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Results for "

Cyclic Peptide

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Amyloid-β (1) ADC Cytotoxin (2) Adrenergic Receptor (2) Amino Acid Derivatives (4) Antibiotic (8) Arp2/3 Complex (3) Bacterial (10) Biochemical Assay Reagents (2) Calcium Channel (2) Complement System (3) COX (1) CXCR (3) DNA/RNA Synthesis (2) Elastase (1) Endogenous Metabolite (5) ERK (3) Fluorescent Dye (3) Fungal (3) Glycoprotein VI (1) Guanylate Cyclase (2) HIF/HIF Prolyl-Hydroxylase (2) HIV Protease (1) iGluR (2) Integrin (7) JNK (1) Melanocortin Receptor (2) MMP (2) Neurokinin Receptor (1) NO Synthase (1) Oxytocin Receptor (1) Parasite (3) PCSK9 (1) PI3K (2) PKA (1) PKC (2) Potassium Channel (1) Proteasome (2) Radionuclide-Drug Conjugates (RDCs) (1) Raf (2) Ras (3) Ser/Thr Protease (1) Sirtuin (1) TNF Receptor (2) Trk Receptor (2)
By Research Areas:	Cancer (35) Cardiovascular Disease (9) Endocrinology (4) Infection (23) Inflammation/Immunology (13) Metabolic Disease (3) Neurological Disease (14)

By Targets:

Amyloid-β (1)

ADC Cytotoxin (2)

Adrenergic Receptor (2)

Amino Acid Derivatives (4)

Antibiotic (8)

Arp2/3 Complex (3)

Bacterial (10)

Biochemical Assay Reagents (2)

Calcium Channel (2)

Complement System (3)

COX (1)

CXCR (3)

DNA/RNA Synthesis (2)

Elastase (1)

Endogenous Metabolite (5)

ERK (3)

Fluorescent Dye (3)

Fungal (3)

Glycoprotein VI (1)

Guanylate Cyclase (2)

HIF/HIF Prolyl-Hydroxylase (2)

HIV Protease (1)

iGluR (2)

Integrin (7)

JNK (1)

Melanocortin Receptor (2)

MMP (2)

Neurokinin Receptor (1)

NO Synthase (1)

Oxytocin Receptor (1)

Parasite (3)

PCSK9 (1)

PI3K (2)

PKA (1)

PKC (2)

Potassium Channel (1)

Proteasome (2)

Radionuclide-Drug Conjugates (RDCs) (1)

Raf (2)

Ras (3)

Ser/Thr Protease (1)

Sirtuin (1)

TNF Receptor (2)

Trk Receptor (2)

By Research Areas:

Cancer (35)

Cardiovascular Disease (9)

Endocrinology (4)

Infection (23)

Inflammation/Immunology (13)

Metabolic Disease (3)

Neurological Disease (14)

Inhibitors & Agonists

Screening Libraries

Biochemical Assay Reagents

Peptides

Natural
Products

Mibenratide	Adrenergic Receptor	Cardiovascular Disease
Mibenratide, a small cyclic peptide, is an adrenergic β1 receptor antagonist. Mibenratide can be used for heart failure research .

Omphalotin A	Parasite	Infection
Omphalotin A is a cyclic peptide, and shows nematicidal activity .

Boc-Glu-Ofm	Amino Acid Derivatives	Others
Boc-Glu-Ofm is a peptide. Boc-Glu-Ofm has been used for the synthesis of ester insulin and cyclic peptide mixtures .

Mibenratide TFA	Adrenergic Receptor	Cardiovascular Disease
Mibenratide TFA, a small cyclic peptide, is an adrenergic β1 receptor antagonist. Mibenratide TFA can be used for heart failure research .

Berninamycin D	Endogenous Metabolite	Others
Berninamycin D is a cyclic peptide fungal metabolite isolated from ermentation of Streptomyces bernensis .

Motuporin	Others	Others
Motuporin is a **cyclic peptide*. Motuporin was initially isolated from T. swinhoei* .

Fmoc-Tyr(3-F,tBu)-OH	Amino Acid Derivatives	Others
Fmoc-Tyr(3-F,tBu)-OH is a cyclic peptide compound with high membrane permeability and can specifically binds to a target molecule (extracted from patent WO2018225864A1) .

ε-Amanitin	DNA/RNA Synthesis ADC Cytotoxin	Cancer
ε-Amanitin, a cyclic peptide isolated from a variety of mushroom species, potently binds to and inhibits the activity of RNA polymerase II .

