>4ndcB (B:) observed residues (from ATOM records) lsdfqrnkilrvfntfydcnhdgviewddfelaikkicnlhswptdgkkhnearatlkli wdglrkyadenedeqvtkeewlkmwaecvksvekgeslpewltkymnfmfdvndtsgdni idkheystvymsygipksdcdaafdtlsdggktmvtreifarlwteyfvsndrgakgnhl fg