>4nalA (A:) observed residues (from ATOM records)
meksvsvillaggpkqyipllgqpialysfftfsrmpevkeivvvcdpffrdifeeyees
idvdlsfaipgkerqdsvysglqeidvnselvcihdsarplvntedvekvlkdgsavgaa
vlgvpakatikevnsdslvvkttlwemqtpqvikpellkkgfelvkseglevtddvsive
ylkhpvyvsqgsytnikvttpddlllaerilse