Description: Chemotactic for human polymorphonuclear leukocytes but does not induce chemokinesis or an oxidative burst. (www.uniprot.org) Produced in E.coli as a single, non-glycosylated, polypeptide chain containing 73 amino acids. CXCL2 is 90% identical in amino acid sequence as a related chemokine, CXCL1.