Chains and heterogens:
PDB Chain Sequences:
>3zfyA (A:) gssdpneavrefakeidvscvkieevigagefgevcrgrlkqpgrrevfvaiktlkvgyt erqrrdflseasimgqfdhpniirlegvvtksrpvmiltefmencaldsflrlndgqftv iqlvgmlrgiaagmkylsemnyvhrdlaarnilvnsnlvckvsdfglsrfleddpsdpty tsslggkipirwtapeaiayrkftsasdvwsygivmwevmsygerpywdmsnqdvinave qdyrlpppmdcptalhqlmldcwvrdrnlrpkfsqivntldklirnpaslkviasaqs
>3zfyA (A:) cvkieevefgevcrgrlkqprevfvaiktlkvgyterqrrdflseasimgqfdhpniirl egvvtksrpvmiltefmencaldsflrlndgqftviqlvgmlrgiaagmkylsemnyvhr dlaarnilvnsnlvckvsdfgeddpsdptytsskipirwtapeaiayrkftsasdvwsyg ivmwevmsygerpywdmsnqdvinaveqdyrlpppmdcptalhqlmldcwvrdrnlrpkf sqivntldklirnpaslkvi
>3zfyB (B:) gssdpneavrefakeidvscvkieevigagefgevcrgrlkqpgrrevfvaiktlkvgyt erqrrdflseasimgqfdhpniirlegvvtksrpvmiltefmencaldsflrlndgqftv iqlvgmlrgiaagmkylsemnyvhrdlaarnilvnsnlvckvsdfglsrfleddpsdpty tsslggkipirwtapeaiayrkftsasdvwsygivmwevmsygerpywdmsnqdvinave qdyrlpppmdcptalhqlmldcwvrdrnlrpkfsqivntldklirnpaslkviasaqs
>3zfyB (B:) scvkieevfgevcrgrlkqrrevfvaiktlerqrrdflseasimgqfdhpniirlegvvt ksrpvmiltefmencaldsflrlndgqftviqlvgmlrgiaagmkylsemnyvhrdlaar nilvnsnlvckvsdfgeddpsdptytsskipirwtapeaiayrkftsasdvwsygivmwe vmsygerpywdmsnqdvinaveqdyrlpppmdcptalhqlmldcwvrdrnlrpkfsqivn tldklirnpaslkvi