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Proteins and Peptides

Proteins are essential components of all living cells, as they fulfill countless biological functions within organisms. These functions comprise, for example, enzyme catalysis, defense against pathogens, transport of molecules, structural maintenance of the cell and regulatory functions. Major protein goups are antibodies, enzymes, cytokines, hormones, signalling peptides, structural components and transport proteins. We offer a broad portfolio of protein products, including recombinant proteins, enzymes, cytokines and peptides, for researchers in molecular biology, cell biology, biochemistry and many other scientific fields. The products can be used for a large variety of investigations and applications, such as protein-protein interaction and protein localisation studies, enzymatic assays, Western blots (e.g. as control) and immunohistochemistry. 

Proteins are essential components of all living cells, as they fulfill countless biological functions within organisms. These functions comprise, for example, enzyme catalysis, defense against... read more »
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Proteins and Peptides

Proteins are essential components of all living cells, as they fulfill countless biological functions within organisms. These functions comprise, for example, enzyme catalysis, defense against pathogens, transport of molecules, structural maintenance of the cell and regulatory functions. Major protein goups are antibodies, enzymes, cytokines, hormones, signalling peptides, structural components and transport proteins. We offer a broad portfolio of protein products, including recombinant proteins, enzymes, cytokines and peptides, for researchers in molecular biology, cell biology, biochemistry and many other scientific fields. The products can be used for a large variety of investigations and applications, such as protein-protein interaction and protein localisation studies, enzymatic assays, Western blots (e.g. as control) and immunohistochemistry. 

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Activin-A, active, human recombinant
Activin-A, active, human recombinant

Item number: 97394.10

Biomol GmbH
Human recombinant Activin-A, active form, produced in E.coli is a homodimeric, non-glycosylated, polypeptide chain containing 2 x 117 amino acids and having a molecular weight of 26.2kDa. Activins are homodimers or heterodimers of the different beta subunit isoforms, part of the TGFbeta family. Mature Activin A has...
Keywords: Inhba, Inhibin beta A, FSH releasing protein.
Application: Cell Culture
Expressed in: E.coli
Origin: human
MW: 26.2 kD
From 94.00€ *
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Vascular Endothelial Growth Factor-165, human recombinant (rHuVEGF-165)
Vascular Endothelial Growth Factor-165, human recombinant...

Item number: 87399.10

Biomol GmbH
Growth factor active in angiogenesis, vasculogenesis and endothelial cell growth. Induces endothelial cell proliferation, promotes cell migration, inhibits apoptosis and induces permeabilization of blood vessels. Binds to the FLT1/VEGFR1 and KDR/VEGFR2 receptors, heparan sulfate and heparin. NRP1/Neuropilin-1 binds...
Keywords: Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609
Application: Cell Culture
Expressed in: E.coli
Origin: human
MW: 38.2 kD
From 94.00€ *
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Sulfo-SMCC (sodium salt)
Sulfo-SMCC (sodium salt)

Item number: Cay35692-100

Cayman
Sulfo-SMCC is a water-soluble protein cross-linking reagent that contains an anime-reactive sulfo-N-hydroxysuccinimide (sulfo-NHS) ester and a sulfhydryl-reactive maleimide group that can be used in the conjugation of proteins. It has been used to conjugate anti-programmed cell death ligand 1 (PD-L1) antibodies to...
Keywords: Sulfosuccinimidyl 4-(N-maleimidomethyl)cyclohexane-1-carboxylate,...
Application: Water-soluble protein cross-linking reagent
CAS 92921-24-9
MW: 436.4 D
From 92.00€ *
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LL-37 (13-37) (human) (trifluoroacetate salt)
LL-37 (13-37) (human) (trifluoroacetate salt)

Item number: Cay36949-1

Cayman
LL-37 (13-37) is an anticancer peptide fragment of LL-37 (Cay-24461). It inhibits the ATPase activity of ATP-binding cassette transporter 2, subfamily G (ABCG2) when used at a concentration of 1 µM. LL-37 (13-37) induces cytotoxicity in wild-type SW620 cells and SW620 cells overexpressing P-glycoprotein (P-gp), also...
Keywords: CAP-18, Cathelicidin, FALL-39, hCAP-18, IG-25, LL-13, LL-25,...
Application: LL-37 anticancer peptide fragment
MW: 3043.6 D
From 53.00€ *
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CXCL9 (74-103) (human) (trifluoroacetate salt)
CXCL9 (74-103) (human) (trifluoroacetate salt)

Item number: Cay38849-1

Cayman
Chemokine (C-X-C motif) ligand 9 (CXCL9) (74-103) is a C-terminal fragment of mature CXCL9. It binds to the glycosaminoglycan heparin in a cell-free assay (Kd = 3.1 nM). CXCL9 (74-103) inhibits the binding of CXCL8 or CXCL11 to heparin, as well as chemokine (C-C motif) ligand 2 (CCL2) binding to heparan sulfate, in...
Keywords: Chemokine (C-X-C motif) Ligand 9 (74-103), MIG30, Monokine Induced by Interferon-gamma (74-103)
Application: CXCL9-derived peptide
MW: 3661.4 D
From 66.00€ *
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[Ala1,3,11,15]-Endothelin-1 (trifluoroacetate salt)
[Ala1,3,11,15]-Endothelin-1 (trifluoroacetate salt)

