Chains and heterogens:
PDB Chain Sequences:
>1j20A (A:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvpvtqekpysmdanllh isyeggvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallq rlneiggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdm lspkyaelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrq dlvsfdeaggydqkdaegfikiqalrlrvralvereghga
>1j20A (A:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvppysmdanllhisyeg gvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallqrlnei ggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdmlspky aelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrqdlvsf gydqkdaegfikiqalrlrvralver
>1j20B (B:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvpvtqekpysmdanllh isyeggvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallq rlneiggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdm lspkyaelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrq dlvsfdeaggydqkdaegfikiqalrlrvralvereghga
>1j20B (B:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvppysmdanllhisyeg gvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallqrlnei ggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdmlspky aelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrqdlvsf gydqkdaegfikiqalrlrvralver
>1j20C (C:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvpvtqekpysmdanllh isyeggvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallq rlneiggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdm lspkyaelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrq dlvsfdeaggydqkdaegfikiqalrlrvralvereghga
>1j20C (C:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvppysmdanllhisyeg gvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallqrlnei ggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdmlspky aelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrqdlvsf gydqkdaegfikiqalrlrvralver
>1j20D (D:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvpvtqekpysmdanllh isyeggvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallq rlneiggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdm lspkyaelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrq dlvsfdeaggydqkdaegfikiqalrlrvralvereghga
>1j20D (D:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvppysmdanllhisyeg gvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallqrlnei ggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdmlspky aelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrqdlvsf gydqkdaegfikiqalrlrvralver