eF-site ID 4j3n-A PDB Code 4j3n Chain A click to enlarge Title Human Topoisomerase Iibeta in complex with DNA Classification ISOMERASE/DNA Compound DNA topoisomerase 2-beta Source Homo sapiens (Human) (4J3N) Sequence A:  PKLDDANDAGGKHSLECTLILTEGDSAKSLAVSGLGVIGR DRYGVFPLRGKILNVREASHKQIMENAEINNIIKIVGLQY KKSYDDAESLKTLRYGKIMIMTDQDQDGSHIKGLLINFIH HNWPSLLKHGFLEEFITAKEYFADMERHRILFRYAGPEDD AAITLAFSKKKIDDRKEWLTNFMEDRRQRRLHGLKHLTYN DFINKELILFSNSDNERSIPSLVDGFKPGQRKVLFTCFKR NDKREVKVAQLAGSVAEMSAYHHGEQALMMTIVNLAQNFV GSNNINLLQPIGQFGTRLHGGKDAASPRYIFTMLSTLARL LFPAVDDNLLKFLYDDNQRVEPEWYIPIIPMVLINGAEGI GTGWACKLPNYDAREIVNNVRRMLDGLDPHPMLPNYKNFK GTIQELGQNQYAVSGEIFVVDRNTVEITELPVRTWTQVYK EQVLEPMLNGTDKTPALISDYKEYHTDTTVKFVVKMTEEK LAQAEAAGLHKVFKLQTTLTCNSMVLFDHMGCLKKYETVQ DILKEFFDLRLSYYGLRKEWLVGMLGAESTKLNNQARFIL EKIQGKITIENRSKKDLIQMLVQRGYESDPVKAWKEAQEG PDFNYILNMSLWSLTKEKVEELIKQRDAKGREVNDLKRKS PSDLWKEDLAAFVEELDKVESQERED Description Functional site 1) chain A residue 557 type sequence D description BINDING SITE FOR RESIDUE MG A 1301 source : AC1 2) chain A residue 559 type sequence D description BINDING SITE FOR RESIDUE MG A 1301 source : AC1 3) chain A residue 867 type sequence N description BINDING SITE FOR RESIDUE MG A 1302 source : AC2 4) chain A residue 868 type sequence G description BINDING SITE FOR RESIDUE MG A 1302 source : AC2 5) chain A residue 722 type sequence F description BINDING SITE FOR RESIDUE MG A 1303 source : AC3 6) chain A residue 726 type sequence D description BINDING SITE FOR RESIDUE MG A 1303 source : AC3 7) chain A residue 475-483 type prosite sequence LTEGDSAKS description TOPOISOMERASE_II DNA topoisomerase II signature. LTEGDSAKS source prosite : PS00177 8) chain A residue 821 type ACT_SITE sequence Y description O-(5'-phospho-DNA)-tyrosine intermediate => ECO:0000255|PROSITE-ProRule:PRU01384, ECO:0000269|PubMed:21778401 source Swiss-Prot : SWS_FT_FI1 9) chain A residue 477 type BINDING sequence E description BINDING => ECO:0000255|PROSITE-ProRule:PRU00995 source Swiss-Prot : SWS_FT_FI2 10) chain A residue 557 type BINDING sequence D description BINDING => ECO:0000255|PROSITE-ProRule:PRU00995, ECO:0000269|PubMed:21778401 source Swiss-Prot : SWS_FT_FI3 11) chain A residue 559 type BINDING sequence D description BINDING => ECO:0000255|PROSITE-ProRule:PRU00995, ECO:0000269|PubMed:21778401 source Swiss-Prot : SWS_FT_FI3 12) chain A residue 505 type SITE sequence K description Interaction with DNA source Swiss-Prot : SWS_FT_FI4 13) chain A residue 508 type SITE sequence N description Interaction with DNA source Swiss-Prot : SWS_FT_FI4 14) chain A residue 677 type SITE sequence R description Interaction with DNA source Swiss-Prot : SWS_FT_FI4 15) chain A residue 678 type SITE sequence K description Interaction with DNA source Swiss-Prot : SWS_FT_FI4 16) chain A residue 739 type SITE sequence K description Interaction with DNA source Swiss-Prot : SWS_FT_FI4 17) chain A residue 947 type SITE sequence W description Interaction with DNA source Swiss-Prot : SWS_FT_FI4 18) chain A residue 773 type SITE sequence Y description Interaction with DNA => ECO:0000255|PROSITE-ProRule:PRU00995 source Swiss-Prot : SWS_FT_FI5 19) chain A residue 820 type SITE sequence R description Transition state stabilizer source Swiss-Prot : SWS_FT_FI6 20) chain A residue 872 type SITE sequence I description Important for DNA bending; intercalates between base pairs of target DNA source Swiss-Prot : SWS_FT_FI7 21) chain A residue 641 type CROSSLNK sequence K description Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2) => ECO:0007744|PubMed:28112733 source Swiss-Prot : SWS_FT_FI8 22) chain A residue 671 type CROSSLNK sequence K description Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2) => ECO:0007744|PubMed:28112733 source Swiss-Prot : SWS_FT_FI8 23) chain A residue 707 type CROSSLNK sequence K description Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2) => ECO:0007744|PubMed:28112733 source Swiss-Prot : SWS_FT_FI8 24) chain A residue 1087 type CROSSLNK sequence K description Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2) => ECO:0007744|PubMed:28112733 source Swiss-Prot : SWS_FT_FI8

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