Chains and heterogens:
PDB Chain Sequences:
>1j21A (A:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvpvtqekpysmdanllh isyeggvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallq rlneiggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdm lspkyaelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrq dlvsfdeaggydqkdaegfikiqalrlrvralvereghga
>1j21A (A:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvppysmdanllhisyeg gvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallqrlnei ggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdmlspky aelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrgydqkd aegfikiqalrlrvralver
>1j21B (B:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvpvtqekpysmdanllh isyeggvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallq rlneiggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdm lspkyaelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrq dlvsfdeaggydqkdaegfikiqalrlrvralvereghga
>1j21B (B:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvppysmdanllhisyeg gvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallqrlnei ggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdmlspky aelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrgydqkd aegfikiqalrlrvralver
>1j21C (C:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvpvtqekpysmdanllh isyeggvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallq rlneiggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdm lspkyaelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrq dlvsfdeaggydqkdaegfikiqalrlrvralvereghga
>1j21C (C:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvppysmdanllhisyeg gvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallqrlnei ggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdmlspky aelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrgydqkd aegfikiqalrlrvralver
>1j21D (D:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvpvtqekpysmdanllh isyeggvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallq rlneiggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdm lspkyaelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrq dlvsfdeaggydqkdaegfikiqalrlrvralvereghga
>1j21D (D:) mkivlaysggldtsiilkwlketyraeviaftadigqgeeveearekalrtgaskaiald lkeefvrdfvfpmmragavyegyyllgtsiarpliakhlvriaeeegaeaiahgatgkgn dqvrfeltayalkpdikviapwrewsfqgrkemiayaeahgipvppysmdanllhisyeg gvledpwaeppkgmfrmtqdpeeapdapeyveveffegdpvavngerlspaallqrlnei ggrhgvgrvdivenrfvgmksrgvyetpggtilyharravesltldrevlhqrdmlspky aelvyygfwyaperealqayfdhvarsvtgvarlklykgnvyvvgrkapkslyrgydqkd aegfikiqalrlrvralver