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Results for "

penicillin binding proteins

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Penicillin-binding protein (PBP) (56) 5-HT Receptor (4) Antibiotic (74) Bacterial (91) Beta-lactamase (16) Cytochrome P450 (1) Drug Metabolite (6) Endogenous Metabolite (1) ERK (1) Estrogen Receptor/ERR (1) Fluorescent Dye (1) Fungal (1) Glycosidase (1) Histamine Receptor (3) Interleukin Related (8) Isotope-Labeled Compounds (7) MEK (1) NF-κB (7) p38 MAPK (7) Parasite (1) Raf (1) Ras (1) Reference Standards (25) TNF Receptor (7)
By Research Areas:	Cancer (21) Cardiovascular Disease (3) Infection (90) Inflammation/Immunology (5) Metabolic Disease (1) Neurological Disease (4)

By Targets:

Penicillin-binding protein (PBP) (56)

5-HT Receptor (4)

Antibiotic (74)

Bacterial (91)

Beta-lactamase (16)

Cytochrome P450 (1)

Drug Metabolite (6)

Endogenous Metabolite (1)

ERK (1)

Estrogen Receptor/ERR (1)

Fluorescent Dye (1)

Fungal (1)

Glycosidase (1)

Histamine Receptor (3)

Interleukin Related (8)

Isotope-Labeled Compounds (7)

MEK (1)

NF-κB (7)

p38 MAPK (7)

Parasite (1)

Raf (1)

Ras (1)

Reference Standards (25)

TNF Receptor (7)

By Research Areas:

Cancer (21)

Cardiovascular Disease (3)

Infection (90)

Inflammation/Immunology (5)

Metabolic Disease (1)

Neurological Disease (4)

Inhibitors & Agonists

Screening Libraries

Fluorescent Dyes

Peptides

Natural
Products

Isotope-Labeled Compounds

Targets Recommended: Penicillin-binding protein (PBP) Slit Proteins Synaptic Vesicle Proteins Emopamil Binding Protein HSP Cdc42-binding kinase YTHDF FKBP YB-1 ATP-binding cassette (ABC) transporters FABP Oxysterol-binding Protein-related Protein (ORP) Transthyretin (TTR) Ligands for Target Protein for PROTAC SDCBP GHR P-glycoprotein

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-B0974

Methicillin sodium salt 5+ Cited Publications Meticillin sodium	Penicillin-binding protein (PBP) Bacterial Antibiotic	Infection
Methicillin sodium salt (Meticillin sodium) is a β-lactam, semi-synthetic antibiotic related to penicillin antibiotic. Methicillin sodium salt inhibits penicillin-binding proteins involved in the synthesis of peptidoglycan. Methicillin sodium salt inhibits S. aureus with a MIC value of 2.1 μg/mL. Methicillin sodium salt can be used for the research of inflammation .

HY-B0129

Aztreonam Maximum Cited Publications 19 Publications Verification SQ-26,776	Penicillin-binding protein (PBP) Bacterial Antibiotic	Infection Cancer
Aztreonam (SQ-26,776) is a synthetic monocyclic beta-lactam antibiotic, which has a very high affinity for penicillin-binding protein 3 (PBP-3).

HY-120859

Zidebactam 5+ Cited Publications WCK-5107	Beta-lactamase Penicillin-binding protein (PBP) Bacterial	Infection
Zidebactam (WCK-5107) is a potent β-lactamase inhibitor . Zidebactam also is a penicillin-binding protein2 (PBP2) inhibitor with an IC₅₀ of 0.26 μg/mL .

HY-B1923

Piperacillin 10+ Cited Publications Pipracil	Antibiotic Bacterial Beta-lactamase Penicillin-binding protein (PBP)	Infection Cancer
Piperacillin is a semisynthetic broad-spectrum β-lactam antibiotic which exhibits potent bactericidal activity against Gram-negative bacteria as well as select Gram-positive strains through **penicillin-binding proteins**. Piperacillin is most commonly used in combination with the β-lactamase inhibitor Tazobactam .

HY-B0200

Cephalexin 5+ Cited Publications Cefalexin; Cephacillin	Penicillin-binding protein (PBP) Antibiotic Bacterial	Infection Cancer
Cephalexin (Cefalexin) is a potent, orally active semisynthetic cephalosporin antibiotic with a broad antibacterial spectrum. Cephalexin has antibacterial activity against a wide variety of gram-positive and gram-negative bacteria. Cephalexin targets penicillin-binding proteins (PBPs) to inhibit bacterial cell wall assembly. Cephalexin is used for the research of pneumonia, strep throat, and bacterial endocarditis, et al .

HY-B0396

Tebipenem pivoxil L084	Penicillin-binding protein (PBP) Bacterial Antibiotic	Infection
Tebipenem pivoxil (L084) is an orally active antibiotic against a variety of pathogenic bacteria. Tebipenem pivoxil binds penicillin-binding protein (PBP), thereby inhibiting cell wall synthesis .

