Chains and heterogens:
PDB Chain Sequences:
>1biqA (A:) ayttfsqtkndqlkepmffgqpvnvarydqqkydifekliekqlsffwrpeevdvsrdri dyqalpehekhifisnlkyqtlldsiqgrspnvallplisipeletwvetwafsetihsr sfthiirnivndpsvvfddivtneqiqkraegissyydeliemtsywhllgegthtvngk tvtvslrelkkklylclmsvnaleairfyvsfacsfafaerelmegnakiirliardaal hltgtqhmlnllrsgaddpemaeiaeeckqecydlfvqaaqqekdwadylfrdgsmigln kdilcqyveyitnirmqavgldlpfqtrsnpipwintwlv
>1biqB (B:) ayttfsqtkndqlkepmffgqpvnvarydqqkydifekliekqlsffwrpeevdvsrdri dyqalpehekhifisnlkyqtlldsiqgrspnvallplisipeletwvetwafsetihsr sfthiirnivndpsvvfddivtneqiqkraegissyydeliemtsywhllgegthtvngk tvtvslrelkkklylclmsvnaleairfyvsfacsfafaerelmegnakiirliardaal hltgtqhmlnllrsgaddpemaeiaeeckqecydlfvqaaqqekdwadylfrdgsmigln kdilcqyveyitnirmqavgldlpfqtrsnpipwintwlvs