Item number: Cay39017-1

Cayman
[Ala1,3,11,15]-Endothelin-1 is an endothelin receptor type B (ETB) agonist and linear synthetic peptide derivative of endothelin-1 in which all four cysteine residues have been substituted with alanine. It selectively binds to ETB over ETA receptors (IC50s = 0.33 and 570 nM, respectively, for the porcine receptors)....
Keywords: [Ala1,3,11,15]-ET-1, 4-Ala-ET-1,...
Application: ETB receptor agonist
MW: 2367.7 D
From 53.00€ *
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Aureobasidin A
Aureobasidin A

Item number: Cay39722-10

Cayman
Aureobasidin A is a cyclic depsipeptide that has been found in A. pullulans and has diverse biological activities. It inhibits inositol phosphorylceramide synthase, an enzyme involved in sphingolipid biosynthesis (Kis = 0.18 and 0.23 for the C. albicans and S. cerevisiae enzymes, respectively). Aureobasidin A also...
Keywords: Antibiotic R 106I, Basifungin, LY295337, NK 204, R 106-1,...
Application: Bioactive cyclic depsipeptide
CAS 127785-64-2
MW: 1101.4 D
From 218.00€ *
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Retatrutide (sodium salt)
Retatrutide (sodium salt)

Item number: Cay39747-1

Cayman
Retatrutide is a triple agonist of the glucagon receptor (GCGR), glucagon-like peptide 1 receptor (GLP-1R), and gastric inhibitory polypeptide receptor (GIP receptor), also known as the glucose-dependent insulinotropic polypeptide receptor. It induces cAMP accumulation in HEK293 cells expressing the human GCGR,...
Keywords: LY3437943,...
Application: GCGR / GLP-1R / GIPR triple agonist
MW: 4731.3 D
From 77.00€ *
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PE 22-28 (acetate)
PE 22-28 (acetate)

Item number: Cay39986-1

Cayman
PE 22-28 is a peptide inhibitor of the two-pore domain potassium channel K2P2.1/TREK1 (IC50 = 0.1 nM in HEK293 cells expressing the human channel) and a fragment of spadin (Cay-36762). It is selective for K2P2.1/TREK1 over K2P10.1 /TREK2, K2P13.1/TRAAK, K2P18.1/TRESK, and K2P3.1/TASK1 in HEK293 cells expressing the...
Keywords: Gly-Val-Ser-Trp-Gly-Leu-Arg-OH, glycyl-L-valyl-L-seryl-L-tryptophylglycyl-L-leucyl-L-arginine, acetate
Application: K2P2.1/TREK1 peptide inhibitor
MW: 773.9 D
From 119.00€ *
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[Asp371]-Tyrosinase (369-377) (human) (trifluoroacetate salt)
[Asp371]-Tyrosinase (369-377) (human) (trifluoroacetate...

Item number: Cay40152-1

Cayman
[Asp371]-Tyrosinase (369-377) is a naturally occurring tyrosinase antigen peptide. It is formed via post-translational modification of Asn371. [Asp371]-Tyrosinase (369-377) binds to MHC class I subtype HLA-A*0201-positive T2 cells (IC50 = 1.2 µg/ml) and induces lysis of HLA-A2.1-positive T2 cells incubated with...
Keywords: [Asp370]-Tyrosinase (368-376), Tyr-Met-Asp-Gly-Thr-Met-Ser-Gln-Val,...
Application: Tyrosinase antigen peptide
MW: 1031.2 D
From 34.00€ *
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K-Ras(G12D) Isoform A (human, recombinant)
K-Ras(G12D) Isoform A (human, recombinant)

Item number: Cay40372-100

Cayman
K-Ras is a small GTPase and member of the RAS family of GTPases with roles in apoptosis, as well as cell proliferation, survival, and migration. K-Ras is composed of a guanine nucleotide-binding domain containing an active site, an effector binding domain, and an isoform-specific C-terminal hypervariable region...
Keywords: KRAS, KRAS2, Ki-Ras, K-Ras 2, c-K-ras, c-Ki-ras, GTPase KRas, GTPase KRas, N-terminally processed
Expressed in: E.coli
Origin: human
MW: 23 kD
448.00€ *
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K-Ras(G12V) Isoform B (human, recombinant)
K-Ras(G12V) Isoform B (human, recombinant)

Item number: Cay40373-100

Cayman
K-Ras is a small GTPase and member of the RAS family of GTPases with roles in apoptosis, as well as cell proliferation, survival, and migration. K-Ras is composed of a guanine nucleotide-binding domain containing an active site, an effector binding domain, and an isoform-specific C-terminal hypervariable region...
Keywords: KRAS, KRAS2, Ki-Ras, K-Ras 2, c-K-ras, c-Ki-ras, GTPase KRas, GTPase KRas, N-terminally processed
Application: Active
Expressed in: Insect cells
Origin: human
MW: 22 kD
448.00€ *
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4 from 6741 pages
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