>1q40B (B:) observed residues (from ATOM records) srnlatnfianylklwdanrselmilyqnesqfsmqvdsshphliesgstdfgyylnnsr nltrvssikarmaklsigqeqiyksfqqlpktrhdiiatpelfsmevykfptlngimitl hgsfdevaqpevdgsasryhsgpkhkriplskksfdrtfvvipgsmivasdtllirpyts dfpwkv