Peptides

MARK Substrate is a MARK substrate peptide.

Gluten exorphin C is an opioid peptide derived from wheat gluten. Its IC50 values are 40 μM and 13.5 μM for μ opioid and δ opioid activities in the GPI and MVD assays, respectively.

Malantide is a synthetic dodecapeptide derived from the site phosphorylated by cAMP-dependent protein kinase (PKA) on the β-subunit of phosphorylase kinase. Malantide is a highly specific substrate for PKA with a Km of 15 μM and shows protein inhibitor (PKI) inhibition >90% substrate phosphorylation in various rat tissue extracts. Malantide is also an efficient substrate for PKC with a Km of 16 μM.

Buforin II, derived from buforin I, a protein isolated from the stomach of the Asian toad Bufo bufo gargarizans, is a potent antimicrobial peptide. Buforin II has antimicrobial activity against a broad spectrum of Gram-positive and Gram-negative bacteria.

[Sar9] Substance P is a potent and selective neurokinin (NK)-1 receptor agonist.

Protein Kinase C (19-31), a peptide inhibitor of protein kinase C (PKC), derived from the pseudo-substrate regulatory domain of PKCa (residues 19-31) with a serine at position 25 replacing the wild-type alanine, is used as protein kinase C substrate peptide for testing the protein kinase C activity. Protein kinase C (PKC) is involved in controlling the function of other proteins through the phosphorylation of hydroxyl groups of serine and threonine amino acid residues on these proteins.

Platelet Factor 4 (58-70), human, a peptide based on the amino acid sequence corresponding to residues 58-70 of platelet factor-4 (PF-4), contains the major heparin-binding domain, which is not sufficient for full antiangiogenic activity.

BDC2.5 mimotope 1040-31, a BDC2.5 TCR reactive peptide, is a strong agonistic peptide for diabetogenic T cell clone BDC2.5, and the 1040-31 peptide is specific for BDC 2.5 TCR Tg+ T cells.

MCA-SEVNLDAEFR-K(Dnp)-RR, amide is a FRET-based substrate.

HSV-gB2 (498-505) is an immunodominant epitope from herpes simplex virus (HSV) glycoprotein B residues 498-505, acts as H-2Kb-restricted and HSV-1/2-cross-reactive cytotoxic T-lymphocyte (CTL) recognition epitope.

Hsp70-derived octapeptide is a conserved octapeptide of the C-terminal end of Hsp70, which physically interacts with tetratricopeptide repeat (TPR) motifs.

Smcy HY Peptide (738-746) is a H2-Db-restricted peptide corresponding to amino acids 738-746 of Smcy protein.

Alpha 1(I) Collagen (614-639), human is a peptide fragment of alpha-1 type I collagen.

YRGDS Fibronectin Fragment is a fibronectin fragment, an adhesion peptide that displays strong binding affinity to thrombin-stimulated platelets.

γ-2-MSH (41-58), amide is derived from γ-2-MSH. γ-2-MSH is a twelve amino acid peptide that is derived from the N-terminal fragment of proopiomelanocortin (POMC) and contains the His-Phe-Arg-Trp motif common to all melanocortin endogenous agonist ligands.

Delicious peptide is a small linear octapeptide with delicious taste, can be isolated from the gravy of beef meat. Delicious peptide has savory flavor, is also described as beefy meaty peptide and a beef flavor enhancer.

Ac-YVAD-pNA is a specific Caspase-1 substrate. Ac-YVAD-pNA can be used to detect Caspase-1 activity. Caspase-1 is a key mediator of inflammatory processes.

SAHM1, a peptide mimetic of a dominant negative form of mastermind-like (MAML), inhibits canonical Notch transcription complex formation. SAHM1 can be used for the research of allergic airway inflammation in mice.

Z-IETD-AFC, a specific fluorescence substrate, can be used to determine the caspase-8 catalytic activity.

Aclerastide (DSC-127) is an angiotensin receptor agonist. Aclerastide also is a peptide analog of angiotensin II. Aclerastide can be used for the research of tissue regeneration in diabetic ulcers.

D-JBD19 is a non-permeable peptide. D-JBD19 has neuroprotective effects.

Gliadin p31-43 is an undigested gliadin peptide. Gliadin p31-43 induces an innate immune response in the intestine and interferes with endocytic trafficking. Gliadin p31-43 can be used for celiac disease research.

Oxytocin parallel dimer is the disulfide-bridged homo peptide dimer. Oxytocin dimer has oxytocin and vasopressin-like activity with less toxic than oxytocin.

[Asp5]-Oxytocin is the first 5-position neurohypophyseal hormone analogue possessing significant biological activity. [Asp5]-Oxytocin causes uterine contractions in vitro, enhanced by Mg2+. [Asp5]-Oxytocin has the ability of rat uteroconstrictor, avian vasodilator, and rat antidiuretic.

Oxytocin antiparallel dimer is the disulfide-bridged homo peptide dimer. Oxytocin dimer has oxytocin and vasopressin-like activity with less toxic than oxytocin.

N-Acetyl-Ile-Glu-Pro-Asp-p-nitroanilide (Ac-IEPD-pNA) is a granzyme B substrate that allows accurate measurement of granzyme B activity.

Mad1 (6-21) is the 6-21 fragment of Mad1 protein. Mad1 (6-21) binds to mammalian Sin3A PAH2 with a Kd of ~29 nM.

