>4nanA (A:) observed residues (from ATOM records) eksvsvillagpkqyipllgqpialysfftfsrmpevkeivvvcdpffrdifeeyeesid vdlsfaipgkerqdsvysglqeidvnselvcihdsarplvntedvekvlkdgsavgaavl gvpakatikevnsdslvvktlwemqtpqvikpellkkgfelvkseglevtddvsiveylk hpvyvsqgsytnikvttpddlllaeril