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Cys320

" in MedChemExpress (MCE) Product Catalog:

By Targets:	5-HT Receptor (1) Adrenergic Receptor (2) Aldehyde Dehydrogenase (ALDH) (2) Androgen Receptor (1) Antibiotic (1) Apoptosis (5) Bacterial (7) Biochemical Assay Reagents (2) Calcium Channel (8) CGRP Receptor (1) DNA/RNA Synthesis (1) Elastase (2) Endogenous Metabolite (2) Endothelin Receptor (12) Ephrin Receptor (1) Factor Xa (1) Fluorescent Dye (1) Fungal (4) GABA Receptor (2) Histamine Receptor (1) Histone Demethylase (1) Integrin (2) Kallikrein (2) mAChR (2) Melanocortin Receptor (2) nAChR (2) P2X Receptor (1) PACAP Receptor (1) Potassium Channel (14) SARS-CoV (1) Sodium Channel (5) Somatostatin Receptor (1) Vasopressin Receptor (2) Virus Protease (1)
By Research Areas:	Cancer (13) Cardiovascular Disease (18) Endocrinology (4) Infection (9) Inflammation/Immunology (14) Metabolic Disease (4) Neurological Disease (28)

By Targets:

5-HT Receptor (1)

Adrenergic Receptor (2)

Aldehyde Dehydrogenase (ALDH) (2)

Androgen Receptor (1)

Antibiotic (1)

Apoptosis (5)

Bacterial (7)

Biochemical Assay Reagents (2)

Calcium Channel (8)

CGRP Receptor (1)

DNA/RNA Synthesis (1)

Elastase (2)

Endogenous Metabolite (2)

Endothelin Receptor (12)

Ephrin Receptor (1)

Factor Xa (1)

Fluorescent Dye (1)

Fungal (4)

GABA Receptor (2)

Histamine Receptor (1)

Histone Demethylase (1)

Integrin (2)

Kallikrein (2)

mAChR (2)

Melanocortin Receptor (2)

nAChR (2)

P2X Receptor (1)

PACAP Receptor (1)

Potassium Channel (14)

SARS-CoV (1)

Sodium Channel (5)

Somatostatin Receptor (1)

Vasopressin Receptor (2)

Virus Protease (1)

By Research Areas:

Cancer (13)

Cardiovascular Disease (18)

Endocrinology (4)

Infection (9)

Inflammation/Immunology (14)

Metabolic Disease (4)

Neurological Disease (28)

Inhibitors & Agonists

Peptides

Natural
Products

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-P0202

Endothelin 1 (swine, human) 5+ Cited Publications ET-1 (swine, human)	Endothelin Receptor	Metabolic Disease Inflammation/Immunology
Endothelin 1 (swine, human) (ET-1) is a synthetic peptide with the sequence of human and swine Endothelin 1, which is a potent endogenous vasoconstrictor. Endothelin 1 acts through two types of receptors ET_A and ET_B .

HY-P1264

α-Bungarotoxin 5+ Cited Publications	nAChR	Neurological Disease
α-Bungarotoxin is a competitive antagonist at nicotinic acetylcholine receptors (nAChRs). α-Bungarotoxin, a selective α7 receptor blocker, blocks α7 currents with an IC₅₀ of 1.6 nM and has no effects on α3β4 currents at concentrations up to 3 μM .

HY-P0028

Phalloidin Maximum Cited Publications 23 Publications Verification	Fluorescent Dye	Others
Phalloidin is a mushroom-derived toxin which can be used to label F-actin of the cytoskeleton with fluorochrome .

HY-P0084

Cyclic somatostatin SRIF-14; Somatostatin-14	Endogenous Metabolite	Cardiovascular Disease Neurological Disease
Cyclic somatostatin (SRIF-14) is a growth hormone-release inhibiting factor used in the research of severe, acute hemorrhages of gastroduodenal ulcers. Cyclic somatostatin is a neuropeptide co-stored with acetylcholine in the cardiac parasympathetic innervation, exerts influences directly on contraction of ventricular cardiomyocytes. Cyclic somatostatin inhibits the contractile response of isoprenaline with an IC₅₀ value of 13 nM. Cyclic somatostatin can be used for the research of cardiovascular disease .

