Chains and heterogens:
PDB Chain Sequences:
>1s9iA (A:) eafltqkakvgelkdddferiselgagnggvvtkvqhrpsglimarklihleikpairnq iirelqvlhecnspyivgfygafysdgeisicmehmdggsldqvlkeakripeeilgkvs iavlrglaylrekhqimhrdvkpsnilvnsrgeiklcdfgvsgqlidsmansfvgtrsym aperlqgthysvqsdiwsmglslvelavgrypipppdakeleaifgrpvvdgeegephsi sprprppgrpvsghgmdsrpamaifelldyivnepppklpngvftpdfqefvnkcliknp aeradlkmltnhtfikrseveevdfagwlcktlrlnqpgtptrtavlehhhhhh
>1s9iA (A:) qkakvgelkdddferiselgagnggvvtkvqhrpsglimarklihleikpairnqiirel qvlhecnspyivgfygafysdgeisicmehmdggsldqvlkeakripeeilgkvsiavlr glaylrekhqimhrdvkpsnilvnsrgeiklcdfgvsgqlidsmvgtrsymaperlqgth ysvqsdiwsmglslvelavgrypipppdakeleaifgrpvvdrpamaifelldyivnepp pklpngvftpdfqefvnkcliknpaeradlkmltnhtfikrseveevdfagwlcktlrln qpg
>1s9iB (B:) eafltqkakvgelkdddferiselgagnggvvtkvqhrpsglimarklihleikpairnq iirelqvlhecnspyivgfygafysdgeisicmehmdggsldqvlkeakripeeilgkvs iavlrglaylrekhqimhrdvkpsnilvnsrgeiklcdfgvsgqlidsmansfvgtrsym aperlqgthysvqsdiwsmglslvelavgrypipppdakeleaifgrpvvdgeegephsi sprprppgrpvsghgmdsrpamaifelldyivnepppklpngvftpdfqefvnkcliknp aeradlkmltnhtfikrseveevdfagwlcktlrlnqpgtptrtavlehhhhhh
>1s9iB (B:) tqkakvgelkdddferiselgagnggvvtkvqhrpsglimarklihleikpairnqiire lqvlhecnspyivgfygafysdgeisicmehmdggsldqvlkeakripeeilgkvsiavl rglaylrekhqimhrdvkpsnilvnsrgeiklcdfgvsgqlidsmtrsymaperlqgthy svqsdiwsmglslvelavgrypipppdakeleaifgrmaifelldyivnepppklpngvf tpdfqefvnkcliknpaeradlkmltnhtfikrseveevdfagwlcktlrl