Chains and heterogens:
PDB Chain Sequences:
>1igyA (A:) kcahtvsksmsmsvgervtltckasenvvtyvswyqqkpeqspklliygasnrytgvpdr ftgsgsatdftltissvqaedladyhcgqgysypytfgggtkleikradaaptvsifpps seqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstltl tkdeyerhnsytceathktstspivksfnrnec
>1igyB (B:) vklqesgaelarpgasvkmsckasgytfttytihwikqrpgqglewigyinpssvytnyn qrfkdkatltrdrssntanihlssltsddsavyycvregevpywgqgttvtvssakttpp svyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdlytlss svtvpssprpsetvtcnvahpasstkvdkkivprdcgckpcictvpevssvfifppkpkd tllitvtpkvtcvvvdiskddpevqfswfvdnvevhtaqtqpreeqfnstfrvvsalpim hqdwlngkefkcrvnsaafpapiektisktkgkprapqvytipppkeqmakdkvsltcmi tdffpeditvewqsdgqapenykntqpimdtdgsyfvysklnvqksnweagntftcsvlh eglhnhhtekslsh
>1igyC (C:) kcahtvsksmsmsvgervtltckasenvvtyvswyqqkpeqspklliygasnrytgvpdr ftgsgsatdftltissvqaedladyhcgqgysypytfgggtkleikradaaptvsifpps seqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstltl tkdeyerhnsytceathktstspivksfnrnec
>1igyD (D:) vklqesgaelarpgasvkmsckasgytfttytihwikqrpgqglewigyinpssvytnyn qrfkdkatltrdrssntanihlssltsddsavyycvregevpywgqgttvtvssakttpp svyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdlytlss svtvpssprpsetvtcnvahpasstkvdkkivprdcgckpcictvpevssvfifppkpkd tllitvtpkvtcvvvdiskddpevqfswfvdnvevhtaqtqpreeqfnstfrvvsalpim hqdwlngkefkcrvnsaafpapiektisktkgkprapqvytipppkeqmakdkvsltcmi tdffpeditvewqsdgqapenykntqpimdtdgsyfvysklnvqksnweagntftcsvlh eglhnhhtekslsh