papain

By Targets:	Apoptosis (1) Autophagy (2) Bacterial (2) Cathepsin (4) Deubiquitinase (2) DNA Methyltransferase (1) Elastase (2) Endogenous Metabolite (2) Fluorescent Dye (3) HIF/HIF Prolyl-Hydroxylase (1) SARS-CoV (12)
By Research Areas:	Cancer (3) Infection (14) Inflammation/Immunology (4) Metabolic Disease (1) Neurological Disease (1)

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-P1645

*Papain* 5+ Cited Publications	Cathepsin	Inflammation/Immunology
Papain is a cysteine protease of the peptidase C1 family, which is used in food, pharmaceutical, textile, and cosmetic industries.

HY-134435

Z-Arg-AMC hydrochloride	Fluorescent Dye	Others
Z-Arg-AMC hydrochloride is a fluorogenic substrate for trypsin and papain. Z-Arg-AMC hydrochloride can be used to research activity of trypsin (Ex/Em=355/460 nm) .

HY-W790014

Z-FG-NHO-BzOME

Cathepsin Infection

Z-FG-NHO-BzOME is a cysteine protease inhibitor that selectively inhibits cathepsin B, cathepsin L, cathepsin S, and papain .

Z-FG-NHO-BzOME	Cathepsin	Infection
Z-FG-NHO-BzOME is a cysteine protease inhibitor that selectively inhibits cathepsin B, cathepsin L, cathepsin S, and papain .

HY-P1315

Papain inhibitor Glycylglycyl-L-tyrosyl-L-arginine	Cathepsin	Others
Papain inhibitor (Glycylglycyl-L-tyrosyl-L-arginine) acts as an effective competitive inhibitor to *papain, with a K_i* of 9 μM at pH 6.2 .

HY-124556

Elasnin	Elastase	Inflammation/Immunology
Elasnin is a selective granulocyte elastase inhibitor. Elasnin is almost ineffective for pancreatic elastase, trypsin, chymotrypsin, thermolysin and papain .

HY-15282

E-64 Maximum Cited Publications 10 Publications Verification Proteinase inhibitor E 64	Cathepsin Autophagy Bacterial	Inflammation/Immunology Cancer
E-64 (Proteinase inhibitor E 64) is a potent irreversible inhibitor against general cysteine proteases with IC₅₀ of 9 nM for *papain*.

HY-150784

XR8-89	SARS-CoV	Infection
XR8-89 is a potent papain-like protease (PL ^pro) inhibitor with an IC₅₀ value of 0.1 μM. XR8-89 induces conformational changes in SARS-COV-2 papain-like protease, inhibiting SARS-CoV-2 replication. XR8-89 can be used for SARS-CoV-2 research .

HY-150786

PLP_Snyder530	SARS-CoV	Infection
PLP_Snyder530 is a potent papain-like protease (PL ^pro) inhibitor with an IC₅₀ value of 6.4 μM. PLP_Snyder530 induces conformational changes in SARS-COV-2 papain-like protease, inhibiting SARS-CoV-2 replication. PLP_Snyder530 can be used for SARS-CoV-2 research .

HY-150783

SARS-CoV-2-IN-24	SARS-CoV	Infection
SARS-CoV-2-IN-24 (compound 7) is a potent papain-like protease (PL ^pro) inhibitor. SARS-CoV-2-IN-24 induces conformational changes in SARS-COV-2 papain-like protease, inhibiting SARS-CoV-2 replication. SARS-CoV-2-IN-24 can be used for SARS-CoV-2 research .

HY-161365

PLpro-IN-2

SARS-CoV Infection

PLpro-IN-2 (Compound 16) is an inhibitor for SARS-CoV-2 papain-like protease (PLpro), with an IC₅₀ of 0.25 μM .
HY-150789

SARS-CoV-2-IN-23

SARS-CoV Infection

SARS-CoV-2-IN-23 (compound GRL-0617) is a SARS-COV-2 papain-like protease (PLpro) inhibitor with an IC₅₀ value of 2.3 μM .

PLpro-IN-2	SARS-CoV	Infection
PLpro-IN-2 (Compound 16) is an inhibitor for SARS-CoV-2 papain-like protease (PLpro), with an IC₅₀ of 0.25 μM .

SARS-CoV-2-IN-23	SARS-CoV	Infection
SARS-CoV-2-IN-23 (compound GRL-0617) is a SARS-COV-2 papain-like protease (PLpro) inhibitor with an IC₅₀ value of 2.3 μM .