HY-P0204A

Endothelin-3, human, mouse, rabbit, rat TFA 1 Publications Verification Endothelin 3 (Rat,Human) TFA	Endothelin Receptor Integrin	Neurological Disease
Endothelin-3, human, mouse, rabbit, rat TFA (Endothelin 3 (Rat,Human) TFA) is an adhesion stimulant. Endothelin-3, human, mouse, rabbit, rat TFA stimulates the adhesion of enteric neural crest cells to various ECM components. Endothelin-3, human, mouse, rabbit, rat TFA plays an important role in the maintenance and self-renewal of intestinal progenitor cells, participates in the migration of enteric neural crest cells, and helps maintain a suitable environment for the colonization of enteric neural crest cells. Endothelin-3, human, mouse, rabbit, rat TFA acts synergistically with the β1-integrin signaling pathway during enteric nervous system development. Endothelin-3, human, mouse, rabbit, rat TFA can be used in studies related to distal aganglionosis .

HY-P1275

Tertiapin-Q 3 Publications Verification	Potassium Channel	Cardiovascular Disease
Tertiapin-Q is a highly selective blocker of GIRK1/4 heterodimer and ROMK1 (Kir_1.1).

HY-P1264F

α-Bungarotoxin, FITC labeled	nAChR	Neurological Disease
FITC-labeled α-Bungarotoxin is FITC-conjugated α-Bungarotoxin (HY-P1264). α-Bungarotoxin acts as a competitive antagonist of nicotinic acetylcholine receptors (nAChRs) .

HY-P1791

Lactoferrin (17-41) Lactoferricin B; Lfcin B	Bacterial Fungal Apoptosis	Infection Cancer
Lactoferrin 17-41 (Lactoferricin B), a peptide corresponding to residues 17-41 of bovine lactoferrin, has antimicrobial activity against a wide range of microorganisms, including Gram-positive and Gramnegative bacteria, viruses, protozoa, and fungi. Lactoferrin 17-41 has antitumor activities .

HY-P0204

Endothelin-3, human, mouse, rabbit, rat 1 Publications Verification Endothelin 3 (Rat,Human)	Endothelin Receptor Integrin	Neurological Disease
Endothelin-3, human, mouse, rabbit, rat (Endothelin 3 (Rat,Human)) is an adhesion stimulant. Endothelin-3, human, mouse, rabbit, rat stimulates the adhesion of enteric neural crest cells to various ECM components. Endothelin-3, human, mouse, rabbit, rat plays an important role in the maintenance and self-renewal of intestinal progenitor cells, participates in the migration of enteric neural crest cells, and helps maintain a suitable environment for the colonization of enteric neural crest cells. Endothelin-3, human, mouse, rabbit, rat acts synergistically with the β1-integrin signaling pathway during enteric nervous system development. Endothelin-3, human, mouse, rabbit, rat can be used in studies related to distal aganglionosis .

HY-P1411

Psalmotoxin 1 5+ Cited Publications PcTx1; Psalmopoeus cambridgei toxin-1	Sodium Channel Apoptosis	Neurological Disease Cancer
Psalmotoxin 1 (PcTx1) is a protein toxin that can bind at subunit-subunit interfaces of acid-sensing ion channel 1a (ASIC1a). Psalmotoxin 1 is a potent and slective ASIC1a inhibitor (IC₅₀: 0.9 nM) by increasing the apparent affinity for H ⁺ of ASIC1a. Psalmotoxin 1 can induce cell apoptosis, also inhibits cell migration, proferliration and invasion of cancer cells. Psalmotoxin 1 can be used in the research of cancers, or neurological disease .

HY-P3561A

Agouti-related Protein (AGRP) (83-132) Amide (human) TFA	Melanocortin Receptor	Neurological Disease
Agouti-related Protein (AGRP) (83-132) Amide (human) TFA is a fragment of agouti-related protein (AGRP) which is a protein found in abundance in the arcuate nucleus of the hypothalamus. AgRP primarily acts as an inverse agonist for the melanocortin-4 receptor (MC4R) to increase food intake .

