>1yfhB (B:) observed residues (from ATOM records)
cemkrttldsplgklelsgceqglheikllgvpapaavlggpeplmqctawlnayfhqpe
aieefpvpalhhpvfqqesftrqvlwkllkvvkfgevisyqqlaalagnpkaaravggam
rgnpvpilipchrvvcssgavgnysgglavkewllaheghr