Chains and heterogens:
PDB Chain Sequences:
>4pyvA (A:) ltlgnttssviltnymdtqyygeigigtppqtfkvvfdtgssnvwvpsskcsrlytacvy hklfdasdsssykhngteltlrystgtvsgflsqdiitvggitvtqmfgevtempalpfm laefdgvvgmgfieqaigrvtpifdniisqgvlkedvfsfyynrdsensqslggqivlgg sdpqhyegnfhyinliktgvwqiqmkgvsvgsstllcedgclalvdtgasyisgstssie klmealgakkrlfdyvvkcnegptlpdisfhlggkeytltsadyvfqesysskklctlai hamdippptgptwalgatfirkfytefdrrnnrigfalar
>4pyvA (A:) lgnttssviltnymdtqyygeigigtppqtfkvvfdtgssnvwvpsskcsrlytacvyhk lfdasdsssykhngteltlrystgtvsgflsqdiitvggitvtqmfgevtempalpfmla efdgvvgmgfieqaigrvtpifdniisqgvlkedvfsfyynrdsqslggqivlggsdpqh yegnfhyinliktgvwqiqmkgvsvgsstllcedgclalvdtgasyisgstssieklmea lgakkrlfdyvvkcnegptlpdisfhlggkeytltsadyvfqesysskklctlaihamdi ppptgptwalgatfirkfytefdrrnnrigfalar
>4pyvB (B:) ltlgnttssviltnymdtqyygeigigtppqtfkvvfdtgssnvwvpsskcsrlytacvy hklfdasdsssykhngteltlrystgtvsgflsqdiitvggitvtqmfgevtempalpfm laefdgvvgmgfieqaigrvtpifdniisqgvlkedvfsfyynrdsensqslggqivlgg sdpqhyegnfhyinliktgvwqiqmkgvsvgsstllcedgclalvdtgasyisgstssie klmealgakkrlfdyvvkcnegptlpdisfhlggkeytltsadyvfqesysskklctlai hamdippptgptwalgatfirkfytefdrrnnrigfalar
>4pyvB (B:) gnttssviltnymdtqyygeigigtppqtfkvvfdtgssnvwvpsskcsrlytacvyhkl fdasdsssykhngteltlrystgtvsgflsqdiitvggitvtqmfgevtempalpfmlae fdgvvgmgfieqaigrvtpifdniisqgvlkedvfsfyynrdsqslggqivlggsdpqhy egnfhyinliktgvwqiqmkgvsvgsstllcedgclalvdtgasyisgstssieklmeal gakkrlfdyvvkcnegptlpdisfhlggkeytltsadyvfqesysskklctlaihamdip pptgptwalgatfirkfytefdrrnnrigfalar