N-Fmoc-O-ethyl-L-homoserine	Amino Acid Derivatives	Others
N-Fmoc-O-ethyl-L-homoserine is an homoserine derivative, can be used in cyclic peptide compounds synthesis, as a reducing reagent .

Cyclic L27-11	Bacterial	Infection
Cyclic L27-11 is a cyclic peptide-like antibiotic with strong antibacterial activity against specific bacteria such as Pseudomonas sp. Cyclic L27-11 shows nanomolar antibacterial activity against Pseudomonas sp., especially Pseudomonas aeruginosa. Cyclic L27-11 interferes with the function of bacterial outer membrane protein LptD, preventing the normal transport of lipopolysaccharide (LPS), leading to the accumulation of membrane-like substances in bacterial cells, which in turn affects the survival of bacteria. Cyclic L27-11 can be used in the development of antibacterial agents .

Cyclotraxin B 3 Publications Verification	Trk Receptor	Neurological Disease
Cyclotraxin B, a cyclic peptide, is a highly potent and selective TrkB inhibitor without altering the binding of BDNF. Cyclotraxin B non-competitively inhibits BDNF-induced TrkB activity with an IC₅₀ of 0.30 nM. Cyclotraxin B can crosse the blood-brain-barrier and has analgesic and anxiolytic-like behavioral effects .

CXJ-2	PI3K ERK	Inflammation/Immunology
CXJ-2 is a cyclic peptide, and exhibits moderate affinity toward elastin derived peptides (EDPs). CXJ-2 exhibits potent activities to inhibit the PI3K/ERK pathway and decrease hepatic stellate cell proliferation and migration. CXJ-2 possesses potent antifibrotic efficacy .

Cyclotraxin B TFA	Trk Receptor	Neurological Disease
Cyclotraxin B TFA, a cyclic peptide, is a highly potent and selective TrkB inhibitor without altering the binding of BDNF. Cyclotraxin B TFA non-competitively inhibits BDNF-induced TrkB activity with an IC₅₀ of 0.30 nM. Cyclotraxin B TFA can crosse the blood-brain-barrier and has analgesic and anxiolytic-like behavioral effects .

Certepetide CEND-1; iRGD; LSTA1	Integrin Complement System	Cancer
Certepetide (CEND-1) is a bifunctional cyclic peptide (a.k.a. iRGD). Certepetide is a tumor-penetrating enhancer via RGD motif interaction with alphav-integrins and via activating NRP-1, and transforms the solid tumor microenvironment into a temporary agent conduit. Certepetide accumulates in tumors, and is used in the research of pancreatic cancer and other solid tumors .

β-Amanitin	DNA/RNA Synthesis ADC Cytotoxin	Cancer
β-Amanitin is a cyclic peptide toxin in the poisonous Amanita phalloides mushroom. β-Amanitin inhibits inhibits eukaryotic RNA polymerase II and III. β-Amanitin inhibits protein synthesis. β-Amanitin can be used as a cytotoxic component of antibody-drug conjugates (ADCs) .

187-1, N-WASP inhibitor 1 Publications Verification	Arp2/3 Complex	Others
187-1, N-WASP inhibitor, a 14-aa cyclic peptide, is an allosteric neural Wiskott-Aldrich syndrome protein (N-WASP) inhibitor. 187-1, N-WASP inhibitor potently inhibits actin assembly induced by phosphatidylinositol 4,5-bisphosphate (PIP2) with an IC₅₀ of 2 μM. 187-1, N-WASP inhibitor prevents the activation of Arp2/3 complex by N-WASP by stabilizing the autoinhibited state of the protein .

Jasplakinolide	Arp2/3 Complex Fungal	Infection Cancer
Jasplakinolide is a potent actin polymerization inducer and stabilizes pre-existing actin filaments. Jasplakinolide binds to F-actin competitively with phalloidin with a K_d of 15 nM. Jasplakinolide, a naturally occurring cyclic peptide from the marine sponge, has both fungicidal and anti-cancer activity .

187-1, N-WASP inhibitor TFA	Arp2/3 Complex	Others
187-1, N-WASP inhibitor TFA, a 14-aa cyclic peptide, is an allosteric neural Wiskott-Aldrich syndrome protein (N-WASP) inhibitor. 187-1, N-WASP inhibitor TFA potently inhibits actin assembly induced by phosphatidylinositol 4,5-bisphosphate (PIP2) with an IC₅₀ of 2 μM. 187-1, N-WASP inhibitor TFA prevents the activation of Arp2/3 complex by N-WASP by stabilizing the autoinhibited state of the protein .

