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GRO b Mouse
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GRO-Beta Mouse Recombinant
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CHM-338
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Catalogue number
CHM-338
Synonyms
Macrophage inflammatory protein 2-alpha, MIP2-alpha, CXCL2, Growth- regulated protein beta, Gro-beta, chemokine ligand 2, GRO2, GROb, MIP2, MIP2A, SCYB2, MGSA-b, MIP-2a, CINC-2a, MGSA beta.
Introduction
趋化因子配体 2 是属于 CXC 趋化因子家族的一种小细胞因子,也称为巨噬细胞炎症蛋白 2-α、生长调节蛋白 β 和 Gro oncogene-2。 CXCL2 在氨基酸序列上与相关趋化因子 CXCL1 有 90% 相同。 这种趋化因子由单核细胞和巨噬细胞分泌,对多形核白细胞和造血干细胞具有趋化作用。 CXCL2 的基因位于人类 4 号染色体上的其他 CXC 趋化因子簇中。 CXCL2 通过与称为 CXCR2 的细胞表面趋化因子受体相互作用来动员细胞。
Description
GRO-Beta Mouse Recombinant also caled mouse MIP-2 produced in E.Coli is a single,non-glycosylated, polypeptide chain containing 73 amino acids and having a molecular mass of 7849 Dalton.
The CXCL2 is purified by proprietary chromatographic techniques.
The CXCL2 is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Physical Appearance
Sterile Filtered White lyophilized powder.
Formulation
The protein was lyophilized from a concentrated solution in 20mM PB, pH 7.4, 150mM NaCl.
Solubility
It is recommended to reconstitute the lyophilized GRO-beta Mouse in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Stability
Lyophilized CXCL2 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CXCL2 should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein .
Please prevent freeze-thaw cycles.
Please prevent freeze-thaw cycles.
Purity
Greater than 97.0% as determined by:
Analysis by RP-HPLC.
Analysis by -PAGE.
Analysis by RP-HPLC.
Analysis by -PAGE.
Amino acid sequence
AVVASELRCQ CLKTLPRVDF KNIQSLSVTP PGPHCAQTEV IATLKGGQKV CLDPEAPLVQ KIIQKILNKG KAN.
Biological Activity
The Biological activity was determined by its ability to chemoattract total human neutrophils using a concentration range of 1.0-10.0 ng/ml, corresponding to a specific activity of 105-106units/mg.
Protein content
Protein quantitation was carried out by two independent methods:
1. UV spectroscopy at 280 nm using the absorbency value of 0.015 as the extinction coefficient for a 0.1% solution. This value is calculated by the PC GENE computer analysis program of protein sequences .
2. Analysis by RP-HPLC, using a standard solution of GRO-b as a Reference Standard.
1. UV spectroscopy at 280 nm using the absorbency value of 0.015 as the extinction coefficient for a 0.1% solution. This value is calculated by the PC GENE computer analysis program of protein sequences .
2. Analysis by RP-HPLC, using a standard solution of GRO-b as a Reference Standard.
Usage
Prospec’s products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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