Chains and heterogens:
PDB Chain Sequences:
>1cw7A (A:) meskvvvpaqgkkitlqngklnvpenpiipyiegdgigvdvtpamlkvvdaavekaykge rkiswmeiytgekstqvygqdvwlpaetldlireyrvaikgplttpvgggirslnvalrq eldlyiclrpvryyqgtpspvkhpeltdmvifrensediyagiewkadsadaekvikflr eemgvkkirfpehcgigikpcseegtkrlvraaieyaiandrdsvtlvhkgnimkftega fkdwgyqlareefggelidggpwlkvknpntgkeivikdviadaflqqillrpaeydvia cmnlngdyisdalaaqvggigiapganigdecalfeathgtapayagqdkvnpgsiilsa emmlrhmgwteaadlivkgmegainaktvtydferlmdgakllkcsefgdaiienm
>1cw7A (A:) eskvvvpaqgkkitlqngklnvpenpiipyiegdgigvdvtpamlkvvdaavekaykger kiswmeiytgekstqvygqdvwlpaetldlireyrvaikgplttpvgggirslnvalrqe ldlyiclrpvryyqgtpspvkhpeltdmvifrensediyagiewkadsadaekvikflre emgvkkirfpehcgigikpcseegtkrlvraaieyaiandrdsvtlvhkgnimkftegaf kdwgyqlareefggelidggpwlkvknpntgkeivikdviadaflqqillrpaeydviac mnlngdyisdalaaqvggigiapganigdecalfeathgtapayagqdkvnpgsiilsae mmlrhmgwteaadlivkgmegainaktvtydferlmdgakllkcsefgdaiienm