Chains and heterogens:
PDB Chain Sequences:
>1v3kA (A:) apdtsvsnkqnfstdviyqiftdrfsdgnpannptgaafdgsctnlrlycggdwqgiink indgyltgmgitaiwisqpveniysvinysgvnntayhgywardfkktnpaygtmqdfkn lidtahahnikviidfapnhtspassddpsfaengrlydngnllggytndtqnlfhhygg tdfstiengiyknlydladlnhnnssvdvylkdaikmwldlgvdgirvdavkhmpfgwqk sfmatinnykpvftfgewflgvneispeyhqfanesgmslldyrfaqkarqvfrdntdnm yglkamlegsevdyaqvndqvtfidnhdmerfhtsngdrrkleqalaftltsrgvpaiyy gseqymsggndpdnrarlpsfsttttayqviqklaplrksnpaiaygstherwinndvii yerkfgnnvavvainrnmntpasitglvtslprgsyndvlggilngntltvgaggaasnf tlapggtavwqyttdattpiignvgpmmakpgvtitidgrgfgsgkgtvyfgttavtgad ivawedtqiqvkipavpggiydirvanaagaasniydnfevltgdqvtvrfvinnattal gqnvfltgnvselgnwdpnnaigpmynqvvyqyptwyydvsvpagqtiefkflkkqgstv twegganrtfttptsgtatvnvnwqp
>1v3kB (B:) apdtsvsnkqnfstdviyqiftdrfsdgnpannptgaafdgsctnlrlycggdwqgiink indgyltgmgitaiwisqpveniysvinysgvnntayhgywardfkktnpaygtmqdfkn lidtahahnikviidfapnhtspassddpsfaengrlydngnllggytndtqnlfhhygg tdfstiengiyknlydladlnhnnssvdvylkdaikmwldlgvdgirvdavkhmpfgwqk sfmatinnykpvftfgewflgvneispeyhqfanesgmslldyrfaqkarqvfrdntdnm yglkamlegsevdyaqvndqvtfidnhdmerfhtsngdrrkleqalaftltsrgvpaiyy gseqymsggndpdnrarlpsfsttttayqviqklaplrksnpaiaygstherwinndvii yerkfgnnvavvainrnmntpasitglvtslprgsyndvlggilngntltvgaggaasnf tlapggtavwqyttdattpiignvgpmmakpgvtitidgrgfgsgkgtvyfgttavtgad ivawedtqiqvkipavpggiydirvanaagaasniydnfevltgdqvtvrfvinnattal gqnvfltgnvselgnwdpnnaigpmynqvvyqyptwyydvsvpagqtiefkflkkqgstv twegganrtfttptsgtatvnvnwqp