The CXCL5 protein is critical in neutrophil activation and displays enhanced chemotactic activity on neutrophils, with increased potency of ENA-78 (8-78) and ENA-78 (9-78) isoforms three times. Structurally, CXCL5 exists as monomers and homodimers, emphasizing its multifunctional molecular configuration. Animal-Free ENA-78/CXCL5 Protein, Human (His) is the recombinant human-derived animal-FreeENA-78/CXCL5 protein, expressed by E. coli , with N-His labeled tag. This product is for cell culture use only.