Murepavadin TFA 2 Publications Verification POL7080 TFA	Bacterial Antibiotic	Infection
Murepavadin (POL7080) (TFA), a 14-amino-acid cyclic peptide, is a highly potent, specific antibiotic. Murepavadin exhibits a potent antimicrobial activity for P. aeruginosa with MIC₅₀ and MIC₉₀ values both of 0.12 mg/L. Murepavadin also can target the lipopolysaccharide transport portin D. Murepavadin can be used for the research of bacterial resistance .

Murepavadin POL7080	Bacterial Antibiotic	Infection
Murepavadin (POL7080), a 14-amino-acid cyclic peptide, is a highly potent, specific antibiotic. Murepavadin exhibits a potent antimicrobial activity for P. aeruginosa with both MIC₅₀ and MIC₉₀ values of 0.12 mg/L. Murepavadin also can target the lipopolysaccharide transport portin D. Murepavadin can be used for the research of bacterial resistance .

Aspercolorin	Endogenous Metabolite	Others
Aspercolorin, a secondary metabolite, is a cyclic peptide .

K-13	Others	Others
K-13 is a cyclic peptide compound synthesized by a specific organozinc reagent. Its synthesis process involves intermolecular and intramolecular Negishi cross-coupling reactions and is one of the shortest routes reported for the synthesis of such cyclic peptides.

CTTHWGFTLC, CYCLIC	MMP	Inflammation/Immunology Cancer
CTTHWGFTLC, CYCLIC is a cyclic peptide inhibitor for matrix metalloproteinases MMP-2 and MMP-9. The IC₅₀ value for MMP-9 is ~8 μM .

CTTHWGFTLC, CYCLIC TFA	MMP	Inflammation/Immunology Cancer
CTTHWGFTLC, CYCLIC TFA is a cyclic peptide inhibitor for matrix metalloproteinases MMP-2 and MMP-9. The IC₅₀ value for MMP-9 is ~8 μM .

Peptide R	CXCR	Cancer
Peptide R, a cyclic peptide, is a specific CXCR4 antagonist. Peptide R shows outstanding capacities to profoundly remodel the tumor stroma. Peptide R has the potential for tumor research .

Desferriferribactin	Bacterial	Others
Desferriferribactin is a cyclic peptide containing a thirteen-membered ring. Desferriferribactin is a precursor of pyoverdins .

Cyclic MKEY	CXCR	Cardiovascular Disease Cancer
Cyclic MKEY is a synthetic cyclic peptide inhibitor of CXCL4-CCL5 heterodimer formation, which protects against atherosclerosis and aortic aneurysm formation by mediating inflammation. Cyclic MKEY also protects against stroke-induced brain injury in mice .

Cyclic MKEY TFA	CXCR	Cardiovascular Disease Cancer
Cyclic MKEY TFA is a synthetic cyclic peptide inhibitor of CXCL4-CCL5 heterodimer formation, which protects against atherosclerosis and aortic aneurysm formation by mediating inflammation. Cyclic MKEY TFA also protects against stroke-induced brain injury in mice .

β-Bag cell peptide	Potassium Channel	Neurological Disease
β-Bag cell peptide is a neuroactive peptide. β-Bag cell peptide elevates cyclic AMP levels in the bag cell neurons. β-Bag cell peptide decreases the amplitudes of the voltage-dependent potassium currents .

PCSK9-IN-1	PCSK9	Cardiovascular Disease
PCSK9-IN-1 is a novel and highly potent cyclic peptide PCSK9 inhibitor with a K_i value of 1.46 nM.

Cyclic GMP sodium 1 Publications Verification	Endogenous Metabolite	Inflammation/Immunology
Cyclic GMP sodium (cGMP) is an important regulator of short-term changes in smooth muscle tone and longer-term responses to chronic drug research or proliferative signals, it is in response to atrial natriuretic peptide (ANP) or nitric oxide (NO). Cyclic GMP sodium interacts with cation channels to regulate ion transport or activate the cyclic GMP-dependent protein kinase to result in protein phosphorylation .

Heterophyllin B 4 Publications Verification	PI3K	Cancer
Heterophyllin B is an active cyclic peptide isolated from Pseudostellaria heterophylla. Heterophyllin B provides a novel strategy for the treatment of esophageal cancer .

SFTI-1	Ser/Thr Protease	Others
SFTI-1 is a cyclic peptide trypsin inhibitor comprising 14 amino acid residues. SFTI-1 is a potent Bowman-Birk inhibitor.

