>2q41B (B:) observed residues (from ATOM records)
acfstvipgwfsemspmwpgeahslkvekvlfqgksdyqdvivfqsatygkvlvldgviq
lterdecayqemithlplcsipnpkkvlvigggdggvlrevarhasieqidmceidkmvv
dvskqffpdvaigyedprvnlvigdgvaflknaaegsydavivdssdpigpakelfekpf
fqsvaralrpggvvctqaeslwlhmdiiedivsncreifkgsvnyawtsvptypsgvigf
mlcstegpdvdfkhplnpigplkfynaeihsaafclpsfakkvie