HY-B0200B

Cephalexin monohydrate 5+ Cited Publications Cefalexin hydrate; Cephacillin hydrate	Penicillin-binding protein (PBP) Antibiotic Bacterial	Infection Cancer
Cephalexin (Cefalexin) monohydrate is a potent, orally active new semisynthetic cephalosporin antibiotic with a broad antibacterial spectrum. Cephalexin (Cefalexin) monohydrate has antibacterial activity against a wide variety of gram-positive and gram-negative bacteria. Cephalexin (Cefalexin) monohydrate targets penicillin-binding proteins (PBPs) to inhibit bacterial cell wall assembly. Cephalexin (Cefalexin) monohydrate is used for the research of pneumonia, strep throat, and bacterial endocarditis, et al .

HY-B1286

Piperacillin sodium 10+ Cited Publications Sodium piperacillin	Bacterial Antibiotic Penicillin-binding protein (PBP)	Infection Cancer
Piperacillin sodium is a semisynthetic broad-spectrum β-lactam antibiotic which exhibits potent bactericidal activity against Gram-negative bacteria as well as select Gram-positive strains through **penicillin-binding proteins**. Piperacillin is most commonly used in combination with the β-lactamase inhibitor Tazobactam .

HY-B0198

Cefaclor 2 Publications Verification	Antibiotic Penicillin-binding protein (PBP) Bacterial 5-HT Receptor	Infection Neurological Disease Inflammation/Immunology
Cefaclor is a well-absorbed orally active cephalosporin antibiotic. Cefaclor can specifically bind to specific for penicillin-binding protein 3 (PBP3). Cefaclor can be used for the research of depression and kinds of infections caused by bacteria, such as respiratory tract infections, bacterial bronchitis, pharyngitis and skin infections .

HY-109008

Nacubactam 2 Publications Verification OP0595 free acid	Beta-lactamase Bacterial	Infection
Nacubactam (OP0595 free acid) is a potent non-β-lactam-β-lactamase inhibitor with activity against class A and C β-lactamases. Nacubactam acts as a penicillin binding protein (PBP) 2-active antibacterial, and gives β-lactamase-independent potentiation of β-lactams targeting other PBPs. Nacubactam potentiates the antimicrobial activities of Piperacillin (HY-B1923), Cefepime (HY-B0692), and Meropenem (HY-13678) against CTX-M-15-positive Escherichia coli and KPC-positive Klebsiella pneumoniae .

HY-126387

Moenomycin complex	Bacterial Antibiotic Penicillin-binding protein (PBP)	Infection
Moenomycin complex is a class of antibacterial agents and PBP inhibitors, with K_d values ranging from 94 nM to 1690 nM against various bacterial PBPs. Moenomycin complex inhibits bacterial growth by blocking the transglycosylase activity of class A penicillin-binding proteins (PBPs). Moenomycin complex is used in the research of bacterial infections .

HY-N6670

Cefotetan	Antibiotic Raf ERK Ras MEK Bacterial	Infection
Cefotetan is a binding agent that targets human Raf1 kinase inhibitor protein (hRKIP). Cefotetan binds to hRKIP, reduces the binding space between hRKIP and Raf1 kinase, relieves hRKIP's inhibition of the Ras/Raf1/MEK/ERK signaling pathway, and enhances ERK phosphorylation. Cefotetan can be used to study diseases associated with dysregulated Ras/Raf1/MEK/ERK signaling pathways. Cefotetan is also a broad-spectrum antibacterial agent that disrupts cell wall synthesis by binding to bacterial penicillin-binding proteins (PBPs). It is used to study bacterial infections such as bone, skin, urinary tract, and lower respiratory tract .

HY-B1325

Cefuroxime axetil	Bacterial Antibiotic	Infection Inflammation/Immunology
Cefuroxime axetil is an orally effective broad-spectrum β-lactam antibiotic that targets bacterial penicillin-binding proteins (PBPs, such as PBP3 and PBP1). Cefuroxime axetil inhibits cell wall synthesis, leading to bacterial lysis and death, with a minimum inhibitory concentration (MIC) of 0.12-4 mg/L for non-typeable Haemophilus influenzae (NTHi). Cefuroxime axetil is hydrolyzed by esterase to the active ingredient Cefuroxime (HY-B1256A) after oral absorption. Topical administration of Cefuroxime via bioadhesive nanoparticles (BNPs) can prolong the drug's retention time in the middle ear (≥7 days). Cefuroxime axetil can be used in the study of otitis media (especially NTHi infection). Cefuroxime axetil can achieve precise antibacterial effects through oral or topical nano-delivery systems, reducing systemic exposure and the risk of antibiotic resistance .

HY-121329

Carumonam AMA-1080; Ro 17-2301	Penicillin-binding protein (PBP) Antibiotic Bacterial	Infection
Carumonam (AMA-1080; Ro 17-2301) is a sulfonated monocyclic β-Lactam Antibiotic, targeting to penicillin-binding protein (PBP). Carumonam exerts highly activity against Enterobacteriaceae, Pseudomonas aeruginosa, and Haemophilus influenzae, while it weakly and even inactively inhibits Streptococcus pneumoniae and Staphylococcus aureus. Carumonam is resistant to beta-lactamase-mediated hydrolysis .