Cyclorasin 9A5	Ras Raf	Cancer
Cyclorasin 9A5 is an 11-residue cell-permeable cyclic peptide that orthosterically inhibits the Ras-Raf protein interaction with an IC₅₀ of 120 nM .

S 16474	Neurokinin Receptor	Neurological Disease Inflammation/Immunology
S 16474 is a cyclic peptide with antagonistic effects on NK1 and NK2 receptors. S 16474 can be used in the study of neurogenic inflammation .

Cyclorasin 9A5 TFA	Ras Raf	Cancer
Cyclorasin 9A5 TFA is an 11-residue cell-permeable cyclic peptide that orthosterically inhibits the Ras-Raf protein interaction with an IC₅₀ of 120 nM .

iRGD peptide 5 Publications Verification c(CRGDKGPDC)	Integrin	Cancer
iRGD peptide is a 9-amino acid cyclic peptide, triggers tissue penetration of agents by first binding to αv-integrins, then proteolytically cleaved in the tumor to produce CRGDK/R to interact with neuropilin-1, and has tumor-targeting and tumor-penetrating properties.

FR179642	Fungal	Infection
FR179642 is a key intermediate in the synthesis of the echinocandin antifungal Micafungin . FR179642 is the cyclic peptide nucleus of the echinocandin-like antifungal lipopeptide FR901379 .

cSPM Cyclic spermine	Amyloid-β	Neurological Disease
cSPM (Cyclic spermine) is a Aβ42 inhibitor. cSPM could suppress the aggregation of three different peptides, Aβ42, amylin and insulin, and decreases cytotoxicity .

Fmoc-L-photo-proline	Antibiotic	Others
Fmoc-L-photo-proline is a photo-crosslinking amino acid which can be incorporated into synthetic peptides using solid-phase Fmoc chemistry. Fmoc-L-photo-proline can synthesis of cyclic peptidomimetic antibiotic and be used for preparation of diverse peptide-based photoaffinity probes research .

Aureobasidin A 2 Publications Verification Basifungin	Fungal Parasite	Infection Inflammation/Immunology
Aureobasidin A (Basifungin) is a cyclic peptide antibiotic with oral activity. Aureobasidin A is an inhibitor of inositol phosphorylated ceramide synthetase AUR1. Aureobasidin A has antifungal and antiparasitic activity .

TCMCB07	Melanocortin Receptor	Metabolic Disease
TCMCB07, a cyclic nonapeptide peptide, is an orally active and brain-penetrant melanocortin receptor 4 (MC4R) antagonist. TCMCB07 plays an important role in cachexia .

Fmoc-Pen(Acm)-OH	Amino Acid Derivatives	Others
Fmoc-Pen(Acm)-OH is an amino acid derivative with an Fmoc protecting group that can be used to synthesize chemically modified cyclic peptides containing cell adhesion recognition (CAR) sequences .

TCMCB07 TFA	Melanocortin Receptor	Metabolic Disease
TCMCB07 TFA, a cyclic nonapeptide peptide, is an orally active and brain-penetrant melanocortin receptor 4 (MC4R) antagonist. TCMCB07 TFA plays an important role in cachexia .

Batifiban TFA	Glycoprotein VI	Cardiovascular Disease
Batifiban TFA, a cyclic peptide, is an antagonist of platelet glycoprotein GPⅡb/Ⅲa and inhibits platelet aggregation. Batifiban blocks the binding of circulating vitronectin to integrin ανβ3 .

Zelkovamycin	Bacterial	Infection
Zelkovamycin is a cyclic peptide antibiotic originally isolated from Streptomyces. It inhibits growth of X. oryzae, P. oryzae, S. aureus, and A. laidlawii in a concentration-dependent manner when used at concentrations ranging from 0.01 to 300 μg/mL.

Cat. No.	Product Name

HY-L110

Cyclic Peptide Library

91 compounds

Cyclic peptides are polypeptide chains taking cyclic ring structure, which exhibit diverse biological activities, such as antibacterial activity, immunosuppressive activity and anti-tumor activity. Cyclic peptides, with the features of good binding affinity, target selectivity and low toxicity, show great success as therapeutics. Multiple cyclic peptides are currently in clinical use, for examples, gramicidin and tyrocidine with bactericidal activity, cyclosporin A with immunosuppressive activity, and vancomycin with antibacterial activity. Furthermore, cyclic peptides usually have the sufficient size and a balanced conformational flexibility/rigidity for binding to flat protein-protein interaction (PPI) interfaces, which have potential to develop PPI drugs.

