Chains and heterogens:
PDB Chain Sequences:
>1r6wA (A:) shmrsaqvyrwqipmdagvvlrdrrlktrdglyvclregeregwgeisplpgfsqetwee aqsvllawvnnwlagdcelpqmpsvafgvscalaeltdtlpqaanyraaplcngdpddli lkladmpgekvakvrvglyeavrdgmvvnllleaipdlhlrldanrawtplkgqqfakyv npdyrdriafleepcktrddsrafaretgiaiawdeslrepdfafvaeegvravvikptl tgslekvreqvqaahalgltavisssiesslgltqlariaawltpdtipgldtldlmqaq qvrrwpgstlpvvevdalerll
>1r6wA (A:) shmrsaqvyrwqipmdagvvldrrlktrdglyvclregeregwgeisplpgfsqetweea qsvllawvnnwlagdcelpqmpsvafgvscalaeltdtlpqaanyraaplcngdpddlil kladmpgekvakvrvglyeavrdgmvvnllleaipdlhlrldanrawtplkgqqfakyvn pdyrdriafleepcktrddsrafaretgiaiawdeslrepdfafvaeegvravvikptlt gslekvreqvqaahalgltavisssiesslgltqlariaawltpdtipgldtldlmqaqq vrrwpgstlpvvevdalerll