DA-JC4 is a dual GLP-1/GIP receptor agonist and can be used for the research of neurological disease and insulin signaling pathways.

MM 419447, a linaclotide metabolite, is a guanylate cyclase-C agonist. MM 419447 has the potential for the research of the irritable bowel syndrome with constipation (IBS-C).

SDKPDMAEIEKFDKSK is a peptide derived from thymosin β4 (Tβ4).

Sialylglycopeptide is a complex N-glycan, bearing a short peptide fragment. Sialylglycopeptide, as a starting material for the semi-synthesis of N-glycans, can be used for various researches.

MR 409 is a selected growth hormone-releasing hormone (GHRH) agonist. MR 409 has remarkable neuroprotective effects through enhancing endogenous neurogenesis in cerebral ischemic mice. MR 409 also inhibits the in vivo growth of lung cancer.

Tetrapeptide-30 is a skin-brightening peptide consisting of four amino acids. Tetrapeptide-30 can act as a tyrosinase inhibitor, lightening hyperpigmentation and evening out skin tone by reducing the amount of tyrosinase and inhibiting melanocyte activation.

Ac-SVVVRT-NH2 is a PGC-1α modulator that modulates the activity of the human PGC-1α promoter (114%). Ac-SVVVRT-NH2 increases PGC-1α mRNA (125%) and accumulation of intracellular lipids (128%) in subcutaneous human adipocytes. Ac-SVVVRT-NH2 can be used in the research of diseases which is modulated by PGC-1α.

Argadin is a cyclopentapeptide chitinase inhibitor. Argadin inhibits chitinase B (ChiB) with a Ki value of 20 nM. Argadin can be used for the research of fungicid and insecticid.

Iseganan is an antimicrobial peptide, shows broad-spectrum anti-bacteria and fungi activity. Iseganan can be used in oral mucositis research.

Brain Derived Basic Fibroblast Growth Factor (1-24) (FGF basic 1-24) is a synthetic peptide, shows anti-bacterial and anti-HBV activities. Brain Derived Basic Fibroblast Growth Factor (1-24) can be used in infection disease and immune disease research.

Ac-[Nle4,D-Phe7]-α-MSH (4-10)-NH2 is a melanotropin, a melanocyte-stimulating hormone. Ac-[Nle4,D-Phe7]-α-MSH (4-10)-NH2 stimulates tyrosinase and exhibits thermoregulatory effect in rats model.

[Tyr8] Bradykinin is a B2 kinin receptor agonist. [Tyr8] Bradykinin also stimulates ERK1/2 phosphorylation. [Tyr8] Bradykinin can be used as an internal standard.

Mca-Pro-Leu-Gly-Pro-D-Lys(Dnp) is a FRET substrate of Thimet oligopeptidase. Mca-Pro-Leu-Gly-Pro-D-Lys(Dnp) can be used for the determination of Thimet oligopeptidase activity.

Tyrosinase (206-214), human (AFLPWHRLF), a 9-amino acid peptide, is a tyrosinase epitope. Tyrosinase (206-214), human can be recognized by HLA-A24 restricted, tumor-infiltrating lymphocytes (TIL).

Casein Kinase 2 Substrate Peptide is a common CK2 substrate peptide. Casein Kinase 2 Substrate Peptide is synthesized with its C-terminus conjugated to 5-[(2-aminoethyl)amino]naphthalene-1-sulfonic acid (EDANS). Casein Kinase 2 Substrate Peptide can be used for protein kinase CK2 activity determination.

Asp-Asp-Asp-Asp-Asp-Asp is a polyaspartic acid. The specificity of the catalytic and antigenic sites of influenza virus neuraminidase is related to the number of specific amino acids.

Cecropin A (1-7)-Melittin A (2-9) is an antimicrobial peptide with antimicrobial activity against a broad spectrum of Gram-positive and Gram-negative aerobic bacteria, as well as antimalarial activity, without the adverse hemolytic properties of bee venom peptides.

Arg-Gly-Tyr-Ser-Leu-Gly is corresponding to the sequence of residues from 21 through 26 in lysozyme. Arg-Gly-Tyr-Ser-Leu-Gly can be used as a substrate for the protein kinase, and phosphorylated at serine residue by protein kinase.

(Glu2)-TRH, a metabolically stable analogue of Thyrotropin-releasing hormone (TRH), is a negative modulator for the cholinergic effect of TRH in the mouse brain. (Glu2)-TRH significantly attenuates TRH-induced hippocampal extracellular acetylcholine release. (Glu2)-TRH is not metabolized by thyroliberinase. (Glu2)-TRH manifests neuroprotective, antidepressant, anticonvulsant in the CNS.

16-38-Thymosin β4 (cattle) is a Ca2+-independent MLCK activator with high affinity.

Phe-Pro-Ala-pNA is a chromogenic substrate of tripeptidyl peptidase. Phe-Pro-Ala-pNA can be used to test tripeptidyl peptidase activity.

Suc-AAPK-pNA is a chromogenic substrate for the determination of serine/threonine kinase activity and enzyme kinetic parameters.

(D-His2,D-Trp6)-LHRH ((D-His2)-Triptorelin) is a polypeptide that can be found by peptide screening. Peptide screening is a research tool that pools active peptides primarily by immunoassay. Peptide screening can be used for protein interaction, functional analysis, epitope screening, especially in the field of agent research and development.