HY-P1791B

Lactoferrin (17-41) acetate Lactoferricin B acetate; Lfcin B acetate	Bacterial Fungal Apoptosis	Infection Cancer
Lactoferrin 17-41 (Lactoferricin B) acetate, a peptide corresponding to residues 17-41 of bovine lactoferrin, has antimicrobial activity against a wide range of microorganisms, including Gram-positive and Gramnegative bacteria, viruses, protozoa, and fungi. Lactoferrin 17-41 acetate has antitumor activities .

HY-P3615

[Asn18] Endothelin-1 (swine, human)	Endothelin Receptor	Cardiovascular Disease
[Asn18] Endothelin-1 swine, human is a structural analogue of Endothelin 1 (swine, human) (HY-P0202), with the Asp amino acid at position 18 mutated to Asn. Endothelin 1 (swine, human) is a synthetic peptide with human and porcine endothelin 1 sequences and is a potent endogenous vasoconstrictor .

HY-P0202A

Endothelin 1 (swine, human) TFA 5+ Cited Publications ET-1 (swine, human) TFA	Endothelin Receptor	Cardiovascular Disease
Endothelin 1 (swine, human) (ET-1) TFA is a synthetic peptide with the sequence of human and swine Endothelin 1, which is a potent endogenous vasoconstrictor. Endothelin 1 TFA acts through two types of receptors ET_A and ET_B .

HY-12537

Peptide 401	Histamine Receptor 5-HT Receptor	Inflammation/Immunology Endocrinology
Peptide 401, a potent mast cell degranulating factor from bee venom, suppresses the increased vascular permeability due to intradermal injection of various smooth muscle spasmogens (histamine, and 5-HT).

HY-106216

Tiprelestat	Elastase	Infection Inflammation/Immunology
Tiprelestat is a potent human neutrophil elastase inhibitor. Tiprelestat has antimicrobial and anti-inflammatory activities. Tiprelestat can be used in the research of inflammation/immune disease .

HY-P11190

Arenicin-1	Bacterial	Infection
Arenicin-1 is an antimicrobial peptide that can be isolated from coelomocytes of the marine polychaeta lugworm Arenicola marina. Arenicin-1 displays potent antimicrobial activity, with MIC values ranging from 2.0 to 8.0 μM. Arenicin-1 can be used for antibacterial research .

HY-P4127A

M65 TFA	PACAP Receptor	Neurological Disease Metabolic Disease Inflammation/Immunology Cancer
M65 TFA is a deleted peptide of maxadilan (61 a.a.) with deletion of the residues between positions 24 and 42 and is a specific antagonist of PACAP type 1 receptor that inhibits ANP secretion and can be used for relevant researches .

HY-P0207

Endothelin-2 (49-69), human Endothelin-2 (human, canine); Human endothelin-2	Endothelin Receptor	Cardiovascular Disease Cancer
Endothelin-2 (49-69), human (Endothelin-2 (human, canine)) is a 21-amino acid vasoactive peptide that binds to G-protein-linked transmembrane receptors, ET-RA and ET-RB.

HY-P2538

Big Endothelin-1 (1-38), human	Vasopressin Receptor	Cardiovascular Disease
Big Endothelin-1 (1-38), human is the precursor of endothelin-1. Endothelin-1 (ET-1) is a potent vasopressor peptide .

HY-102029

Sarafotoxin S6c SRTX-c	Endothelin Receptor	Cardiovascular Disease
Sarafotoxin S6c (SRTX-c) is a potent endothelin-B receptor agonist. Sarafotoxin S6c can cause vasoconstriction in both endothelium-intact and endothelium-denuded vessels .

HY-P0207A

Endothelin-2 (49-69), human TFA Endothelin-2 (49-69) (human, canine) TFA; Human endothelin-2 TFA	Endothelin Receptor	Cardiovascular Disease Cancer
Endothelin-2 (49-69), human (TFA) (Endothelin-2 (49-69) (human, canine) (TFA)) is a 21-amino acid vasoactive peptide that binds to G-protein-linked transmembrane receptors, ET-RA and ET-RB.