MCE offers a unique collection of 91 cyclic peptides, all of which have good bioactivities. MCE Cyclic Peptide Library is a powerful tool for drug discovery and PPI inhibitor screening.

Cat. No.	Product Name	Type

HY-104086

Cucurbit[7]uril

1 Publications Verification

CB7; Carrier CB7

Drug Delivery

Cucurbit[7]uril is a cyclic organic molecule consisting of seven glycoluril units linked by methylene bridges. It has a rigid barrel-like structure with two identical inlets at both ends to selectively encapsulate guest molecules of appropriate size, shape, and polarity. Cucurbit[7]uril is known for its high binding affinity for a variety of organic and inorganic guests, including drugs, amino acids, peptides, and metal ions. This property makes them promising candidates for various applications in areas such as drug delivery, catalysis, and sensing.

Cat. No.	Product Name	Target	Research Area

HY-P5217

CSTSMLKAC (disulfide)	Peptides	Others
CSTSMLKAC (peptide 2) is a *cyclic* 9 amino acid sequence that mimics endogenous peptide sequences. CSTSMLKAC homes to cardiomyocytes in the ischemic myocardium .

HY-P4102

**Cyclic PSAP peptide**	Peptides	Cancer
Cyclic PSAP peptide is a cyclic pentapeptide (DWLPK). Cyclic PSAP peptide exhibits agent-like properties and could inhibit metastatic spread and restrain tumor development in general in vivo .

HY-P10383A

*SPSB2-iNOS inhibitory cyclic* peptide-1 TFA**	Peptides	Infection
SPSB2-iNOS inhibitory cyclic peptide-1 TFA is the TFA salt form of SPSB2-iNOS inhibitory cyclic peptide-1(HY-P10383). SPSB2-iNOS inhibitory cyclic peptide-1 is an inhibitor for the interaction of SPRY domain and SOCS-box protein 2 (SPSB2) and iNOS, through binding SPSB2 on iNOS site with K_D of 4.4 nM. SPSB2-iNOS inhibitory cyclic peptide-1 is resistant to the proteases pepsin, trypsin and α-chymotrypsin. SPSB2-iNOS inhibitory cyclic peptide-1 is stable in human plasma and in oxidative environment .

HY-P10383

*SPSB2-iNOS inhibitory cyclic* peptide-1**	Peptides	Infection
SPSB2-iNOS inhibitory cyclic peptide-1 is an inhibitor for the interaction of SPRY domain and SOCS-box protein 2 (SPSB2) and iNOS, through binding SPSB2 on iNOS site with K_D of 4.4 nM. SPSB2-iNOS inhibitory cyclic peptide-1 is resistant to the proteases pepsin, trypsin and α-chymotrypsin. SPSB2-iNOS inhibitory cyclic peptide-1 is stable in human plasma and in oxidative environment .

HY-P10384A

*SPSB2-iNOS inhibitory cyclic* peptide-2 TFA**	Peptides	Infection
SPSB2-iNOS inhibitory cyclic peptide-2 TFA is the TFA salt form of SPSB2-iNOS inhibitory cyclic peptide-2 (HY-P10384). SPSB2-iNOS inhibitory cyclic peptide-2 TFA is an inhibitor for the interaction of SPRY domain and SOCS-box protein 2 (SPSB2) and iNOS, through binding SPSB2 on iNOS site with K_D of 21 nM. SPSB2-iNOS inhibitory cyclic peptide-2 TFA is reduction-resistant and oxidatively stable .

HY-P10385A

*SPSB2-iNOS inhibitory cyclic* peptide-3 TFA**	Peptides	Infection
SPSB2-iNOS inhibitory cyclic peptide-3 TFA is the TFA salt form of SPSB2-iNOS inhibitory cyclic peptide-3 (HY-P10385). SPSB2-iNOS inhibitory cyclic peptide-3 TFA is an inhibitor for the interaction of SPRY domain and SOCS-box protein 2 (SPSB2) and iNOS, through binding SPSB2 on iNOS site with K_D of 7 nM .

HY-P10384

*SPSB2-iNOS inhibitory cyclic* peptide-2**	Peptides	Infection
SPSB2-iNOS inhibitory cyclic peptide-2 (Compound CP2) is an inhibitor for the interaction of SPRY domain and SOCS-box protein 2 (SPSB2) and iNOS, through binding SPSB2 on iNOS site with K_D of 21 nM. SPSB2-iNOS inhibitory cyclic peptide-2 is reduction-resistant and oxidatively stable .

