Chains and heterogens:
PDB Chain Sequences:
>1n23A (A:) eahqirrsgnyqpalwdsnyiqslntpyteerhldrkaelivqvrillkekmepvqqlel ihdlkylglsdffqdeikeilgviynehkcfhnnevekmdlyftalgfrllrqhgfnisq dvfncfknekgidfkaslaqdtkgmlqlyeasfllrkgedtlelarefatkclqkkldeg gneidenlllwirhsldlplhwriqsvearwfidayarrpdmnplifelaklnfniiqat hqqelkdlsrwwsrlcfpeklpfvrdrlvesffwavgmfephqhgyqrkmaatiivlatv iddiydvygtldelelftdtfkrwdtesitrlpyymqlcywgvhnyisdaaydilkehgf fclqylrksvvdlveayfheakwyhsgytpsldeylniakisvaspaiisptyftfanas hdtavidslyqyhdilclagiilrlpddlgtsyfelargdvpktiqcymketnaseeeav ehvkflireawkdmntaiaagypfpdgmvagaanigrvaqfiylhgdgfgvqhsktyehi agllfepya
>1n23A (A:) rrsgnyqpalwdsnyiqslntpyteerhldrkaelivqvrillkekmepvqqlelihdlk ylglsdffqdeikeilgviynehkcfmdlyftalgfrllrqhgfnisqdvfncfknekgi dfkaslaqdtkgmlqlyeasfllrkgedtlelarefatkclqkkldeidenlllwirhsl dlplhwriqsvearwfidayarrpdmnplifelaklnfniiqathqqelkdlsrwwsrlc fpeklpfvrdrlvesffwavgmfephqhgyqrkmaatiivlatviddiydvygtldelel ftdtfkrwdtesitrlpyymqlcywgvhnyisdaaydilkehgffclqylrksvvdlvea yfheakwyhsgytpsldeylniakisvaspaiisptyftfanashdtavidslyqyhdil clagiilrlpddlgtsyfelargdvpktiqcymketnaseeeavehvkflireawkdmnt aiaagypfpdgmvagaanigrvaqfiylhgdgfgvqhsktyehiagllfepya
>1n23B (B:) eahqirrsgnyqpalwdsnyiqslntpyteerhldrkaelivqvrillkekmepvqqlel ihdlkylglsdffqdeikeilgviynehkcfhnnevekmdlyftalgfrllrqhgfnisq dvfncfknekgidfkaslaqdtkgmlqlyeasfllrkgedtlelarefatkclqkkldeg gneidenlllwirhsldlplhwriqsvearwfidayarrpdmnplifelaklnfniiqat hqqelkdlsrwwsrlcfpeklpfvrdrlvesffwavgmfephqhgyqrkmaatiivlatv iddiydvygtldelelftdtfkrwdtesitrlpyymqlcywgvhnyisdaaydilkehgf fclqylrksvvdlveayfheakwyhsgytpsldeylniakisvaspaiisptyftfanas hdtavidslyqyhdilclagiilrlpddlgtsyfelargdvpktiqcymketnaseeeav ehvkflireawkdmntaiaagypfpdgmvagaanigrvaqfiylhgdgfgvqhsktyehi agllfepya
>1n23B (B:) qpalwdsnyiqslntpyteerhldrkaelivqvrillkekmepvqqlelihdlkylglsd ffqdeikeilgviynehkcdlyftalgfrllrqhgfnisqdvfncfknekgidfkaslaq dtkgmlqlyeasfllrkgedtlelarefatkclqkkldeneidenlllwirhsldlplhw riqsvearwfidayarrpdmnplifelaklnfniiqathqqelkdlsrwwsrlcfpeklp fvrdrlvesffwavgmfephqhgyqrkmaatiivlatviddiydvygtldelelftdtfk rwdtesitrlpyymqlcywgvhnyisdaaydilkehgffclqylrksvvdlveayfheak wyhsgytpsldeylniakisvaspaiisptyftfanashdtavidslyqyhdilclagii lrlpddlgtsyfelargdvpktiqcymketnaseeeavehvkflireawkdmntaiaagy pfpdgmvagaanigrvaqfiylhgdgfgvqhsktyehiagllfepya