Chains and heterogens:
PDB Chain Sequences:
>4zzxA (A:) gpslksplkpesqldlrvqeliklicnvqameemmmemkyntkkaplgkltvaqikagyq slkkiedciragqhgralmeacnefytriphdfglrtpplirtqkelsekiqllealgdi eiaiklvktelqspehpldqhyrnlhcalrpldhesyefkvisqylqsthapthsdytmt lldlfevekdgekeafredlhnrmllwhgsrmsnwvgilshglriappeapitgymfgkg iyfadmssksanycfasrlkntgllllsevalgqcnelleanpkaegllqgkhstkglgk mapssahfvtlngstvplgpasdtgilnpdgytlnyneyivynpnqvrmryllkvqfnfl qlw
>4zzxA (A:) esqldlrvqeliklicnvqameemmmemkyntkkaplgkltvaqikagyqslkkiedcir agqhgralmeacnefytriphdfglrtpplirtqkelsekiqllealgdieiaiklvkte lqspehpldqhyrnlhcalrpldhesyefkvisqylqsthapthsdytmtlldlfevekd gekeafredlhnrmllwhgsrmsnwvgilshglriappeapitgymfgkgiyfadmssks anycfasrlkntgllllsevalgqcnelleanpkaegllqgkhstkglgkmapssahfvt lngstvplgpasdtgilngytlnyneyivynpnqvrmryllkvqfnflqlw
>4zzxB (B:) gpslksplkpesqldlrvqeliklicnvqameemmmemkyntkkaplgkltvaqikagyq slkkiedciragqhgralmeacnefytriphdfglrtpplirtqkelsekiqllealgdi eiaiklvktelqspehpldqhyrnlhcalrpldhesyefkvisqylqsthapthsdytmt lldlfevekdgekeafredlhnrmllwhgsrmsnwvgilshglriappeapitgymfgkg iyfadmssksanycfasrlkntgllllsevalgqcnelleanpkaegllqgkhstkglgk mapssahfvtlngstvplgpasdtgilnpdgytlnyneyivynpnqvrmryllkvqfnfl qlw
>4zzxB (B:) qldlrvqeliklicnvqameemmmemkyntkkaplgkltvaqikagyqslkkiedcirag qhgralmeacnefytriphdfglrtpplirtqkelsekiqllealgdieiaiklvktelq shpldqhyrnlhcalrpldhesyefkvisqylqsthapthsdytmtlldlfevekdgeke afredlhnrmllwhgsrmsnwvgilshglriappeapitgymfgkgiyfadmssksanyc fasrlkntgllllsevalgqcnelleanpkaegllqgkhstkglgkmapssahfvtlngs tvplgpasdtgilnpdgytlnyneyivynpnqvrmryllkvqfnflqlw