RecombinantGCP-2/CXCL6, Human

Granulocyte chemotactic protein 2 (GCP-2) also known as Chemokine (C-X-C motif) ligand 6 (CXCL6) is a small cytokine belonging to the CXC chemokine family. As its former name suggests, GCP-2 is a chemoattractant for neutrophilic granulocytes. Among human CXC chemokines, GCP2 is most closely related to ENA78 (78% amino acid (aa) sequence identity in the mature peptide region and 86% identity in the signal sequence) . The structure and sequence of the genes for human GCP2 and ENA78 also exhibit close similarity suggesting the two genes may have originated from a gene duplication. GCP2 can signal through the CXCR1 and CXCR2 receptors.Recombinant human GCP-2/CXCL6 produced in CHO cells is a polypeptide chain containing 72 amino acids. A fully biologically active molecule, rhGCP-2/CXCL6 has a molecular mass of 9 kDa analyzed by reducing SDS-PAGE and is obtained by chromatographic techniques at GenScript.

Product Specifications

CAS Number

9000-83-3

Endotoxin

< 0.2 EU/μg, determined by LAL method.

Purity

> 98% as analyzed by SDS-PAGE.

Bioactivity

The EC50 value of human GCP-2/CXCL6 on Caˆ2+ mobilization assay in CHO-K1/ Gα15/hCXCR2 cells (human Gα15 and human CXCR2 stably expressed in CHO-K1 cells) is less than 0.8 μg/ml.

Reconstitution

Reconstituted in ddH2O or PBS at 100 μg/ml.

Molecular Weight

9 kDa, observed by reducing SDS-PAGE.

Storage Conditions

Lyophilized recombinant human GCP-2/CXCL6 remains stable up to 6 months at -80°C from date of receipt. Upon reconstitution, human GCP-2/CXCL6 should be stable up to 1 week at 4°C or up to 2 months at -20°C.