HY-13588

Cefsulodin sodium SCE-129 sodium	Bacterial Antibiotic	Infection
Cefsulodin (SCE-129) sodium is a third generation β lactam antibiotic and member of the cephems subgroup of antibiotics. Cefsulodin sodium inhibits cell wall synthesis by competitively inhibiting **penicillin binding protein (PBP) cross-linking and transpeptidation of peptidogly. Cefsulodin sodium is a potent tyrosine phosphatase inhibitor against mPTPB*, a virulent phosphatase from Mycobacterium tuberculosis, with an IC₅₀* value of 16 μM .

HY-B0200A

Cephalexin hydrochloride 5+ Cited Publications Cefalexin hydrochloride; Cephacillin hydrochloride	Penicillin-binding protein (PBP) Bacterial Antibiotic	Infection Cancer
Cephalexin (Cefalexin) hydrochloride is a potent, orally active new semisynthetic cephalosporin antibiotic with a broad antibacterial spectrum. Cephalexin (Cefalexin) hydrochloride has antibacterial activity against a wide variety of gram-positive and gram-negative bacteria. Cephalexin (Cefalexin) hydrochloride targets penicillin-binding proteins (PBPs) to inhibit bacterial cell wall assembly. Cephalexin (Cefalexin) hydrochloride is used for the research of pneumonia, strep throat, and bacterial endocarditis, et al .

HY-A0111

Cefetamet 1 Publications Verification Ro 15-8074; Deacetoxycefotaxime	Antibiotic Bacterial Penicillin-binding protein (PBP) Drug Metabolite	Infection
Cefetamet (Ro 15-8074) is a cephalosporin antibiotic and the active metabolite of Cefetamet pivoxil (HY-B1894A). Cefetamet binds to bacterial penicillin-binding protein (PBP) (IC₅₀ for PBP3 in Escherichia coli W3110 is 2.5 μg/mL). Cefetamet has significant activity against Gram-negative bacteria such as Enterobacteriaceae, Neisseria species, and Haemophilus influenzae, as well as Gram-positive bacteria such as Streptococcus. Cefetamet kills and lyses Treponema pallidum. Cefetamet can be used in the research of respiratory tract, urinary tract, ear, nose and throat infections, and syphilis .

HY-B1824

Cefpirome sulfate 1 Publications Verification HR-810 sulfate	Bacterial Antibiotic	Infection
Cefpirome (HR-810) sulfate is a cephalosporin antibiotic that can cross cell membranes and the blood-brain barrier. Cefpirome sulfate binds to penicillin-binding proteins with high affinity, thereby inhibiting bacterial cell wall synthesis. Cefpirome sulfate exhibits bactericidal and growth-inhibitory activities against Gram-negative bacteria, Gram-positive bacteria, and susceptible anaerobic bacteria (including some β-lactamase-producing strains) .

HY-153695

TXA707	Bacterial	Infection
TXA707 is an FtsZ-targeting antibacterial agent. TXA707 disrupts bacterial septum formation, induces cell enlargement, causes penicillin-binding protein mislocalization, and triggers cell lysis in Staphylococcus aureus cells. TXA707 can be used for the research of Staphylococcus aureus infections .

HY-B1257

Cefmetazole sodium Sodium cefmetazole	Bacterial Antibiotic	Infection Cancer
Cefmetazole sodium (Sodium cefmetazole) is a semisynthetic cephamycin antibiotic with broad-spectrum antibacterial activity, covering gram-positive, gram-negative, and anaerobic bacteria. Cefmetazole sodium binds to penicillin binding proteins (PBPs), resulting in interfering bacterial cell wall biosynthesis. Cefmetazole sodium is used for the research of gynecologic, intraabdominal, urinary tract, respiratory tract and skin and soft tissue infections .

HY-N7102

Ceftiofur 4 Publications Verification	Antibiotic Bacterial NF-κB p38 MAPK TNF Receptor Interleukin Related	Infection
Ceftiofur is a cell wall synthesis inhibitor that targets bacterial penicillin-binding proteins (PBPs) and has anti-inflammatory effects in endotoxemia. Ceftiofur exerts bactericidal effects by inhibiting the synthesis of bacterial cell wall peptidoglycan, leading to bacterial cell lysis. Ceftiofur also inhibits the activation of NF-κB and MAPKs, thereby reducing the secretion of pro-inflammatory cytokines such as TNF-α, IL-1β, and IL-6 .

