Chains and heterogens:
PDB Chain Sequences:
>1zp4A (A:) msffhasqrdalnqslaevqgqinvsfqffpprtsemeqtlwnsidrlsslkpkfvsvty gansgerdrthsiikgikdrtgleaaphltcidatpdelrtiardywnngirhivalrgd lppgsgkpemyasdlvtllkevadfdisvaaypevhpeaksaqadllnlkrkvdaganra itqfffdvesylrfrdrcvsagidveiipgilpvsnfkqakkfadmtnvripawmaqmfd gldddaetrklvganiamdmvkilsregvkdfhfytlnraemsyaichtlgvrpgllehh hhhh
>1zp4A (A:) ffhasqrdalnqslaevqgqinvsfqffpprtsemeqtlwnsidrlsslkpkfvsvtygr thsiikgikdrtgleaaphltcidatpdelrtiardywnngirhivalrgdlppgpemya sdlvtllkevadfdisvaaypevhpeaksaqadllnlkrkvdaganraitqfffdvesyl rfrdrcvsagidveiipgilpvsnfkqakkfadmtnvripawmaqmfdgldddaetrklv ganiamdmvkilsregvkdfhfytlnraemsyaichtlgvrp
>1zp4B (B:) msffhasqrdalnqslaevqgqinvsfqffpprtsemeqtlwnsidrlsslkpkfvsvty gansgerdrthsiikgikdrtgleaaphltcidatpdelrtiardywnngirhivalrgd lppgsgkpemyasdlvtllkevadfdisvaaypevhpeaksaqadllnlkrkvdaganra itqfffdvesylrfrdrcvsagidveiipgilpvsnfkqakkfadmtnvripawmaqmfd gldddaetrklvganiamdmvkilsregvkdfhfytlnraemsyaichtlgvrpgllehh hhhh
>1zp4B (B:) ffhasqrdalnqslaevqgqinvsfqffpprtsemeqtlwnsidrlsslkpkfvsvtyga nsgerdrthsiikgikdrtgleaaphltcidatpdelrtiardywnngirhivalrgdle myasdlvtllkevadfdisvaaypevhpeaksaqadllnlkrkvdaganraitqfffdve sylrfrdrcvsagidveiipgilpvsnfkqakkfadmtnvripawmaqmfdgldddaetr klvganiamdmvkilsregvkdfhfytlnraemsyaichtlgvrp
>1zp4C (C:) msffhasqrdalnqslaevqgqinvsfqffpprtsemeqtlwnsidrlsslkpkfvsvty gansgerdrthsiikgikdrtgleaaphltcidatpdelrtiardywnngirhivalrgd lppgsgkpemyasdlvtllkevadfdisvaaypevhpeaksaqadllnlkrkvdaganra itqfffdvesylrfrdrcvsagidveiipgilpvsnfkqakkfadmtnvripawmaqmfd gldddaetrklvganiamdmvkilsregvkdfhfytlnraemsyaichtlgvrpgllehh hhhh
>1zp4C (C:) qinvsfqffpprtsemeqtlwnsidrlsslkpkfvsvtygansgerdrthsiikgikdrt gleaaphltcidatpdelrtiardywnngirhivalrgdlpemyasdlvtllkevadfdi svaaypevhpeaksaqadllnlkrkvdaganraitqfffdvesylrfrdrcvsagidvei ipgilpvsnfkqakkfadmtnvripawmaqmfdgldddaetrklvganiamdmvkilsre gvkdfhfytlnraemsyaichtlgvrp