>7cn7A (A:) observed residues (from ATOM records)
eiptddnpnmsmaemlrrdeglrlkvywdtegyptigighlimkqpvrdmaqinkvlskq
vgreitgnpgsitmeeattlferdladmqrdikshskvgpvwqavnrsrqmalenmafqm
gvggvakfntmltamlagdwekaykagrdslwyqqtkgrasrvtmiiltgnlesygve