Chains and heterogens:
PDB Chain Sequences:
>1idfA (A:) meskvvvpaqgkkitlqngklnvpenpiipyiegdgigvdvtpamlkvvdaavekaykge rkiswmeiytgekstqvygqdvwlpaetldlireyrvaikgplttpvgggirslnvalrq eldlyiclrpvryyqgtpspvkhpeltdmvifrensediyagiewkadsadaekvikflr eemgvkkirfpehcgigikpcseegtkrlvraaieyaiandrdsvtlvhmgnimkftega fkdwgyqlareefggelidggpwlkvknpntgkeivikdviadaflqqillrpaeydvia cmnlngdyisdalaaqvggigiapganigdecalfeathgtapkyagqdkvnpgsiilsa emmlrhmgwteaadlivkgmegainaktvtydferlmdgakllkcsefgdaiienm
>1idfA (A:) skvvvpaqgkkitlqngklnvpenpiipyiegdgigvdvtpamlkvvdaavekaykgerk iswmeiytgekstqvygqdvwlpaetldlireyrvaikgplttpvgggirslnvalrqel dlyiclrpvryyqgtpspvkhpeltdmvifrensediyagiewkadsadaekvikflree mgvkkirfpehcgigikpcseegtkrlvraaieyaiandrdsvtlvhmgnimkftegafk dwgyqlareefggelidggpwlkvknpntgkeivikdviadaflqqillrpaeydviacm nlngdyisdalaaqvggigiapganigdecalfeathgtapkyagqdkvnpgsiilsaem mlrhmgwteaadlivkgmegainaktvtydferlmdgakllkcsefgdaiienm