>1extA (A:) SEQRES residues
svcpqgkyihpqnnsicctkchkgtylyndcpgpgqdtdcrecesgsftasenhlrhcls
cskcrkemgqveissctvdrdtvcgcrknqyrhywsenlfqcfncslclngtvhlscqek
qntvctchagfflrenecvscsnckkslectklclpqien