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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IL-1 beta, Human
IL-1 beta, Human

Item number: CR-C01002-100UG

Sequence: MASAPVRSLN CTLRDSQQKS LVMSGPYELK ALHLQGQDME QQVVFSMSFV QGEESNDKIP VALGLKEKNL YLSCVLKDDK PKNYPKKKME KRFVFNKIEI NNKLEFESAQ FPNWYISTSQ AENMPVFLGG TKGGQDITDF with polyhistidine tag at the C-terminus Endotoxin level: <0.1 EU per 1 µg of the protein by the LAL method. Protein function: Potent proinflammatory...
Keywords: IL1F2, Catabolin, IL-1 beta, Interleukin-1 beta
Application: Cell culture
Expressed in: E.coli
Origin: human
From 108.00€ *
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Croyez GMP(R) IL-1 beta, Human
Croyez GMP(R) IL-1 beta, Human

Item number: CR-C01002-GMP-100

Sequence: MASAPVRSLN CTLRDSQQKS LVMSGPYELK ALHLQGQDME QQVVFSMSFV QGEESNDKIP VALGLKEKNL YLSCVLKDDK KNYPKKKMEK RFVFNKIEIN NKLEFESAQF PNWYISTSQA ENMPVFLGGT KGGQDITDFT with polyhistidine tag at the C-terminus Endotoxin level: <0.1 EU per 1 µg of the protein by the LAL method. Protein function: Potent proinflammatory...
Keywords: IL1F2, Catabolin, IL-1 beta, Interleukin-1 beta
Application: Cell culture
Expressed in: E.coli
Origin: human
From 1,200.00€ *
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IL-1RA, Human
IL-1RA, Human

Item number: CR-C01003-100UG

Sequence: MRPSGRKSSK MQAFRIWDVN QKTFYLRNNQ LVAGYLQGPN VNLEEKIDVV PIEPHALFLG IHGGKMCLSC VKSGDETRLQ ITDLSENRKQ DKRFAFIRSD SGPTTSFESA ACPGWFLCTA MEADQPVSLT NMPDEGVMVT withpolyhistidine tag at the C-terminus Endotoxin level: <0.1 EU per 1 µg of the protein by the LAL method. Protein function: Inhibits the activity of...
Keywords: IRAP, IL1F3, IL1RN, IL-1ra, IL-1RN, ICIL-1RA, Anakinra, IL1 inhibitor, Interleukin-1 receptor antagonist protein
Application: Cell culture
Expressed in: E.coli
Origin: human
From 108.00€ *
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IL-2, Human
IL-2, Human

Item number: CR-C01004-100UG

Sequence: MAPTSSSTKK TQLQLEHLLL DLQMILNGIN NYKNPKLTRM LTFKFYMPKK ATELKHLQCL EEELKPLEEV LNLAQSKNFH LRPRDLISNI LELKGSETTF MCEYADETAT IVEFLNRWIT with polyhistidine tag at the C-terminus Endotoxin level: <0.1 EU per 1 µg of the protein by the LAL method. Protein function: Produced by T-cells in response to antigenic or...
Keywords: IL2, IL-2, TCGF, Aldesleukin, Interleukin-2, T-cell growth factor
Application: Cell culture
Expressed in: E.coli
Origin: human
From 40.00€ *
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Croyez GMP(R) IL-2, Human
Croyez GMP(R) IL-2, Human

Item number: CR-C01004-GMP-100

Sequence: MAPTSSSTKK TQLQLEHLLL DLQMILNGIN NYKNPKLTRM LTFKFYMPKK ATELKHLQCL EEELKPLEEV LNLAQSKNFH LRPRDLISNI ELKGSETTFM CEYADETATI VEFLNRWITF with polyhistidine tag at the C-terminus Endotoxin level: <0.01 EU per 1 µg of the protein by the LAL method. Protein function: Produced by T-cells in response to antigenic or...
Keywords: IL2, IL-2, TCGF, Aldesleukin, Interleukin-2, T-cell growth factor
Application: Cell culture
Expressed in: E.coli
Origin: human
From 903.00€ *
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IL-3, Human
IL-3, Human

Item number: CR-C01005-100UG

Sequence: MAPMTQTTSL KTSWVNCSNM IDEIITHLKQ PPLPLLDFNN LNGEDQDILM ENNLRRPNLE AFNRAVKSLQ NASAIESILK TAAPTRHPIH IKDGDWNEFR RKLTFYLKTL ENAQAQQTTL with polyhistidine tag at the C-terminus Endotoxin level: <0.1 EU per 1 µg of the protein by the LAL method. Protein function: Granulocyte/macrophage colony-stimulating...
Keywords: IL3, MCGF, IL-3, Interleukin-3, Mast cell growth factor, P-cell-stimulating factor, Hematopoietic growth factor,...
Application: Cell culture
Expressed in: E.coli
Origin: human
From 108.00€ *
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Croyez GMP(R) IL-3, Human
Croyez GMP(R) IL-3, Human