HY-108814A

Ecallantide TFA 2 Publications Verification DX-88 TFA	Kallikrein	Cardiovascular Disease
Ecallantide (DX-88) TFA is a specific recombinant plasma kallikrein inhibitor. Ecallantide inhibits the production of bradykinin. Ecallantide may be used to prevent acute attacks of angioedema .

HY-139031

ALDH1A2-IN-1	Aldehyde Dehydrogenase (ALDH)	Endocrinology
ALDH1A2-IN-1 is an active site-directed reversible ALDH1A2 inhibitor (IC₅₀=0.91 μM; Kd=0.26 μM) with several hydrophobic interactions .

HY-P3071

ShK toxin Stichodactyla helianthus neurotoxin	Potassium Channel	Neurological Disease Inflammation/Immunology
ShK toxin blocks voltage-dependent potassium channel (K_v1.3 channel). ShK toxin can be isolated from the whole body extract of the Caribbean sea anemone (Stichodactylu helianthus). ShK toxin competes with dendrotoxin I and α-dendrotoxin for binding to synaptosomal membranes of rat brain, facilitates acetylcholine release. ShK toxin suppresses K+ currents in cultured rat dorsal root ganglion neurons. ShK toxin also inhibits T lymphocyte proliferation .

HY-P1508A

Bactenecin TFA Bactenecin, bovine TFA	Bacterial Fungal	Infection
Bactenecin TFA (Bactenecin, bovine TFA) is a potent 12-aa looped antimicrobial peptide isolated from bovine neutrophils. Bactenecin TFA inhibits the growth of bacteria and yeast, and kills the fungus Trichophyton rubrum. Bactenecin TFA increass membrane permeability, inhibits the growth and biofilm formation of *B. pseudomallei* .

HY-P1508

Bactenecin Bactenecin, bovine	Bacterial Fungal Antibiotic	Infection
Bactenecin (Bactenecin, bovine) is a potent 12-aa looped antimicrobial peptide isolated from bovine neutrophils. Bactenecin inhibits the growth of bacteria and yeast, and kills the fungus Trichophyton rubrum. Bactenecin increass membrane permeability, inhibits the growth and biofilm formation of *B. pseudomallei* .

HY-P5114A

Maurocalcine TFA	Calcium Channel	Others
Maurocalcine TFA is an agonist of ryanodine receptor (RyR) channel types 1, 2 and 3 with cellular permeability. Maurocalcine TFA induces [ ³H]ryanodine binding on RyR1 with an EC₅₀ value of 2558 nM. Maurocalcine TFA exhibits a apparent affinity of 14 nM for RyR2. Maurocalcine TFA can be applied to in vivo cell tracking or other cell imaging techniques .

HY-P3037A

Imperatoxin A TFA	Calcium Channel	Neurological Disease
Imperatoxin A TFA is a peptide toxin derived from the venom of the African scorpion Pandinus imperator. Imperatoxin A TFA is a Ca ²⁺-release channels/ryanodine receptors (RyRs) activator. Imperatoxin A TFA enhances the influx of Ca ²⁺ from the sarcoplasmatic reticulum into the cell .

HY-P11032

Mp-4D7-pF2	SARS-CoV Virus Protease	Infection
Mp-4D7-pF2, a cell-penetrating bicyclic peptide, is a noncovalent SARS-CoV-2 main protease inhibitor with an IC₅₀ of 4.51 μM. Mp-4D7-pF2 has an antiviral activity against SARS-CoV-2 with no cytotoxicity. Mp-4D7-pF2 can used for COVID-19 infections research .

