Chains and heterogens:
PDB Chain Sequences:
>1an0A (A:) mqtikcvvvgdgavgktcllisyttnkfpseyvptvfdnyavtvmiggepytlglfdtag qedydrlrplsypqtdvflvcfsvvspssfenvkekwvpeithhcpktpfllvgtqidlr ddpstieklaknkqkpitpetaeklardlkavkyvecsaltqkglknvfdeailaalepp epkksrrcvl
>1an0A (A:) mqtikcvvvgdgavgktcllisyttnkfpseyvptvfdnyavtvmiggepytlglfdtag qedydrlrplsypqtdvflvcfsvvspssfenvkekwvpeithhcpktpfllvgtqidlr ddpstieklaknkqkpitpetaeklardlkavkyvecsaltqkglknvfdeailaalepp epkksrrcv
>1an0B (B:) mqtikcvvvgdgavgktcllisyttnkfpseyvptvfdnyavtvmiggepytlglfdtag qedydrlrplsypqtdvflvcfsvvspssfenvkekwvpeithhcpktpfllvgtqidlr ddpstieklaknkqkpitpetaeklardlkavkyvecsaltqkglknvfdeailaalepp epkksrrcvl
>1an0B (B:) mqtikcvvvgdgavgktcllisyttnkfpseyvptvfdnyavtvmiggepytlglfdtag qedydrlrplsypqtdvflvcfsvvspssfenvkekwvpeithhcpktpfllvgtqidlr ddpstieklaknkqkpitpetaeklardlkavkyvecsaltqkglknvfdeailaaleep kksrrcv