Item number: CR-C01005-GMP-100

Sequence: MAPMTQTTSL KTSWVNCSNM IDEIITHLKQ PPLPLLDFNN LNGEDQDILM ENNLRRPNLE AFNRAVKSLQ NASAIESILK NLLPCLPLAT TRHPIHIKDG DWNEFRRKLT FYLKTLENAQ AQQTTLSLAI with polyhistidine tag at the C-terminus Endotoxin level: <0.1 EU per 1 µg of the protein by the LAL method. Protein function: Granulocyte/macrophage...
Keywords: IL3, MCGF, IL-3, Interleukin-3, Mast cell growth factor, P-cell-stimulating factor, Hematopoietic growth factor,...
Application: Cell culture
Expressed in: E.coli
Origin: human
From 2,280.00€ *
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IL-4, Human
IL-4, Human

Item number: CR-C01006-100UG

Sequence: MHKCDITLQE IIKTLNSLTE QKTLCTELTV TDIFAASKNT TEKETFCRAA TVLRQFYSHH EKDTRCLGAT AQQFHRHKQL IRFLKRLDRN LAGLNSCPVK EANQSTLENF LERLKTIMRE with polyhistidine tag at the C-terminus Endotoxin level: <0.1 EU per 1 µg of the protein by the LAL method. Protein function: Participates in at least several B-cell...
Keywords: IL4, IL-4, BSF-1, Binetrakin, Pitrakinra, Interleukin-4, B-cell stimulatory factor 1, Lymphocyte stimulatory factor 1
Application: Cell culture
Expressed in: E.coli
Origin: human
From 104.00€ *
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Croyez GMP(R) IL-4, Human
Croyez GMP(R) IL-4, Human

Item number: CR-C01006-GMP-100

Sequence: MHKCDITLQE IIKTLNSLTE QKTLCTELTV TDIFAASKNT TEKETFCRAA TVLRQFYSHH EKDTRCLGAT AQQFHRHKQL IRFLKRLDRN AGLNSCPVKE ANQSTLENFL ERLKTIMREK with polyhistidine tag at the C-terminus Endotoxin level: <0.1 EU per 1 µg of the protein by the LAL method. Protein function: Participates in at least several B-cell...
Keywords: IL4, IL-4, BSF-1, Binetrakin, Pitrakinra, Interleukin-4, B-cell stimulatory factor 1, Lymphocyte stimulatory factor 1
Application: Cell culture
Expressed in: E.coli
Origin: human
From 1,000.00€ *
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IL-5, Human
IL-5, Human

Item number: CR-C01007-100UG

Sequence: MIPTEIPTSA LVKETLALLS THRTLLIANE TLRIPVPVHK NHQLCTEEIF QGIGTLESQT VQGGTVERLF KNLSLIKKYI DGQKKKCGEE FLDYLQEFLG with polyhistidine tag at the C-terminus Endotoxin level: <0.1 EU per 1 µg of the protein by the LAL method. Protein function: Factor that induces terminal differentiation of late- developing...
Keywords: TRF, IL5, IL-5, Interleukin-5, T-cell replacing factor, B-cell differentiation factor I, Eosinophil differentiation factor
Application: Cell culture
Expressed in: E.coli
Origin: human
From 108.00€ *
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IL-6, Human
IL-6, Human

Item number: CR-C01008-100UG

Sequence: MVPPGEDSKD VAAPHRQPLT SSERIDKQIR YILDGISALR KETCNKSNMC ESSKEALAEN NLNLPKMAEK DGCFQSGFNE ETCLVKIITG FEVYLEYLQN RFESSEEQAR AVQMSTKVLI QFLQKKAKNL DAITTPDPTT NASLLTKLQA QNQWLQDMTT HLILRSFKEF LQSSLRALRQ with polyhistidine tag at the C-terminus Endotoxin level: <0.1 EU per 1 µg of the protein by the LAL method....
Keywords: CDF, IL-6, IFNB2, BSF-2, IFN-beta-2, Interleukin-6, Interferon beta-2, Hybridoma growth factor, CTL differentiation...
Application: Cell culture
Expressed in: E.coli
Origin: human
From 108.00€ *
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Croyez GMP(R) IL-6, Human
Croyez GMP(R) IL-6, Human

Item number: CR-C01008-GMP-100

Sequence: MVPPGEDSKD VAAPHRQPLT SSERIDKQIR YILDGISALR KETCNKSNMC ESSKEALAEN NLNLPKMAEK DGCFQSGFNE ETCLVKIITG EVYLEYLQNR FESSEEQARA VQMSTKVLIQ FLQKKAKNLD AITTPDPTTN ASLLTKLQAQ NQWLQDMTTH LILRSFKEFL with polyhistidine tag at the C-terminus Endotoxin level: <0.1 EU per 1 µg of the protein by the LAL method. Protein...
Keywords: CDF, IL-6, IFNB2, BSF-2, IFN-beta-2, Interleukin-6, Interferon beta-2, Hybridoma growth factor, CTL differentiation...
Application: Cell culture
Expressed in: E.coli
Origin: human
From 1,000.00€ *
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5 from 6745 pages