>2nxyB (B:) SEQRES residues
mkkvvlgkkgdtveltctasqkksiqfhwknsnqikilgnqgsfltkgpsklndradsrr
slwdqgnfpliiknlkiedsdtyicevedqkeevqllvfgltansdthllqgqsltltle
sppgsspsvqcrsprgkniqggktlsvsqlelqdsgtwtctvlqnqkkvefkidivvlaf
qkas