HY-157439

SARS-CoV-2-IN-72	SARS-CoV	Infection
SARS-CoV-2-IN-72 (compound 12) is a potent allosteric inhibitor of the SARS-COV-2 papain-like protease domain that can trigger the degradation of NSP3 .

HY-N1910

4'-O-Methylbavachalcone 1 Publications Verification
4'-O-Methylbavachalcone is a chalcone isolated from Psoralea corylifolia, inhibits severe acute respiratory syndrome coronavirus (SARS-CoV) papain-like protease (PLpro) activity, with an IC₅₀ of 10.1 μM .

HY-17542

PLpro inhibitor 5+ Cited Publications	SARS-CoV	Infection
PLpro inhibitor is a potent inhibitor of papain-like protease (PLpro) with an IC₅₀ of 2.6 µM . PLpro inhibitor inhibits SARS-CoV-2 PLpro with an IC₅₀ of 5.0 µM and an EC₅₀ of 21.0 µM .

HY-D1092

DiBAC4(5)	Fluorescent Dye	Neurological Disease
DiBaC4(5) is a fluorescent voltage-sensitive dye that can be used to monitor the transmembrane potentials when Papain-dissociated retinal cells from adult zebrafish were exposed to GABAergic ligands. DiBaC4(5) is a potential-sensitive fluorescence dye .

HY-126988

SP-Chymostatin B α-MAPI	Elastase	Others
SP-Chymostatin B (α-MAPI) is a strong inhibitor of many proteases, including chymotrypsin, papain, chymotrypsin-like serine proteinases, chymases, and lysosomal cysteine proteinases such as cathepsins A,B,C, H, and L. SP-Chymostatin B weakly inhibits human leucocyte elastase .

HY-157403

Jun12682	SARS-CoV	Infection
Jun12682 is an inhibitor of SARS-CoV-2 papain-like protease. Jun12682 inhibits PL ^pro with a K_i value of 37.7 nM. Jun12682 has EC₅₀ value of 1.1 μM in the FlipGFP PL ^pro assay. Jun12682 has orally activity .

HY-P2296

Abz-FRLKGGAPIKGV-EDDNP TFA	Fluorescent Dye	Others
Abz-FRLKGGAPIKGV-EDDNP TFA is a fluorogenic substrate used to measure the enzymatic activities of protease forms, such as papain-like protease 2 (PLP2) from severe acute respiratory syndrome coronavirus (SARS-CoV). Abz-FRLKGGAPIKGV-EDDNP TFA has the potential for study 2019-nCoV (COVID-19) infection .

HY-13765

6-Thioguanine 5+ Cited Publications Thioguanine; 2-Amino-6-purinethiol	SARS-CoV Deubiquitinase DNA Methyltransferase Autophagy Apoptosis Endogenous Metabolite	Infection Inflammation/Immunology Cancer
6-Thioguanine (Thioguanine; 2-Amino-6-purinethiol) is an anti-leukemia and immunosuppressant agent, acts as an inhibitor of SARS and MERS coronavirus papain-like proteases (PLpros) and also potently inhibits USP2 activity, with IC₅₀s of 25 μM and 40 μM for Plpros and recombinant human USP2, respectively.

HY-117043

GRL0617 5+ Cited Publications	Deubiquitinase SARS-CoV	Infection
GRL0617 is a selective and competitive noncovalent inhibitor of *severe acute respiratory syndrome (SARS-CoV) papain-like protease (PLpro), with an IC₅₀* of 0.6 μM and a Ki value of 0.49 μM. GRL0617 also inhibits SARS-CoV with an EC₅₀ of 14.5 μM. GRL0617 can be used for the research of severe acute respiratory syndrome .

HY-W088075

Acriflavine hydrochloride 4 Publications Verification Acriflavinium chloride hydrochloride	HIF/HIF Prolyl-Hydroxylase Bacterial SARS-CoV	Infection Cancer
Acriflavine hydrochloride (Acriflavinium chloride hydrochloride) is a fluorescent acridine dye that can be used to label nucleic acid . Acriflavine hydrochloride is an antiseptic. Acriflavine hydrochloride is a potent HIF-1 inhibitor, with antitumor activity. Acriflavine hydrochloride has antimicrobial and antiviral activities . Acriflavine hydrochloride is a potent papain-like protease (PL ^pro) inhibitor, which inhibits SARS-CoV-2

HY-157145

SARS-CoV-2-IN-69	SARS-CoV	Infection
SARS-CoV-2-IN-69 (Compound 7E) is a non-covalent SARS-CoV-2 inhibitor with an EC₅₀ value of 7.4 μM. SARS-CoV-2-IN-69 is a potent inhibitor of SARS-CoV-2 main protease (M ^pro) and a non-covalent inhibitor of papain (PL ^pro) .

