Chains and heterogens:
PDB Chain Sequences:
>1iddA (A:) meskvvvpaqgkkitlqngklnvpenpiipyiegdgigvdvtpamlkvvdaavekaykge rkiswmeiytgekstqvygqdvwlpaetldlireyrvaikgplttpvgggirslnvalrq eldlyiclrpvryyqgtpspvkhpeltdmvifrensedifagiewkadsadaekvikflr eemgvkkirfpehcgigikpcseegtkrlvraaieyaiandrdsvtlvhkgnimkftega fkdwgyqlareefggelidggpwlkvknpntgkeivikdviadaflqqillrpaeydvia cmnlngdyisdalaaqvggigiapganigdecalfeathgtapkyagqdkvnpgsiilsa emmlrhmgwteaadlivkgmegainaktvtydferlmdgakllkcsefgdaiienm
>1iddA (A:) skvvvpaqgkkitlqngklnvpenpiipyiegdgigvdvtpamlkvvdaavekaykgerk iswmeiytgekstqvygqdvwlpaetldlireyrvaikgplttpvgggirslnvalrqel dlyiclrpvryyqgtpspvkhpeltdmvifrensedifagiewkadsadaekvikflree mgvkkirfpehcgigikpcseegtkrlvraaieyaiandrdsvtlvhkgnimkftegafk dwgyqlareefggelidggpwlkvknpntgkeivikdviadaflqqillrpaeydviacm nlngdyisdalaaqvggigiapganigdecalfeathgtapkyagqdkvnpgsiilsaem mlrhmgwteaadlivkgmegainaktvtydferlmdgakllkcsefgdaiienm