>1xyyA (A:) SEQRES residues makalivygsttgnteytaetiareladagyevdsrdaasveagglfegfdlvllgcstw gddcielqddfiplfdsleetgaqgrkvacfgcgdssyeyfcgavdaieeklknlgaeiv qdglridgdpraarddivgwahdvrgai