platelet factor 4 pf-4 chemokine protein. 3d rendering, atoms are represented as spheres with conventional color coding.

platelet factor pf4 chemokine protein 3d rendering atoms are represented as spheres conventional color coding cxcl4 cytokine ligand activated blood coagulation thrombosis wound repair inflammation heparin complex pdb1rhp structure peptide amino acid molecule polypeptide polymer science scientific disease health molecular model