>4naiA (A:) observed residues (from ATOM records)
ksvsvillagpkqyipllgqpialysfftfsrmpevkeivvvcdpffrdifeeyeesidv
dlrfaipgkerqdsvysglqeidvnselvcihdsarplvntedvekvlkdgsavgaavlg
vpakatikevnsdslvvktldrktlwemqtpqvikpellkkgfelvkseglevtddvsiv
eylkhpvyvsqgsytnikvttpddlllaerilse