HY-P10385

*SPSB2-iNOS inhibitory cyclic* peptide-3**	Peptides	Infection
SPSB2-iNOS inhibitory cyclic peptide-3 (Compound CP3) is an inhibitor for the interaction of SPRY domain and SOCS-box protein 2 (SPSB2) and iNOS, through binding SPSB2 on iNOS site with K_D of 7 nM .

HY-P5957

Omphalotin A	Parasite	Infection
Omphalotin A is a cyclic peptide, and shows nematicidal activity .

HY-133801

Unguisin A	Peptides	Others
Unguisin A s a cyclic peptides that can be isolated from the marine-derived fungus Emericella unguis .

HY-125488

Unguisin B	Peptides	Others
Unguisin B s a cyclic peptides that can be isolated from the marine-derived fungus Emericella unguis .

HY-35028

Boc-Glu-Ofm	Amino Acid Derivatives	Others
Boc-Glu-Ofm is a peptide. Boc-Glu-Ofm has been used for the synthesis of ester insulin and cyclic peptide mixtures .

HY-P3557

Mibenratide	Adrenergic Receptor	Cardiovascular Disease
Mibenratide, a small cyclic peptide, is an adrenergic β1 receptor antagonist. Mibenratide can be used for heart failure research .

HY-P3557A

Mibenratide TFA	Adrenergic Receptor	Cardiovascular Disease
Mibenratide TFA, a small cyclic peptide, is an adrenergic β1 receptor antagonist. Mibenratide TFA can be used for heart failure research .

HY-P10557

DAG peptide	Peptides	Neurological Disease
DAG peptide is a cyclic peptide. DAG peptide selectively recognizes a subset of astrocytes that are activated in Alzheimer's disease (AD) starting at an early stage of the disease. DAG peptide can be used as a tool to enhance the delivery of therapeutics and imaging agents to sites of vascular changes and astrogliosis in diseases associated with neuroinflammation .

HY-W036160

N-Fmoc-O-ethyl-L-homoserine	Amino Acid Derivatives	Others
N-Fmoc-O-ethyl-L-homoserine is an homoserine derivative, can be used in cyclic peptide compounds synthesis, as a reducing reagent .

HY-P10548

Cyclic L27-11	Bacterial	Infection
Cyclic L27-11 is a cyclic peptide-like antibiotic with strong antibacterial activity against specific bacteria such as Pseudomonas sp. Cyclic L27-11 shows nanomolar antibacterial activity against Pseudomonas sp., especially Pseudomonas aeruginosa. Cyclic L27-11 interferes with the function of bacterial outer membrane protein LptD, preventing the normal transport of lipopolysaccharide (LPS), leading to the accumulation of membrane-like substances in bacterial cells, which in turn affects the survival of bacteria. Cyclic L27-11 can be used in the development of antibacterial agents .

HY-P1178

Cyclotraxin B 3 Publications Verification	Trk Receptor	Neurological Disease
Cyclotraxin B, a cyclic peptide, is a highly potent and selective TrkB inhibitor without altering the binding of BDNF. Cyclotraxin B non-competitively inhibits BDNF-induced TrkB activity with an IC₅₀ of 0.30 nM. Cyclotraxin B can crosse the blood-brain-barrier and has analgesic and anxiolytic-like behavioral effects .

HY-149205

CXJ-2	PI3K ERK	Inflammation/Immunology
CXJ-2 is a cyclic peptide, and exhibits moderate affinity toward elastin derived peptides (EDPs). CXJ-2 exhibits potent activities to inhibit the PI3K/ERK pathway and decrease hepatic stellate cell proliferation and migration. CXJ-2 possesses potent antifibrotic efficacy .

HY-P1178A

Cyclotraxin B TFA	Trk Receptor	Neurological Disease
Cyclotraxin B TFA, a cyclic peptide, is a highly potent and selective TrkB inhibitor without altering the binding of BDNF. Cyclotraxin B TFA non-competitively inhibits BDNF-induced TrkB activity with an IC₅₀ of 0.30 nM. Cyclotraxin B TFA can crosse the blood-brain-barrier and has analgesic and anxiolytic-like behavioral effects .

HY-P3448

Certepetide CEND-1; iRGD; LSTA1	Integrin Complement System	Cancer
Certepetide (CEND-1) is a bifunctional cyclic peptide (a.k.a. iRGD). Certepetide is a tumor-penetrating enhancer via RGD motif interaction with alphav-integrins and via activating NRP-1, and transforms the solid tumor microenvironment into a temporary agent conduit. Certepetide accumulates in tumors, and is used in the research of pancreatic cancer and other solid tumors .

