Chains and heterogens:
PDB Chain Sequences:
>1kzyA (A:) ssvpsqktyqgsygfrlgflhsgtaksvtctyspalnkmfcqlaktcpvqlwvdstpppg trvramaiykqsqhmtevvrrcphhercsdsdglappqhlirvegnlrveylddrntfrh svvvpyeppevgsdcttihynymcnsscmggmnrrpiltiitledssgnllgrnsfevrv cacpgrdrrteeenl
>1kzyB (B:) ssvpsqktyqgsygfrlgflhsgtaksvtctyspalnkmfcqlaktcpvqlwvdstpppg trvramaiykqsqhmtevvrrcphhercsdsdglappqhlirvegnlrveylddrntfrh svvvpyeppevgsdcttihynymcnsscmggmnrrpiltiitledssgnllgrnsfevrv cacpgrdrrteeenl
>1kzyC (C:) aleeqrgplplnktlflgyaflltmattsdklasrsklpdgptgsseeeeefleippfnk qytesqlragagyiledfneaqcntayqclliadqhcrtrkyflclasgipcvshvwvhd schanqlqnyrnyllpagysleeqrildwqprenpfqnlkvllvsdqqqnflelwseilm tggaasvkqhhssahnkdialgvfdvvvtdpscpasvlkcaealqlpvvsqewviqcliv gerigfkqhpkykhdyvsh
>1kzyC (C:) aleeqrgplplnktlflgyaflltmatippfnkqytesqlragagyiledfneaqcntay qclliadqhcrtrkyflclasgipcvshvwvhdschanqlqnyrnyllpagysleeqril dwqprenpfqnlkvllvsdqqqnflelwseilmtggaasvkqhhssahnkdialgvfdvv vtdpscpasvlkcaealqlpvvsqewviqclivgerigfkqhpkykhdyvsh
>1kzyD (D:) aleeqrgplplnktlflgyaflltmattsdklasrsklpdgptgsseeeeefleippfnk qytesqlragagyiledfneaqcntayqclliadqhcrtrkyflclasgipcvshvwvhd schanqlqnyrnyllpagysleeqrildwqprenpfqnlkvllvsdqqqnflelwseilm tggaasvkqhhssahnkdialgvfdvvvtdpscpasvlkcaealqlpvvsqewviqcliv gerigfkqhpkykhdyvsh
>1kzyD (D:) aleeqrgplplnktlflgyaflltmatippfnkqytesqlragagyiledfneaqcntay qclliadqhcrtrkyflclasgipcvshvwvhdschanqlqnyrnyllpagysleeqril dwqprenpfqnlkvllvsdqqqnflelwseilmtggaasvkqhhssahnkdialgvfdvv vtdpscpasvlkcaealqlpvvsqewviqclivgerigfkqhpkykhdyvsh