HY-B0898

Ceftiofur sodium 4 Publications Verification sodium ceftiofur	Antibiotic Bacterial NF-κB p38 MAPK TNF Receptor Interleukin Related	Infection
Ceftiofur sodium is a cell wall synthesis inhibitor that targets bacterial penicillin-binding proteins (PBPs) and has anti-inflammatory effects in endotoxemia. Ceftiofur sodium exerts bactericidal effects by inhibiting the synthesis of bacterial cell wall peptidoglycan, leading to bacterial cell lysis. Ceftiofur sodium also inhibits the activation of NF-κB and MAPKs, thereby reducing the secretion of pro-inflammatory cytokines such as TNF-α, IL-1β, and IL-6 .

HY-B1275

Cephalothin sodium 3 Publications Verification Cefalotin sodium	Beta-lactamase Bacterial Antibiotic	Infection
Cephalothin (Cephalotin) sodium is a semi-synthetic cephalosporin antibiotic and beta-lactam antibiotic. Cephalothin inhibits class C β-lactamase AmpC, with an K_i of 0.32 µM. Cephalothin sodium binds to **penicillin-binding proteins**, interfering with the cross-linking of peptidoglycan in the cell wall and thus hindering the normal synthesis of the bacterial cell wall. Cephalothin sodium shows antibacterial activity against a variety of bacteria. Cephalothin sodium can be used in hematological and nephrotoxicity studies .

HY-B1275A

Cephalothin 3 Publications Verification Cephalotin	Beta-lactamase Bacterial Antibiotic	Infection Cardiovascular Disease
Cephalothin (Cephalotin) is a semi-synthetic cephalosporin antibiotic and beta-lactam antibiotic. Cephalothin inhibits class C β-lactamase AmpC, with an K_i of 0.32 µM. Cephalothin binds to **penicillin-binding proteins**, interfering with the cross-linking of peptidoglycan in the cell wall and thus hindering the normal synthesis of the bacterial cell wall. Cephalothin shows antibacterial activity against a variety of bacteria. Cephalothin can be used in hematological and nephrotoxicity studies .

HY-159688

Cefditoren 1 Publications Verification	Antibiotic Bacterial Penicillin-binding protein (PBP) Interleukin Related	Infection
Cefditoren is a broad-spectrum oral active cephalosporin that acts as a penicillin-binding protein (PBP) inhibitor. Cefditoren binds to specific PBPs in Gram-positive and Gram-negative bacteria, thereby inhibiting cell wall synthesis. Cefditoren also reduces serum levels of the inflammatory biomarkers IL-6 and KL-6. Cefditoren can be used in research related to acute exacerbation of chronic bronchitis, pharyngitis-tonsillitis, uncomplicated skin and skin structure infections, respiratory tract infections, acute pyelonephritis, and enterococcal endocarditis .

HY-N7101

Cefpodoxime Proxetil U-76,252; CS-807	Bacterial Antibiotic Penicillin-binding protein (PBP)	Infection
Cefpodoxime Proxetil is an orally active broad spectrum third-generation cephalosporin with potent antibacterial activity against both Gram-positive and Gram-negative bacteria including staphylococci, streptococci, Haemophilus influenzae, Neisseria gonorrhoeae, Escherichia coli, Klebsiella pnuemoniae, Citrobacter spp, and Proteus spp. Cefpodoxime Proxetil binds to penicillin binding proteins (PBPs), which inhibits peptidoglycan synthesis, finally results in interfering bacterial cell wall biosynthesis. Cefpodoxime Proxetil can be used against skin structure infections, acute otitis media, pharyngitis, tonsillitis, upper respiratory tract infection, urinary tract infections and sexually transmitted diseases .

HY-B1923R

Piperacillin (Standard) Pipracil (Standard)	Bacterial Reference Standards Antibiotic Beta-lactamase Penicillin-binding protein (PBP)	Infection Cancer
Piperacillin (Standard) is the analytical standard of Piperacillin. This product is intended for research and analytical applications. Piperacillin is a semisynthetic broad-spectrum β-lactam antibiotic which exhibits potent bactericidal activity against Gram-negative bacteria as well as select Gram-positive strains through penicillin-binding proteins. Piperacillin is most commonly used in combination with the β-lactamase inhibitor Tazobactam .

HY-121544

Methicillin	Penicillin-binding protein (PBP) Bacterial Antibiotic Histamine Receptor	Infection
Methicillin is a narrow-spectrum β-lactam antibiotic, acts by inhibiting penicillin-binding proteins (PBPs). Methicillin is active against Staphylococcus aureus and Staphylococcus epidermidis that are resistant to other penicillins.Methicillin can be used for the research of skin infections, osteomyelitis, and endocarditis .

HY-B1596A

Ceftizoxime sodium 1 Publications Verification SKF-88373	Penicillin-binding protein (PBP) Bacterial Antibiotic	Infection
Ceftizoxime sodium (SKF-88373) is third generation cephalosporin effective against Gram-negative and Gram-positive bacteria. It binds penicillin-binding proteins (PBPs) and inhibits the bacterial cell wall synthesis.

