Chains and heterogens:
PDB Chain Sequences:
>1fhvA (A:) gsamrsaqvyrwqipmdagvvlrdrrlktrdglyvclregeregwgeisplpgfsqetwe eaqsvllawvnnwlagdcelpqmpsvafgvscalaeltdtlpqaanyraaplcngdpddl ilkladmpgekvakvkvglyeavrdgmvvnllleaipdlhlrldanrawtplkgqqfaky vnpdyrdriafleepcktrddsrafaretgiaiawdeslrepdfafvaeegvravvikpt ltgslekvreqvqaahalgltavisssiesslgltqlariaawltpdtipgldtldlmqa qqvrrwpgstlpvvevdalerll
>1fhvA (A:) gsamrsaqvyrwqipmdagvvlrdrrlktrdglyvclregregwgeisplpgfsqetwee aqsvllawvnnwlagdcelpqmpsvafgvscalaeltdtlpqaanyraaplcngdpddli lkladmpgekvakvkvglyeavrdgmvvnllleaipdlhlrldanrawtplkgqqfakyv npdyrdriafleepcktrddsrafaretgiaiawdeslrepdfafvaeegvravvikptl tgslekvreqvqaahalgltavisssiesslgltqlariaawltpdtipgldtldlmqaq qvrrwpgstlpvvevdalerll