>2b4cC (C:) observed residues (from ATOM records)
kkvvlgkkgdtveltctasqkksiqfhwknsnqikilgnqgsfltkgpsklndradsrrs
lwdqgnfpliiknlkiedsdtyicevedqkeevqllvfgltansdthllqgqsltltles
ppgsspsvqcrsprgkniqggktlsvsqlelqdsgtwtctvlqnqkkvefkidiv