HY-E70018

Picornain 3C	Endogenous Metabolite	Infection Metabolic Disease
Picornain 3C is a protease found in picornaviruses, which cleaves peptide bonds of non-terminal sequences. Picornain 3C is an intermediate between the serine peptidase chymotrypsin and the cysteine peptidase papain. Picornain 3C shows endopeptidase activity by selectively cleaving Gln-Gly bonds in the polyprotein of poliovirus and with substitution of Glu for Gln, and Ser or Thr for Gly in other picornaviruses .

Cat. No.	Product Name	Type

HY-134435

Z-Arg-AMC hydrochloride	Fluorescent Dyes/Probes
Z-Arg-AMC hydrochloride is a fluorogenic substrate for trypsin and papain. Z-Arg-AMC hydrochloride can be used to research activity of trypsin (Ex/Em=355/460 nm) .

HY-D1092

DiBAC4(5)	Fluorescent Dyes/Probes
DiBaC4(5) is a fluorescent voltage-sensitive dye that can be used to monitor the transmembrane potentials when Papain-dissociated retinal cells from adult zebrafish were exposed to GABAergic ligands. DiBaC4(5) is a potential-sensitive fluorescence dye .

Cat. No.	Product Name	Type

HY-E70018

Picornain 3C	Biochemical Assay Reagents
Picornain 3C is a protease found in picornaviruses, which cleaves peptide bonds of non-terminal sequences. Picornain 3C is an intermediate between the serine peptidase chymotrypsin and the cysteine peptidase papain. Picornain 3C shows endopeptidase activity by selectively cleaving Gln-Gly bonds in the polyprotein of poliovirus and with substitution of Glu for Gln, and Ser or Thr for Gly in other picornaviruses .

Picornain 3C

Biochemical Assay Reagents

Picornain 3C is a protease found in picornaviruses, which cleaves peptide bonds of non-terminal sequences. Picornain 3C is an intermediate between the serine peptidase chymotrypsin and the cysteine peptidase papain. Picornain 3C shows endopeptidase activity by selectively cleaving Gln-Gly bonds in the polyprotein of poliovirus and with substitution of Glu for Gln, and Ser or Thr for Gly in other picornaviruses .

Cat. No.	Product Name	Target	Research Area

HY-W790014

Z-FG-NHO-BzOME

Cathepsin Infection

Z-FG-NHO-BzOME is a cysteine protease inhibitor that selectively inhibits cathepsin B, cathepsin L, cathepsin S, and papain .

Z-FG-NHO-BzOME	Cathepsin	Infection
Z-FG-NHO-BzOME is a cysteine protease inhibitor that selectively inhibits cathepsin B, cathepsin L, cathepsin S, and papain .

HY-P1315

Papain inhibitor Glycylglycyl-L-tyrosyl-L-arginine	Cathepsin	Others
Papain inhibitor (Glycylglycyl-L-tyrosyl-L-arginine) acts as an effective competitive inhibitor to *papain, with a K_i* of 9 μM at pH 6.2 .

HY-P4310

Boc-Val-Leu-Lys-AMC	Peptides	Others
Boc-Val-Leu-Lys-AMC is a sensitive, fluorogenic, and specific substrate of plasmin, as well as acrosin from the ascidian Halocynthia roretzi, porcine calpain isozymes I and II, and papain .

HY-P2296

Abz-FRLKGGAPIKGV-EDDNP TFA	Fluorescent Dye	Others
Abz-FRLKGGAPIKGV-EDDNP TFA is a fluorogenic substrate used to measure the enzymatic activities of protease forms, such as papain-like protease 2 (PLP2) from severe acute respiratory syndrome coronavirus (SARS-CoV). Abz-FRLKGGAPIKGV-EDDNP TFA has the potential for study 2019-nCoV (COVID-19) infection .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-P1645

*Papain* 5+ Cited Publications	Carica papaya L. Structural Classification Natural Products Classification of Application Fields Source classification Caricaceae Plants Inflammation/Immunology Disease Research Fields	Cathepsin
Papain is a cysteine protease of the peptidase C1 family, which is used in food, pharmaceutical, textile, and cosmetic industries.

