>2oy4F (F:) observed residues (from ATOM records) pkwertnltyrirnytpqlseaeveraikdafelwsvaspliftrisqgeadiniafyqr dhgdnspfdgpngilahafqpgqgiggdahfdaeetwtntsanynlflvaahefghslgl ahssdpgalmypnyafretsnyslpqddidgiqaiyg