Chains and heterogens:
PDB Chain Sequences:
>2v40A (A:) mhhhhhhssgvdlgtenlyfqsmprarpggnrvtvvlgaqwgdegkgkvvdllaqdadiv crcqggnnaghtvvvdsveydfhllpsgiinpnvtafigngvvihlpglfeeaeknvqkg kglegwekrliisdrahivfdfhqaadgiqeqqrqeqagknlgttkkgigpvysskaars glrmcdlvsdfdgfserfkvlanqyksiyptleidiegelqklkgymekikpmvrdgvyf lyealhgppkkilveganaalldidfgtypfvtssnctvggvctglgmppqnvgevygvv kayttrvgigafpteqdneigellqtrgrefgvttgrkrrcgwldlvllkyahmingfta laltkldildmfteikvgvaykldgeiiphipanqevlnkvevqyktlpgwntdisnara fkelpvnaqnyvrfiedelqipvkwigvgksresmiqlf
>2v40A (A:) ggnrvtvvlgaqwgdegkgkvvdllaqdadivcrcqggnnaghtvvvdsveydfhllpsg iinpnvtafigngvvihlpglfeeaeknvqkgkglegwekrliisdrahivfdfhqaadg iqeqqkkgigpvysskaarsglrmcdlvsdfdgfserfkvlanqyksiyptleidiegel qklkgymekikpmvrdgvyflyealhgppkkilveganaalldidfgtypfvtssnctvg gvctglgmppqnvgevygvvkayttrvgigafpteqdneigellqtrgrefgvttgrkrr cgwldlvllkyahmingftalaltkldildmfteikvgvaykldgeiiphipanqevlnk vevqyktlpgwntdisnarafkelpvnaqnyvrfiedelqipvkwigvgksresmiqlf