Chains and heterogens:
PDB Chain Sequences:
>1j37A (A:) vtqalvkeeiqakeylenlnkelakrtnveteaawayrsaitdenekkkneisaelakfm kevasdttkfqwrsyqsedlkrqfkaltklgyaalpeddyaelldtlsamesnfakvkvc dykdstkcdlaldpeieevisksrdheelayywrefydkagtavrsqferyvelntkaak lnnftsgaeawldeyeddtfeqqledifadirplyqqihgyvrfrlrkhygdavvsetgp ipmhllgnmwaqqwseiadivspfpekplvdvsaemekqaytplkmfqmgddfftsmnlt klpqdfwdksiiekptdgrdlvchasawdfyliddvrikqctrvtqdqlftvhhelghiq yflqyqhqpfvyrtganpgfheavgdvlslsvstpkhlekigllkdyvrddearinqlfl taldkivflpfaftmdkyrwslfrgevdkanwncafwklrdeysgieppvvrsekdfdap akyhisadveylrylvsfiiqfqfyksacikagqydpdnvelpldncdiygsaragaafh nmlsmgaskpwpdaleafngerimsgkaiaeyfeplrvwleaeniknnvhigwitsnkcv sshhhhh
>1j37A (A:) iqakeylenlnkelakrtnveteaawayrsaitdenekkkneisaelakfmkevasdttk fqwrsyqsedlkrqfkaltklgyaalpeddyaelldtlsamesnfakvkvcdykdstkcd laldpeieevisksrdheelayywrefydkagtavrsqferyvelntkaaklnnftsgae awldeyeddtfeqqledifadirplyqqihgyvrfrlrkhygdavvsetgpipmhllgnm waqqwseiadivspfpekplvdvsaemekqaytplkmfqmgddfftsmnltklpqdfwdk siiekptdgrdlvchasawdfyliddvrikqctrvtqdqlftvhhelghiqyflqyqhqp fvyrtganpgfheavgdvlslsvstpkhlekigllkdyvrddearinqlfltaldkivfl pfaftmdkyrwslfrgevdkanwncafwklrdeysgieppvvrsekdfdapakyhisadv eylrylvsfiiqfqfyksacikagqydpdnvelpldncdiygsaragaafhnmlsmgask pwpdaleafngerimsgkaiaeyfeplrvwleaeniknnvhigwitsnkcvsshhhhh
>1j37B (B:) vtqalvkeeiqakeylenlnkelakrtnveteaawayrsaitdenekkkneisaelakfm kevasdttkfqwrsyqsedlkrqfkaltklgyaalpeddyaelldtlsamesnfakvkvc dykdstkcdlaldpeieevisksrdheelayywrefydkagtavrsqferyvelntkaak lnnftsgaeawldeyeddtfeqqledifadirplyqqihgyvrfrlrkhygdavvsetgp ipmhllgnmwaqqwseiadivspfpekplvdvsaemekqaytplkmfqmgddfftsmnlt klpqdfwdksiiekptdgrdlvchasawdfyliddvrikqctrvtqdqlftvhhelghiq yflqyqhqpfvyrtganpgfheavgdvlslsvstpkhlekigllkdyvrddearinqlfl taldkivflpfaftmdkyrwslfrgevdkanwncafwklrdeysgieppvvrsekdfdap akyhisadveylrylvsfiiqfqfyksacikagqydpdnvelpldncdiygsaragaafh nmlsmgaskpwpdaleafngerimsgkaiaeyfeplrvwleaeniknnvhigwitsnkcv sshhhhh
>1j37B (B:) iqakeylenlnkelakrtnveteaawayrsaitdenekkkneisaelakfmkevasdttk fqwrsyqsedlkrqfkaltklgyaalpeddyaelldtlsamesnfakvkvcdykdstkcd laldpeieevisksrdheelayywrefydkagtavrsqferyvelntkaaklnnftsgae awldeyeddtfeqqledifadirplyqqihgyvrfrlrkhygdavvsetgpipmhllgnm waqqwseiadivspfpekplvdvsaemekqaytplkmfqmgddfftsmnltklpqdfwdk siiekptdgrdlvchasawdfyliddvrikqctrvtqdqlftvhhelghiqyflqyqhqp fvyrtganpgfheavgdvlslsvstpkhlekigllkdyvrddearinqlfltaldkivfl pfaftmdkyrwslfrgevdkanwncafwklrdeysgieppvvrsekdfdapakyhisadv eylrylvsfiiqfqfyksacikagqydpdnvelpldncdiygsaragaafhnmlsmgask pwpdaleafngerimsgkaiaeyfeplrvwleaeniknnvhigwitsnkcvsshhhhh