>4xwsB (B:) SEQRES residues
gamaqlaaplkvgaiytigpylfphlipqlhrvapqmplyieenfthilrdklrtgelda
iiialpfqeadvltkplfdepfyvlmpadhpwtakasidsellndksllllgeghdfrdq
vleacptvrkgdenkhttvesssletirhmvasglgvsvlpfsavdshhyapgvievrpf
sapvpfrtvaiawrasfprpraievladsirlcsvarpqtqeqpqia