HY-B0129S

Aztreonam-d6 SQ-26,776-d₆	Isotope-Labeled Compounds Bacterial Antibiotic	Infection
Aztreonam-d₆ is deuterium labeled Aztreonam. Aztreonam (SQ-26,776) is a synthetic monocyclic beta-lactam antibiotic, which has a very high affinity for penicillin-binding protein 3 (PBP-3).

HY-D0184R

2'-Deoxycytidine (Standard) Deoxycytidine (Standard); Cytosine deoxyriboside (Standard); Deoxyribose cytidine (Standard)	Reference Standards Endogenous Metabolite	Cancer
Cefaclor (monohydrate) (Standard) is the analytical standard of Cefaclor (monohydrate). This product is intended for research and analytical applications. Cefaclor is a well-absorbed orally active cephalosporin antibiotic. Cefaclor can specifically bind to specific for penicillin-binding protein 3 (PBP3). Cefaclor can be used for the research of depression and kinds of infections caused by bacteria, such as respiratory tract infections, bacterial bronchitis, pharyngitis and skin infections .

HY-B0129R

Aztreonam (Standard) SQ-26,776 (Standard)	Penicillin-binding protein (PBP) Reference Standards Bacterial Antibiotic	Infection
Aztreonam (Standard) is the analytical standard of Aztreonam. This product is intended for research and analytical applications. Aztreonam (SQ-26,776) is a synthetic monocyclic beta-lactam antibiotic, which has a very high affinity for penicillin-binding protein 3 (PBP-3).

HY-B1595

Cefmetazole CS 1170	Antibiotic Bacterial	Infection Cancer
Cefmetazole (CS 1170) is a semisynthetic cephamycin antibiotic with broad-spectrum antibacterial activity, covering gram-positive, gram-negative and anaerobic bacteria. Cefmetazole binds to penicillin binding proteins (PBPs), resulting in interfering bacterial cell wall biosynthesis. Cefmetazole is used for the research of gynecologic, intraabdominal, urinary tract, respiratory tract and skin and soft tissue infections .

HY-B1286R

Piperacillin sodium (Standard) Sodium piperacillin (Standard)	Reference Standards Bacterial Antibiotic Penicillin-binding protein (PBP)	Infection
Piperacillin (sodium) (Standard) is the analytical standard of Piperacillin (sodium). This product is intended for research and analytical applications. Piperacillin sodium is a semisynthetic broad-spectrum β-lactam antibiotic which exhibits potent bactericidal activity against Gram-negative bacteria as well as select Gram-positive strains through penicillin-binding proteins. Piperacillin is most commonly used in combination with the β-lactamase inhibitor Tazobactam .

HY-B0200R

Cephalexin (Standard) Cefalexin (Standard); Cephacillin (Standard)	Penicillin-binding protein (PBP) Reference Standards Antibiotic Bacterial	Infection Cancer
Cephalexin (Standard) is the analytical standard of Cephalexin. This product is intended for research and analytical applications. Cephalexin (Cefalexin) is a potent, orally active semisynthetic cephalosporin antibiotic with a broad antibacterial spectrum. Cephalexin has antibacterial activity against a wide variety of gram-positive and gram-negative bacteria. Cephalexin targets penicillin-binding proteins (PBPs) to inhibit bacterial cell wall assembly. Cephalexin is used for the research of pneumonia, strep throat, and bacterial endocarditis, et al .

HY-B0198A

Cefaclor monohydrate 2 Publications Verification	Antibiotic Bacterial Penicillin-binding protein (PBP) 5-HT Receptor	Infection Neurological Disease Inflammation/Immunology
Cefaclor is a well-absorbed orally active cephalosporin antibiotic. Cefaclor can specifically bind to specific for penicillin-binding protein 3 (PBP3). Cefaclor can be used for the research of depression and kinds of infections caused by bacteria, such as respiratory tract infections, bacterial bronchitis, pharyngitis and skin infections .

HY-139744

FPI-1465	Beta-lactamase Penicillin-binding protein (PBP) Bacterial	Infection
FPI-1465 acts a dual inhibitor of serine-β-Lactamases and Penicillin-binding proteins (PBPs).FPI-1465 inhibits PBP2 (IC₅₀=1.0 µg/mL). FPI-1465 exhibits activity against β-lactamase CTX-M-15 and OXA-48 with K_ds of 0.011 and 5.3 µM, respectively .

HY-B0026

Ceftiofur hydrochloride 4 Publications Verification	Antibiotic Bacterial NF-κB p38 MAPK TNF Receptor Interleukin Related	Infection
Ceftiofur hydrochloride is a cell wall synthesis inhibitor that targets bacterial penicillin-binding proteins (PBPs) and has anti-inflammatory effects in endotoxemia. Ceftiofur hydrochloride exerts bactericidal effects by inhibiting the synthesis of bacterial cell wall peptidoglycan, leading to bacterial cell lysis. Ceftiofur hydrochloride also inhibits the activation of NF-κB and MAPKs, thereby reducing the secretion of pro-inflammatory cytokines such as TNF-α, IL-1β, and IL-6 .

