Chains and heterogens:
PDB Chain Sequences:
>1fhuA (A:) mrsaqvyrwqipmdagvvlrdrrlktrdglyvclregeregwgeisplpgfsqetweeaq svllawvnnwlagdcelpqmpsvafgvscalaeltdtlpqaanyraaplcngdpddlilk ladmpgekvakvkvglyeavrdgmvvnllleaipdlhlrldanrawtplkgqqfakyvnp dyrdriafleepcktrddsrafaretgiaiawdeslrepdfafvaeegvravvikptltg slekvreqvqaahalgltavisssiesslgltqlariaawltpdtipgldtldlmqaqqv rrwpgstlpvvevdalerll
>1fhuA (A:) mrsaqvyrwqipmdlktrdglyvclregeregwgeisplpgfsqetweeaqsvllawvnn wlagdcelpqmpsvafgvscalaeltdtlpqaanyraaplcngdekvakvkvglyeavrd gmvvnllleaipdlhlrldanrawtplkgqqfakyvnpdyrdriafleepcktrddsraf aretgiaiawdeslrepdfafvaeegvravvikptltgslekvreqvqaahalgltavis ssiesslgltqlariaawltpdtipgldtldlmqaqqvrrwpgstlpvvevdalerll