Chains and heterogens:
PDB Chain Sequences:
>1ihgA (A:) shpspqakpsnpsnprvffdvdiggervgrivlelfadivpktaenfralctgekgigpt tgkplhfkgcpfhriikkfmiqggdfsnqngtggesiygekfedenfhykhdkegllsma nagsntngsqffittvptphldgkhvvfgqvikgmgvakilenvevkgekpaklcviaec gelkegddwgifpkdgsgdshpdfpedadvdlkdvdkillisedlknigntffksqnwem aikkytkvlryvegsraaaedadgaklqpvalscvlnigacklkmsdwqgavdscleale idpsntkalyrraqgwqglkeydqaladlkkaqeiapedkaiqaellkvkqkikaqkdke kaay