HY-W653936

Cephalexin-d5 hydrate	Isotope-Labeled Compounds Bacterial Antibiotic Penicillin-binding protein (PBP)	Cancer
Cephalexin-d₅ (hydrate) is deuterium labeled Cephalexin (monohydrate). Cephalexin (Cefalexin) monohydrate is a potent, orally active new semisynthetic cephalosporin antibiotic with a broad antibacterial spectrum. Cephalexin (Cefalexin) monohydrate has antibacterial activity against a wide variety of gram-positive and gram-negative bacteria. Cephalexin (Cefalexin) monohydrate targets penicillin-binding proteins (PBPs) to inhibit bacterial cell wall assembly. Cephalexin (Cefalexin) monohydrate is used for the research of pneumonia, strep throat, and bacterial endocarditis, et al .

HY-B0898R

Ceftiofur sodium (Standard) sodium ceftiofur (Standard)	Reference Standards Antibiotic Bacterial NF-κB p38 MAPK TNF Receptor Interleukin Related	Infection
Ceftiofur sodium (Standard) is the analytical standard of Ceftiofur sodium (HY-B0898). This product is intended for research and analytical applications. Ceftiofur sodium is a cell wall synthesis inhibitor that targets bacterial penicillin-binding proteins (PBPs) and has anti-inflammatory effects in endotoxemia. Ceftiofur sodium exerts bactericidal effects by inhibiting the synthesis of bacterial cell wall peptidoglycan, leading to bacterial cell lysis. Ceftiofur sodium also inhibits the activation of NF-κB and MAPKs, thereby reducing the secretion of pro-inflammatory cytokines such as TNF-α, IL-1β, and IL-6 .

HY-120859A

Zidebactam sodium salt WCK-5107 sodium salt	Beta-lactamase Penicillin-binding protein (PBP) Bacterial	Infection
Zidebactam sodium salt (WCK-5107 sodium salt) is a potent β-lactamase inhibitor . Zidebactam also is a penicillin-binding protein2 (PBP2) inhibitor with an IC₅₀ of 0.26 μg/mL .

HY-150063

Antibacterial agent 116	Penicillin-binding protein (PBP) Bacterial	Infection
Antibacterial agent 116 is a benzophenone-containing salicylanilide compound. Antibacterial agent 116 has potent antibacterial activity by inhibiting the peptidoglycan formation. Antibacterial agent 116 is used as a photoaffinity probe to label Acinetobacter baumannii **penicillin-binding protein (PBP1b**), block the propagation pathway to disrupt the growth of peptidoglycan chain .

HY-B0200C

Cephalexin hydrochloride monohydrate Cefalexin hydrochloride monohydrate; Cephacillin hydrochloride monohydrate	Penicillin-binding protein (PBP) Antibiotic Bacterial	Infection Cancer
Cephalexin (Cefalexin) hydrochloride monohydrate is a potent, orally active new semisynthetic cephalosporin antibiotic with a broad antibacterial spectrum. Cephalexin (Cefalexin) hydrochloride monohydrate has antibacterial activity against a wide variety of gram-positive and gram-negative bacteria. Cephalexin (Cefalexin) hydrochloride monohydrate targets penicillin-binding proteins (PBPs) to inhibit bacterial cell wall assembly. Cephalexin (Cefalexin) hydrochloride monohydrate is used for the research of pneumonia, strep throat, and bacterial endocarditis, et al .

HY-B0200D

Cephalexin (lysine) Cefalexin (lysine); Cephacillin (lysine)	Penicillin-binding protein (PBP) Bacterial Antibiotic	Infection Cancer
Cephalexin (Cefalexin) lysine is a potent, orally active new semisynthetic cephalosporin antibiotic with a broad antibacterial spectrum. Cephalexin lysine has antibacterial activity against a wide variety of gram-positive and gram-negative bacteria. Cephalexin lysine targets penicillin-binding proteins (PBPs) to inhibit bacterial cell wall assembly. Cephalexin lysine is used for the research of pneumonia, strep throat, and bacterial endocarditis, et al .

HY-B1824R

Cefpirome sulfate (Standard) HR-810 sulfate (Standard)	Reference Standards Antibiotic Bacterial	Infection
Cefpirome (HR-810) sulfate (Standard) is the analytical standard of Cefpirome sulfate. This product is intended for research and analytical applications. Cefpirome sulfate is a cephalosporin antibiotic that can cross cell membranes and the blood-brain barrier. Cefpirome sulfate binds to penicillin-binding proteins with high affinity, thereby inhibiting bacterial cell wall synthesis. Cefpirome sulfate exhibits bactericidal and growth-inhibitory activities against Gram-negative bacteria, Gram-positive bacteria, and susceptible anaerobic bacteria (including some β-lactamase-producing strains).

