Chains and heterogens:
PDB Chain Sequences:
>1fchA (A:) meferaksaiesdvdfwdklqaeleemakrdaeahpwlsdyddltsatydkgyqfeeenp lrdhpqpfeeglrrlqegdlpnavllfeaavqqdpkhmeawqylgttqaeneqellaisa lrrclelkpdnqtalmalavsftneslqrqaceilrdwlrytpayahlvtpaeegaggag lgpskrilgsllsdslflevkelflaavrldptsidpdvqcglgvlfnlsgeydkavdcf taalsvrpndyllwnklgatlangnqseeavaayrralelqpgyirsrynlgiscinlga hreavehflealnmqrksrgprgeggamseniwstlrlalsmlgqsdaygaadardlstl ltmfglpq
>1fchA (A:) satydkgyqfeeenplrdhpqpfeeglrrlqegdlpnavllfeaavqqdpkhmeawqylg ttqaeneqellaisalrrclelkpdnqtalmalavsftneslqrqaceilrdwlrytpay ahlvtrilgsllsdslflevkelflaavrldptsidpdvqcglgvlfnlsgeydkavdcf taalsvrpndyllwnklgatlangnqseeavaayrralelqpgyirsrynlgiscinlga hreavehflealnmqrksggamseniwstlrlalsmlgqsdaygaadardlstlltmfgl pq
>1fchB (B:) meferaksaiesdvdfwdklqaeleemakrdaeahpwlsdyddltsatydkgyqfeeenp lrdhpqpfeeglrrlqegdlpnavllfeaavqqdpkhmeawqylgttqaeneqellaisa lrrclelkpdnqtalmalavsftneslqrqaceilrdwlrytpayahlvtpaeegaggag lgpskrilgsllsdslflevkelflaavrldptsidpdvqcglgvlfnlsgeydkavdcf taalsvrpndyllwnklgatlangnqseeavaayrralelqpgyirsrynlgiscinlga hreavehflealnmqrksrgprgeggamseniwstlrlalsmlgqsdaygaadardlstl ltmfglpq
>1fchB (B:) kgyqfeeenplrdhpqpfeeglrrlqegdlpnavllfeaavqqdpkhmeawqylgttqae neqellaisalrrclelkpdnqtalmalavsftneslqrqaceilrdwlrytpayahlvt prilgsllsdslflevkelflaavrldptsidpdvqcglgvlfnlsgeydkavdcftaal svrpndyllwnklgatlangnqseeavaayrralelqpgyirsrynlgiscinlgahrea vehflealnmqrksgamseniwstlrlalsmlgqsdaygaadardlstlltmfglpq