HY-13765

6-Thioguanine 5+ Cited Publications Thioguanine; 2-Amino-6-purinethiol	Infection Structural Classification Natural Products Classification of Application Fields Source classification Endogenous metabolite Inflammation/Immunology Disease Research Fields Cancer	SARS-CoV Deubiquitinase DNA Methyltransferase Autophagy Apoptosis Endogenous Metabolite
6-Thioguanine (Thioguanine; 2-Amino-6-purinethiol) is an anti-leukemia and immunosuppressant agent, acts as an inhibitor of SARS and MERS coronavirus papain-like proteases (PLpros) and also potently inhibits USP2 activity, with IC₅₀s of 25 μM and 40 μM for Plpros and recombinant human USP2, respectively.

Species:	Virus (5)
Tag:	His (4) Tag Free (1) Avi (1)
Source:	E. coli Cell-free (1) E. coli (4)

Cat. No.	Compare	Product Name	Species	Source

HY-P70122

	SARS-CoV-2 PLpro Protein 1 Publications Verification rReplicase polyprotein 1ab/2019-nCoV papain-Like Protease; papain-like Protease; PLpro; PL-PRO; pp1a; Replicase polyprotein 1a	Virus	E. coli
	The multifunctional SARS-CoV-2 PP1ab protein is essential for viral RNA transcription and replication, utilizing proteases for multi-protein cleavage. It inhibits host translation by binding to the 40S subunit and blocks ribosomal mRNA entry channels, thereby hindering the antiviral response. SARS-CoV-2 PLpro Protein is the recombinant Virus-derived SARS-CoV-2 PLpro protein, expressed by E. coli , with tag free. The total length of SARS-CoV-2 PLpro Protein is 315 a.a., with molecular weight of ~34.0 kDa.

HY-P74581

	*SARS-CoV Plpro/papain-like protease Protein (His)* SARS-CoV (strain WH20) Plpro / papain-like protease	Virus	E. coli
	SARS CoV ORF1ab polyprotein (PP1ab) is a 7073 residues long polyprotein which further produces 5 non-structural proteins (NSPs) after processing through virally encoded proteases (NSP12-NSP16). All these 5 proteins are mainly involved in viral replication, assembly, and immune response modulation. SARS-CoV Plpro/papain-like protease Protein (His) is the recombinant Virus-derived SARS-CoV Plpro/papain-like protease protein, expressed by E. coli , with C-His labeled tag. The total length of SARS-CoV Plpro/papain-like protease Protein (His) is 319 a.a., with molecular weight of ~36.91 kDa.

HY-P77831

	*SARS Plpro/papain-like protease Protein (His-Avi)* Replicase polyprotein 1a; pp1a; nsp1; PL2-PRO; PL-PRO; papain-like Protease; Plpro	Virus	E. coli
	The multifunctional SARS Plpro/papain-like protease protein utilizes essential proteases for multi-protein cleavage to strategically coordinate viral RNA transcription and replication. It blocks host translation by interacting with the 40S ribosomal subunit, causing endonucleolytic cleavage near the 5'UTR of host mRNAs, thereby targeting them for degradation. SARS Plpro/papain-like protease Protein (His-Avi) is the recombinant Virus-derived SARS Plpro/papain-like protease protein, expressed by E. coli , with N-His, N-Avi labeled tag. The total length of SARS Plpro/papain-like protease Protein (His-Avi) is 314 a.a., with molecular weight of ~38.6 kDa.

HY-P702421

	Replicase 1AB polyprotein Protein, SARS-CoV (Cell-Free, His) Growth factor-like peptide; Leader protein; Non-structural protein 10; Non-structural protein 2; Non-structural protein 3; Non-structural protein 4; Non-structural protein 6; Non-structural protein 7; Non-structural protein 8; Non-structural protein 9; papain-like proteinase; p65 homolog	Virus	E. coli Cell-free

HY-P76021

	*SARS-CoV-2 Plpro/Papain-like protease Protein (His)* SARS-CoV-2 (2019-nCoV) Plpro/papain-like protease-His Protein	Virus	E. coli
	SARS-CoV-2 NSP3 (NSP3) is one of non-structure protein that binds to viral RNA, nucleocapsid protein, as well as other viral proteins, and contributes in polyprotein processing. NSP3 has also an important role in innate immune response antagonism and is responsible for release of NSP1, NSP2, and NSP3 from the N-terminal region of pp1a and pp1ab. SARS-CoV-2 Plpro/Papain-like protease Protein (His) is the recombinant Virus-derived SARS-CoV-2 Plpro/Papain-like protease protein, expressed by E. coli , with N-His labeled tag. The total length of SARS-CoV-2 Plpro/Papain-like protease Protein (His) is 317 a.a., with molecular weight of ~36.79 kDa.


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papain

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