Chains and heterogens:
PDB Chain Sequences:
>1qokA (A:) etvimkyllptaaagllllaaqpamaqvklqqsgaelvrsgtsvklsctasgfnikdsym hwlrqgpeqglewigwidpengdteyapkfqgkatfttdtssntaylqlssltsedtavy ycnegtptgpyyfdywgqgttvtvssggggsggggsggggsenvltqspaimsaspgekv titcsasssvsymhwfqqkpgtspklwiystsnlasgvparfsgsgsgtsysltisrmea edaatyycqqrssypltfgagtklelkraaaeqkliseedln
>1qokA (A:) qvklqqsgaelvrsgtsvklsctasgfnikdsymhwlrqgpeqglewigwidpengdtey apkfqgkatfttdtssntaylqlssltsedtavyycnegtptgpyyfdywgqgttvtvss genvltqspaimsaspgekvtitcsasssvsymhwfqqkpgtspklwiystsnlasgvpa rfsgsgsgtsysltisrmeaedaatyycqqrssypltfgagtklelk