>2nxyB (B:) observed residues (from ATOM records) kkvvlgkkgdtveltctasqkksiqfhwknsnqikilgnqgsfltkgpsklndradsrrs lwdqgnfpliiknlkiedsdtyicevedqkeevqllvfgltansdthllqgqsltltles ppgsspsvqcrsprgkniqggktlsvsqlelqdsgtwtctvlqnqkkvefkidivvlafq k