HY-P1045

187-1, N-WASP inhibitor 1 Publications Verification	Arp2/3 Complex	Others
187-1, N-WASP inhibitor, a 14-aa cyclic peptide, is an allosteric neural Wiskott-Aldrich syndrome protein (N-WASP) inhibitor. 187-1, N-WASP inhibitor potently inhibits actin assembly induced by phosphatidylinositol 4,5-bisphosphate (PIP2) with an IC₅₀ of 2 μM. 187-1, N-WASP inhibitor prevents the activation of Arp2/3 complex by N-WASP by stabilizing the autoinhibited state of the protein .

HY-P0027

Jasplakinolide	Arp2/3 Complex Fungal	Infection Cancer
Jasplakinolide is a potent actin polymerization inducer and stabilizes pre-existing actin filaments. Jasplakinolide binds to F-actin competitively with phalloidin with a K_d of 15 nM. Jasplakinolide, a naturally occurring cyclic peptide from the marine sponge, has both fungicidal and anti-cancer activity .

HY-P1045A

187-1, N-WASP inhibitor TFA	Arp2/3 Complex	Others
187-1, N-WASP inhibitor TFA, a 14-aa cyclic peptide, is an allosteric neural Wiskott-Aldrich syndrome protein (N-WASP) inhibitor. 187-1, N-WASP inhibitor TFA potently inhibits actin assembly induced by phosphatidylinositol 4,5-bisphosphate (PIP2) with an IC₅₀ of 2 μM. 187-1, N-WASP inhibitor TFA prevents the activation of Arp2/3 complex by N-WASP by stabilizing the autoinhibited state of the protein .

HY-P1674A

Murepavadin TFA 2 Publications Verification POL7080 TFA	Bacterial Antibiotic	Infection
Murepavadin (POL7080) (TFA), a 14-amino-acid cyclic peptide, is a highly potent, specific antibiotic. Murepavadin exhibits a potent antimicrobial activity for P. aeruginosa with MIC₅₀ and MIC₉₀ values both of 0.12 mg/L. Murepavadin also can target the lipopolysaccharide transport portin D. Murepavadin can be used for the research of bacterial resistance .

HY-P1674

Murepavadin POL7080	Bacterial Antibiotic	Infection
Murepavadin (POL7080), a 14-amino-acid cyclic peptide, is a highly potent, specific antibiotic. Murepavadin exhibits a potent antimicrobial activity for P. aeruginosa with both MIC₅₀ and MIC₉₀ values of 0.12 mg/L. Murepavadin also can target the lipopolysaccharide transport portin D. Murepavadin can be used for the research of bacterial resistance .

HY-P4615

Cyclo(-Glu-Glu)	Peptides	Others
Cyclo(-Glu-Glu) is a cyclic peptide, a cyclic structure formed by linking two glutamic acid residues through a peptide bond .

HY-P4520

(Trp4)-Kemptide	Peptides	Others
(Trp4)-Kemptide is a peptide substrate for adenosine 3',5'-cyclic monophosphate-dependent protein kinase .

HY-P4617

Cyclo(-Leu-Phe)	Peptides	Others
Cyclo(-Leu-Phe) is a cyclic peptide composed of leucine and phenylalanine, forming a ring structure through peptide bonds .

HY-N9526

Lyciumin B	Peptides	Cardiovascular Disease
Lyciumin B is a cyclic peptide isolated from Lysium chinense .

HY-P1789

CTTHWGFTLC, CYCLIC	MMP	Inflammation/Immunology Cancer
CTTHWGFTLC, CYCLIC is a cyclic peptide inhibitor for matrix metalloproteinases MMP-2 and MMP-9. The IC₅₀ value for MMP-9 is ~8 μM .

HY-P1789A

CTTHWGFTLC, CYCLIC TFA	MMP	Inflammation/Immunology Cancer
CTTHWGFTLC, CYCLIC TFA is a cyclic peptide inhibitor for matrix metalloproteinases MMP-2 and MMP-9. The IC₅₀ value for MMP-9 is ~8 μM .

HY-P4111

Peptide R	CXCR	Cancer
Peptide R, a cyclic peptide, is a specific CXCR4 antagonist. Peptide R shows outstanding capacities to profoundly remodel the tumor stroma. Peptide R has the potential for tumor research .

