CXCL2 GI:4504155 chemokine (C-X-C motif) ligand 2 1 maratlsaap snprllrval lllllvaasr raagaplate lrcqclqtlq 50 51 gihlkniqsv kvkspgphca qteviatlkn gqkaclnpas pmvkkiiekm 100 101 lkngksn