HY-U00380

Tigemonam	Antibiotic Beta-lactamase Bacterial	Infection
Tigemonam is an orally active monobactam antibiotic with a K_i of 0.86 μM against Enterobacter cloacae P99 β-lactamase and 50.8 μM against Escherichia coli TEM-1 β-lactamase. Tigemonam binds to penicillin-binding proteins 1a, 3, and 4, inhibits bacterial cell wall synthesis, and exhibits bactericidal activity against aerobic gram-negative bacteria including Enterobacteriaceae, Haemophilus influenzae, and Neisseria gonorrhoeae. Tigemonam resists hydrolysis by multiple β-lactamase enzymes, reduces bacterial load in systemic, pyelonephritic, lung, and thigh muscle infections in rodents, and shows minimal difference between minimum inhibitory and bactericidal concentrations. Tigemonam can be used for the research of gram-negative bacterial infections, acute pyelonephritis, lung infection, and thigh muscle infection .

HY-121544A

Methicillin sodium hydrate	Penicillin-binding protein (PBP) Bacterial Antibiotic Histamine Receptor	Infection
Methicillin sodium hydrate is a narrow-spectrum β-lactam antibiotic, acts by inhibiting penicillin-binding proteins (PBPs). Methicillin sodium hydrate is active against Staphylococcus aureus and Staphylococcus epidermidis that are resistant to other penicillins. Methicillin sodium hydrate can be used for the research of skin infections, osteomyelitis, and endocarditis .

HY-B0396A

Tebipenem pivoxil hydrochloride L084 hydrochloride	Penicillin-binding protein (PBP) Bacterial Antibiotic	Infection
Tebipenem pivoxil (L084) hydrochloride is an orally active antibiotic against a variety of pathogenic bacteria. Tebipenem pivoxil hydrochloride binds penicillin-binding protein (PBP), thereby inhibiting cell wall synthesis .

HY-114780

Lactivicin	Penicillin-binding protein (PBP) Bacterial	Infection
Lactivicin is a non-beta-lactam antibiotic showing beta-lactam action through binding to penicillin-binding protein (PBP). Lactivicin is moderately active against a wide range of Gram-negative bacteria and highly active against Gram-positive bacteria .

HY-129949

Aztreonam (lysine)	Antibiotic Bacterial	Infection Cancer
Aztreonam (lysine) is a monocyclic beta-lactam antibiotic, and has a very high affinity for penicillin-binding protein 3 (PBP-3). Aztreonam (lysine) is active against Gram-negative aerobic bacteria .

Cat. No.	Product Name

HY-L914

Serine/Threonine Focused Covalent Fragment Library

3,208 compounds

In the research of covalent inhibitors targeting serine and threonine, scientists have found that the nucleophilicity of these hydroxyl groups is significantly enhanced due to the influence of their surrounding environment. This results in higher activity during catalytic reactions. Aspirin, which targets the non-catalytic domain serine (Ser529 in human COX1) of cyclooxygenase, exerts its anti-inflammatory effect through covalent binding. β-lactam antibiotics, which targets the catalytic domain serine of penicillin-binding proteins, interferes with bacterial cell wall synthesis.

Through careful selection, we constructed a structural filter containing over 110 electrophilic groups. By analyzing the electrophilic fragments selected by the structural filter, we removed any molecules with trivial or undesirable structural features. Ultimately, we obtained 3,300 fragment molecules which can target serine and threonine residues and can be used for fragment-based covalent drug discovery.

Cat. No.	Product Name	Type

HY-D3390

sCy5DA	Fluorescent Dyes
sCy5DA is a is a fluorescent D-amino acid . sCy5DA incorporates into bacterial peptidoglycan layers and cross-links via transpeptidase action, replacing peptidoglycan stem peptide D-amino acids. sCy5DA labels live bacterial cell walls, nascent peptidoglycan biosynthesis sites, and diverse bacterial species including Gram-negative, Gram-positive, and mycobacteria (Ex/Em = 646/665 nm) .

HY-D1737

RADA

Fluorescent Dyes

RADA is a fluorescent D-amino acid (FDAA) with high photostability and thermostability, which emits yellow-to-orange fluorescence. RADA shows low outer membrane permeability in wild-type Gram-negative Escherichia coli, but it targets penicillin-binding proteins and L,D-transpeptidases, mimics the interaction between acyl acceptors and enzyme intermediates, and integrates into peptidoglycan during biosynthesis. As a peptidoglycan labeling reagent, RADA metabolically integrates into the nascent peptidoglycan of live bacterial cells, labels the peptidoglycan at the poles and lateral walls of mycobacteria, and enables visualization of peptidoglycan synthesis and remodeling processes. RADA serves as a non-specific stain for fixed cells, is non-toxic to bacterial cells, and its red-shifted excitation/emission spectra reduce phototoxicity. RADA also supports virtual pulse-chase labeling experiments and stochastic optical reconstruction microscopy for sub-diffraction-limited imaging of bacterial cell walls .

