Chains and heterogens:
PDB Chain Sequences:
>1ribA (A:) ayttfsatkndqlkepmffgqpvqvarydqqkydifekliekqlsffwrpeevdvsrdri dyqalpehekhifisnlkyqtlldsiqgrspnvallplisipeletwvetwafsetihsr sythiirnivndpsvvfddivtneqiqkraegissyydeliemtsywhllgegthtvngk tvtvslrelkkklylclmsvnaleairfyvsfacsfafaerelmegnakiirliardeal hltgtqhmlnllrsgaddpemaeiaeeckqecydlfvqaaqqekdwadylfrdgsmigln kdilcqyveyitnirmqavgldlpfntrsnpipwintwlv
>1ribB (B:) ayttfsatkndqlkepmffgqpvqvarydqqkydifekliekqlsffwrpeevdvsrdri dyqalpehekhifisnlkyqtlldsiqgrspnvallplisipeletwvetwafsetihsr sythiirnivndpsvvfddivtneqiqkraegissyydeliemtsywhllgegthtvngk tvtvslrelkkklylclmsvnaleairfyvsfacsfafaerelmegnakiirliardeal hltgtqhmlnllrsgaddpemaeiaeeckqecydlfvqaaqqekdwadylfrdgsmigln kdilcqyveyitnirmqavgldlpfntrsnpipwintwlv