Chains and heterogens:
PDB Chain Sequences:
>1ib6A (A:) mkvavlgaaggigqalalllktqlpsgselslydiapvtpgvavdlshiptavkikgfsg edatpalegadvvlisagvarkpgmdrsdlfnvnagivknlvqqvaktcpkacigiitnp vnttvaiaaevlkkagvydknklfgvttldiicsntfvaelkgkqpgevevpvigghsgv tilpllsqvpgvsfteqevadltkriqnagtevveakagggsatlsmgqaaarfglslvr alqgeqgvvecayvegdgqyarffsqplllgkngveerksigtlsafeqnalegmldtlk kdialgqefvnk
>1ib6B (B:) mkvavlgaaggigqalalllktqlpsgselslydiapvtpgvavdlshiptavkikgfsg edatpalegadvvlisagvarkpgmdrsdlfnvnagivknlvqqvaktcpkacigiitnp vnttvaiaaevlkkagvydknklfgvttldiicsntfvaelkgkqpgevevpvigghsgv tilpllsqvpgvsfteqevadltkriqnagtevveakagggsatlsmgqaaarfglslvr alqgeqgvvecayvegdgqyarffsqplllgkngveerksigtlsafeqnalegmldtlk kdialgqefvnk
>1ib6C (C:) mkvavlgaaggigqalalllktqlpsgselslydiapvtpgvavdlshiptavkikgfsg edatpalegadvvlisagvarkpgmdrsdlfnvnagivknlvqqvaktcpkacigiitnp vnttvaiaaevlkkagvydknklfgvttldiicsntfvaelkgkqpgevevpvigghsgv tilpllsqvpgvsfteqevadltkriqnagtevveakagggsatlsmgqaaarfglslvr alqgeqgvvecayvegdgqyarffsqplllgkngveerksigtlsafeqnalegmldtlk kdialgqefvnk
>1ib6D (D:) mkvavlgaaggigqalalllktqlpsgselslydiapvtpgvavdlshiptavkikgfsg edatpalegadvvlisagvarkpgmdrsdlfnvnagivknlvqqvaktcpkacigiitnp vnttvaiaaevlkkagvydknklfgvttldiicsntfvaelkgkqpgevevpvigghsgv tilpllsqvpgvsfteqevadltkriqnagtevveakagggsatlsmgqaaarfglslvr alqgeqgvvecayvegdgqyarffsqplllgkngveerksigtlsafeqnalegmldtlk kdialgqefvnk