>1an0B (B:) observed residues (from ATOM records) mqtikcvvvgdgavgktcllisyttnkfpseyvptvfdnyavtvmiggepytlglfdtag qedydrlrplsypqtdvflvcfsvvspssfenvkekwvpeithhcpktpfllvgtqidlr ddpstieklaknkqkpitpetaeklardlkavkyvecsaltqkglknvfdeailaaleep kksrrcv