HY-P1411A

Psalmotoxin 1 TFA 5+ Cited Publications PcTx1 TFA; Psalmopoeus cambridgei toxin-1 TFA	Sodium Channel Apoptosis	Neurological Disease Cancer
Psalmotoxin 1 (PcTx1) TFA is a protein toxin that can bind at subunit-subunit interfaces of acid-sensing ion channel 1a (ASIC1a). Psalmotoxin 1 TFA is a potent and slective ASIC1a inhibitor (IC₅₀: 0.9 nM) by increasing the apparent affinity for H ⁺ of ASIC1a. Psalmotoxin 1 TFA can induce cell apoptosis, also inhibits cell migration, proferliration and invasion of cancer cells. Psalmotoxin 1 TFA can be used in the research of cancers, or neurological disease .

HY-P11035

APY-d3	Ephrin Receptor	Neurological Disease Cancer
APY-d3 is a EphA4-LBD antagonistic peptide with a K_d of 138  nM. APY-d3 is constrained into a bioactive β-hairpin conformation via a head-to-tail disulfide bond. APY-d3 can be used for cancers like gastric and pancreatic cancers and neurodegenerative diseases like amyotrophic lateral sclerosis and Alzheimer’s disease research .

HY-P4742

6-FAM-AEEAc-Stichodactyla helianthus Neurotoxin (ShK) 6-FAM-AEEAC-SHK	Biochemical Assay Reagents	Others
6-FAM-AEEAc-Stichodactyla helianthus Neurotoxin (ShK) (6-FAM-AEEAC-SHK) is a polypeptide that can be used as a Biochemical Assay Reagents.

HY-P3563

[Lys4] Sarafotoxin S6c	Endothelin Receptor	Cardiovascular Disease
[Lys4] Sarafotoxin S6c, a sarafotoxin analogue, is a potent and partial agonist of endothelin receptor. [Lys4] Sarafotoxin S6c elicits contraction of pig coronary artery, with an EC₅₀ of 1.5 nM .

HY-108814

Ecallantide DX-88	Kallikrein	Cardiovascular Disease
Ecallantide (DX-88) is a specific plasma kallikrein inhibitor. Ecallantide inhibits the production of bradykinin. Ecallantide can be used to prevent acute attacks of angioedema .

HY-P5459

Elafin(human)	Bacterial Elastase	Infection
Elafin,also known as elafin-specific inhibitor (ESI) or skin anti-leucoprotease (SKALP), is a low molecular weight inhibitor of human neutrophil elastase (HNE) and proteinase 3 in lung. Elafin is antibiotic against Pseudomonas aeruginosa and Staphylococcus aureus .

HY-P5182A

HsTX1 TFA	Potassium Channel	Inflammation/Immunology
HsTX1 (TFA) toxin, from the scorpion Heterometrus spinnifer, is a 34-residue, C-terminally amidated peptide cross-linked by four disulfide bridges. HsTX1 (TFA) is an the inhibitor of potassium channel, with IC₅₀ for Kv1.3 of 12 pM and inhibits T_EM cell activation and attenuates inflammation in autoimmunity .

HY-P3561

Agouti-related Protein (AGRP) (83-132) Amide (human)	Melanocortin Receptor	Neurological Disease
Agouti-related Protein (AGRP) (83-132) Amide (human) is a fragment of agouti-related protein (AGRP) which is a protein found in abundance in the arcuate nucleus of the hypothalamus. AgRP primarily acts as an inverse agonist for the melanocortin-4 receptor (MC4R) to increase food intake .

HY-139032

CM121	Aldehyde Dehydrogenase (ALDH)	Others
CM121 is an active site-directed reversible ALDH1A2 inhibitor (IC₅₀=0.54 μM；Kd=1.1 μM) with a variety of hydrophobic interactions .

HY-P3071A

ShK toxin TFA Stichodactyla helianthus neurotoxin TFA	Potassium Channel	Neurological Disease Inflammation/Immunology
ShK toxin TFA (Stichodactyla helianthus neurotoxin TFA) is a neurotoxin. ShK toxin TFA blocks voltage-dependent potassium channel (K_v1.3 channel). ShK toxin TFA can be isolated from the whole body extract of the Caribbean sea anemone (Stichodactylu helianthus). ShK toxin TFA competes with dendrotoxin I and α-dendrotoxin for binding to synaptosomal membranes of rat brain, facilitates acetylcholine release. ShK toxin TFA suppresses K ⁺ currents in cultured rat dorsal root ganglion neurons. ShK toxin TFA also inhibits T lymphocyte proliferation .

