Chains and heterogens:
PDB Chain Sequences:
>1qpaA (A:) vacpdgvhtasnaaccawfpvlddiqqnlfhggqcgaeahealrmvfhdsiaispklqsq gkfggggadgsiitfssiettyhpnigldevvaiqkpfiakhgvtpgdfiafagavgvsn cpgapqmqfflgrpeatqaapdglvpepfhtidqvlarmldaggfdeietvwllsahsia aandvdptisglpfdstpgqfdsqffvetqlrgtafpgktgiqgtvmsplkgemrlqtdh lfardsrtacewqsfvnnqtklqedfqfiftalstlghdmnamidcsevipapkpvnfgp sffpagkthadieqacastpfptlitapgpsasvarippppspn
>1qpaB (B:) vacpdgvhtasnaaccawfpvlddiqqnlfhggqcgaeahealrmvfhdsiaispklqsq gkfggggadgsiitfssiettyhpnigldevvaiqkpfiakhgvtpgdfiafagavgvsn cpgapqmqfflgrpeatqaapdglvpepfhtidqvlarmldaggfdeietvwllsahsia aandvdptisglpfdstpgqfdsqffvetqlrgtafpgktgiqgtvmsplkgemrlqtdh lfardsrtacewqsfvnnqtklqedfqfiftalstlghdmnamidcsevipapkpvnfgp sffpagkthadieqacastpfptlitapgpsasvarippppspn