Cat. No.	Product Name	Target	Research Area

HY-P4508

SIGSLAK	Peptides	Others
SIGSLAK has the active site of E. coli penicillin-binding protein 1b .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-D0184R

2'-Deoxycytidine (Standard) Deoxycytidine (Standard); Cytosine deoxyriboside (Standard); Deoxyribose cytidine (Standard)	Structural Classification Natural Products Microorganisms Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
Cefaclor (monohydrate) (Standard) is the analytical standard of Cefaclor (monohydrate). This product is intended for research and analytical applications. Cefaclor is a well-absorbed orally active cephalosporin antibiotic. Cefaclor can specifically bind to specific for penicillin-binding protein 3 (PBP3). Cefaclor can be used for the research of depression and kinds of infections caused by bacteria, such as respiratory tract infections, bacterial bronchitis, pharyngitis and skin infections .

Cat. No.	Product Name	Chemical Structure

HY-B0129S

Aztreonam-d6
Aztreonam-d₆ is deuterium labeled Aztreonam. Aztreonam (SQ-26,776) is a synthetic monocyclic beta-lactam antibiotic, which has a very high affinity for penicillin-binding protein 3 (PBP-3).

HY-W653936

Cephalexin-d5 hydrate

Cephalexin-d₅ (hydrate) is deuterium labeled Cephalexin (monohydrate). Cephalexin (Cefalexin) monohydrate is a potent, orally active new semisynthetic cephalosporin antibiotic with a broad antibacterial spectrum. Cephalexin (Cefalexin) monohydrate has antibacterial activity against a wide variety of gram-positive and gram-negative bacteria. Cephalexin (Cefalexin) monohydrate targets penicillin-binding proteins (PBPs) to inhibit bacterial cell wall assembly. Cephalexin (Cefalexin) monohydrate is used for the research of pneumonia, strep throat, and bacterial endocarditis, et al .

HY-B0898S

Ceftiofur-d3 sodium

Ceftiofur-d₃ sodium is deuterium labeled Ceftiofur sodium (HY-B0898). Ceftiofur sodium is a cell wall synthesis inhibitor that targets bacterial penicillin-binding proteins (PBPs) and has anti-inflammatory effects in endotoxemia. Ceftiofur sodium exerts bactericidal effects by inhibiting the synthesis of bacterial cell wall peptidoglycan, leading to bacterial cell lysis. Ceftiofur sodium also inhibits the activation of NF-κB and MAPKs, thereby reducing the secretion of pro-inflammatory cytokines such as TNF-α, IL-1β, and IL-6 .

HY-W743473

Cefetamet-d3

Cefetamet-d₃ (Ro 15-8074-d₃; Deacetoxycefotaxime-d₃) is the deuterium labeled Cefetamet (HY-A0111). Cefetamet (Ro 15-8074) is a cephalosporin antibiotic and the active metabolite of Cefetamet pivoxil (HY-B1894A). Cefetamet binds to bacterial penicillin-binding protein (PBP) (IC₅₀ for PBP3 in Escherichia coli W3110 is 2.5 μg/mL). Cefetamet has significant activity against Gram-negative bacteria such as Enterobacteriaceae, Neisseria species, and Haemophilus influenzae, as well as Gram-positive bacteria such as Streptococcus. Cefetamet kills and lyses Treponema pallidum. Cefetamet can be used in the research of respiratory tract, urinary tract, ear, nose and throat infections, and syphilis .

HY-B0198S

Cefaclor-d5
Cefaclor-d₅ is the deuterium labeled Cefaclor. Cefaclor is an effective antibiotic agent, and specifically binds to penicillin-binding protein 3 (PBP 3) .

HY-N7101S1

Cefpodoxime Proxetil-d6

Cefpodoxime Proxetil-d₆ (U-76,252-d₆) is deuterium labeled Cefpodoxime Proxetil. Cefpodoxime proxetil is an orally administered broad spectrum third-generation cephalosporin. Cefpodoxime proxetil has anti-bacterial activity. Cefpodoxime proxetil binds to penicillin binding proteins (PBPs) which inhibits peptidoglycan synthesis, finally results in interfering bacterial cell wall biosynthesis .

HY-N7101S

Cefpodoxime proxetil-d7

Cefpodoxime proxetil-d7 (U-76-d7,252-d7; CS-807-d7) is the deuterium labeled Cefpodoxime Proxetil (HY-N7101). Cefpodoxime Proxetil is an orally active broad spectrum third-generation cephalosporin with potent antibacterial activity against both Gram-positive and Gram-negative bacteria including staphylococci, streptococci, Haemophilus influenzae, Neisseria gonorrhoeae, Escherichia coli, Klebsiella pnuemoniae, Citrobacter spp, and Proteus spp. Cefpodoxime Proxetil binds to penicillin binding proteins (PBPs), which inhibits peptidoglycan synthesis, finally results in interfering bacterial cell wall biosynthesis. Cefpodoxime Proxetil can be used against skin structure infections, acute otitis media, pharyngitis, tonsillitis, upper respiratory tract infection, urinary tract infections and sexually transmitted diseases .

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penicillin binding proteins

Inhibitors & Agonists

Screening Libraries

Fluorescent Dyes

Peptides

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Isotope-Labeled Compounds

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