HY-P2545

[Tyr1]-Somatostatin-14	Somatostatin Receptor	Endocrinology
[Tyr1]-Somatostatin-14 could binds to SSTR2 .

HY-P0084A

Cyclic somatostatin acetate SRIF-14 acetate; Somatostatin-14 acetate	Endogenous Metabolite	Cardiovascular Disease Metabolic Disease
Cyclic somatostatin (SRIF-14) acetate is a growth hormone-release inhibiting factor used in the research of severe, acute hemorrhages of gastroduodenal ulcers. Cyclic somatostatin acetate is a neuropeptide co-stored with acetylcholine in the cardiac parasympathetic innervation, exerts influences directly on contraction of ventricular cardiomyocytes. Cyclic somatostatin acetate inhibits the contractile response of isoprenaline with an IC₅₀ value of 13 nM. Cyclic somatostatin acetate can be used for the research of cardiovascular disease .

HY-P3433

Sarafotoxin S6b	Endothelin Receptor	Cardiovascular Disease
Sarafotoxin S6b is a vasoconstrictor peptide, and a non-selective endothelin receptor agonist. Sarafotoxin S6b can induce contraction in isolated human coronary arteries , the K_i values of Coronary artery, Saphenous vein and Coronary artery are 0.27, 0.55 and 19.5 nM, respectively .

HY-P3571

[Ala2] Endothelin-3, human	Endothelin Receptor	Cancer
[Ala2] Endothelin-3, human is a linear analog of endothelin-3 (ET-3) where substitution of Ala for Cys residues. TE-3 is a vasoactive peptide, produced by human rhabdomyosarcoma cell lines, whereas it is not expressed by human sarcoma cell lines of non-muscle origin. ET-3 acts as a paracrine factor, since it promotes migration of endothelial cells .

HY-P3065

Calcicludine	Calcium Channel	Neurological Disease
Calcicludine is a protein toxin from the venom of the green mamba that inhibits high-voltage-activated calcium channel, especially L-type calcium channel .

HY-P5175

Muscarinic toxin 7	mAChR	Neurological Disease
Muscarinic toxin 7 is a peptide toxin with selective and noncompetitive antagonism at the muscarinic M1 receptor .

HY-P4742A

6-FAM-AEEAc-Stichodactyla helianthus Neurotoxin (ShK) TFA 6-FAM-AEEAC-SHK TFA	Biochemical Assay Reagents Potassium Channel	Neurological Disease
6-FAM-AEEAc-Stichodactyla helianthus Neurotoxin (ShK) TFA (6-FAM-AEEAC-SHK TFA) is a peptide neurotoxin conjugated with a fluorescent marker. 6-FAM-AEEAc-Stichodactyla helianthus Neurotoxin (ShK) TFA can block voltage-gated potassium channels (kv1.1 and kv1.2) to prolong the duration of action potentials, thereby affecting the conduction of neural signals. 6-FAM-AEEAc-Stichodactyla helianthus Neurotoxin (ShK) TFA can be used in neuroscience research .

HY-P10248

Atriopeptin I (rat, mouse)	Androgen Receptor	Endocrinology
Atriopeptin I rat, mouse is an atrial natriuretic peptide, which stimulates the testosterone production with half-maximum stimulation of 38 nM .

HY-P3014

Hongotoxin-1	Potassium Channel	Others
Hongotoxin-1, isolated from venom of Centruroides limbatus, is the inhibitor of potassium channel, with IC₅₀ for? Kv1.1, Kv1.2, Kv1.3, and Kv1.6 of 31 pM, 170 pM, 86 pM,and 6000 pM, respectively .

HY-P5319

MCaE12A	Calcium Channel	Others
MCaE12A is a high-affinity modulator of RyR2 and increases RyR2 sensitivity to cytoplasmic calcium concentrations promoting channel opening. MCaE12A acts as an important tool for RyR2 structure-to-function studies as well as for manipulating Ca2+ homeostasis and dynamic of cardiac cell .

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