Purity ~95% (SDS-PAGE). CTACK is a chemotactic factor that attracts skin-associated memory T-lymphocytes. CTACK is involved in mediating homing of lymphocytes to cutaneous sites. CTACK binds to CCR10. Source: Recombinant protein corresponding to human CTACK, a single, non-glycosylated, polypeptide chain containing 89aa (aa25-112), expressed in E. coli. Molecular Weight: ~10.3kD AA Sequence: MFLLPPSTAC CTQLYRKPLS DKLLRKVIQV ELQEADGDCH LQAFVLHLAQ RSICIHPQNP SLSQWFEHQE RKLHGTLPKL NFGMLRKMG