HY-P2202

Desferriferribactin	Bacterial	Others
Desferriferribactin is a cyclic peptide containing a thirteen-membered ring. Desferriferribactin is a precursor of pyoverdins .

HY-N13127

Segetalin C	Peptides	Endocrinology
Segetalin C is a cyclic peptide that increases uterine weight in ovariectomized rats (2.5 mg/kg).

HY-P1949

Cyclic MKEY	CXCR	Cardiovascular Disease Cancer
Cyclic MKEY is a synthetic cyclic peptide inhibitor of CXCL4-CCL5 heterodimer formation, which protects against atherosclerosis and aortic aneurysm formation by mediating inflammation. Cyclic MKEY also protects against stroke-induced brain injury in mice .

HY-146127

Grb2 SH2 domain inhibitor 1	Peptides	Others
Grb2 SH2 domain inhibitor 1 is a conformationally restricted cyclic cell penetrating peptide (CPP) containing d-pro-l-pro motif ring (AF Φ Rpprrfq) (where Φ It is L-naphthylalanine, R is D-arginine, P is D-proline), which is mainly used as a cyclic peptide inhibitor.

HY-P4909

Autoinducing Peptide I	Peptides	Infection
Autoinducing Peptide I is a cyclic octapeptide secreted by Staphylococcus aureus and can be used in vaccine research .

HY-146127A

Grb2 SH2 domain inhibitor 1 TFA	Peptides	Others
Grb2 SH2 domain inhibitor 1 TFA is a conformationally restricted cyclic cell penetrating peptide (CPP) containing d-pro-l-pro motif ring (AF Φ Rpprrfq) (where Φ It is L-naphthylalanine, R is D-arginine, P is D-proline), which is mainly used as a cyclic peptide inhibitor.

HY-P1949A

Cyclic MKEY TFA	CXCR	Cardiovascular Disease Cancer
Cyclic MKEY TFA is a synthetic cyclic peptide inhibitor of CXCL4-CCL5 heterodimer formation, which protects against atherosclerosis and aortic aneurysm formation by mediating inflammation. Cyclic MKEY TFA also protects against stroke-induced brain injury in mice .

HY-P3777

β-Bag cell peptide	Potassium Channel	Neurological Disease
β-Bag cell peptide is a neuroactive peptide. β-Bag cell peptide elevates cyclic AMP levels in the bag cell neurons. β-Bag cell peptide decreases the amplitudes of the voltage-dependent potassium currents .

HY-P3193A

Cyclic nona-L-arginine hydrochloride	Peptides	Others
Cyclic nona-L-arginine hydrochloride, a nonaarginine peptide used for drug delivery, translocates faster than their linear counterparts .

HY-P2171

CCP peptide	Peptides	Inflammation/Immunology
CCP peptide is a synthetic cyclic citrullinated peptide (CCP) and used as the substrate for detecting anti-CCP antibodies serologically. CCP peptide functions as a target for autoantibodies with a very high specificity for rheumatoid arthritis (RA) .

HY-P3193

Cyclic nona-L-arginine TFA	Peptides	Others
Cyclic nona-L-arginine TFA, a nonaarginine peptide used for drug delivery, translocates faster than their linear counterparts .

HY-P2171A

CCP peptide TFA	Peptides	Inflammation/Immunology
CCP peptide TFA is a synthetic cyclic citrullinated peptide (CCP) and used as the substrate for detecting anti-CCP antibodies serologically. CCP peptide TFA functions as a target for autoantibodies with a very high specificity for rheumatoid arthritis (RA) .

HY-P3957

Urotensin II, teleost fish	Peptides	Others
Urotensin II, teleost fish is a cyclic peptide. It can be isolated from the caudal neurosecretory system of teleost fish .

HY-P6372

SDZ 280-446	Peptides
SDZ 280-446 is an orally active semisynthetic cyclic peptide lactone. SDZ 280-446 can be used in anticancer research .

HY-P10033

SFTI-1	Ser/Thr Protease	Others
SFTI-1 is a cyclic peptide trypsin inhibitor comprising 14 amino acid residues. SFTI-1 is a potent Bowman-Birk inhibitor.

HY-P10374

Pep42	Peptides	Cancer
Pep42, a cyclic peptide ligand of GPR78, internalizes selectively into highly metastatic human melanoma cells through a receptor-mediated process .

HY-P10051

Cyclorasin 9A5	Ras Raf	Cancer
Cyclorasin 9A5 is an 11-residue cell-permeable cyclic peptide that orthosterically inhibits the Ras-Raf protein interaction with an IC₅₀ of 120 nM .

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