>1ft4B (B:) SEQRES residues mdsvcpqgkyihpqnnsicctkchkgtylyndcpgpgqdtdcrecesgsftasenhlrhc lscskcrkemgqveissctvdrdtvcgcrknqyrhywsenlfqcfncslclngtvhlscq ekqntvctchagfflrenecvscsnckkslectklclpqien