ID E4XU23_OIKDI Unreviewed; 613 AA.
AC E4XU23;
DT 08-FEB-2011, integrated into UniProtKB/TrEMBL.
DT 08-FEB-2011, sequence version 1.
DT 24-JAN-2024, entry version 53.
DE RecName: Full=DNA topoisomerase 2 {ECO:0000256|RuleBase:RU362094};
DE EC=5.6.2.2 {ECO:0000256|RuleBase:RU362094};
GN ORFNames=GSOID_T00003997001 {ECO:0000313|EMBL:CBY13220.1};
OS Oikopleura dioica (Tunicate).
OC Eukaryota; Metazoa; Chordata; Tunicata; Appendicularia; Copelata;
OC Oikopleuridae; Oikopleura.
OX NCBI_TaxID=34765 {ECO:0000313|EMBL:CBY13220.1};
RN [1] {ECO:0000313|EMBL:CBY13220.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=21097902; DOI=10.1126/science.1194167;
RA Denoeud F., Henriet S., Mungpakdee S., Aury J.M., Da Silva C.,
RA Brinkmann H., Mikhaleva J., Olsen L.C., Jubin C., Canestro C.,
RA Bouquet J.M., Danks G., Poulain J., Campsteijn C., Adamski M., Cross I.,
RA Yadetie F., Muffato M., Louis A., Butcher S., Tsagkogeorga G., Konrad A.,
RA Singh S., Jensen M.F., Cong E.H., Eikeseth-Otteraa H., Noel B.,
RA Anthouard V., Porcel B.M., Kachouri-Lafond R., Nishino A., Ugolini M.,
RA Chourrout P., Nishida H., Aasland R., Huzurbazar S., Westhof E., Delsuc F.,
RA Lehrach H., Reinhardt R., Weissenbach J., Roy S.W., Artiguenave F.,
RA Postlethwait J.H., Manak J.R., Thompson E.M., Jaillon O., Du Pasquier L.,
RA Boudinot P., Liberles D.A., Volff J.N., Philippe H., Lenhard B.,
RA Roest Crollius H., Wincker P., Chourrout D.;
RT "Plasticity of animal genome architecture unmasked by rapid evolution of a
RT pelagic tunicate.";
RL Science 330:1381-1385(2010).
CC -!- FUNCTION: Control of topological states of DNA by transient breakage
CC and subsequent rejoining of DNA strands. Topoisomerase II makes double-
CC strand breaks. {ECO:0000256|RuleBase:RU362094}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP-dependent breakage, passage and rejoining of double-
CC stranded DNA.; EC=5.6.2.2; Evidence={ECO:0000256|ARBA:ARBA00000185,
CC ECO:0000256|RuleBase:RU362094};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|RuleBase:RU362094}.
CC -!- SIMILARITY: Belongs to the type II topoisomerase GyrB family.
CC {ECO:0000256|ARBA:ARBA00010708}.
CC -!- SIMILARITY: Belongs to the type II topoisomerase family.
CC {ECO:0000256|RuleBase:RU362094}.
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DR EMBL; FN653170; CBY13220.1; -; Genomic_DNA.
DR AlphaFoldDB; E4XU23; -.
DR InParanoid; E4XU23; -.
DR Proteomes; UP000001307; Unassembled WGS sequence.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003918; F:DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006265; P:DNA topological change; IEA:UniProtKB-UniRule.
DR CDD; cd16928; HATPase_GyrB-like; 1.
DR CDD; cd00822; TopoII_Trans_DNA_gyrase; 1.
DR CDD; cd03366; TOPRIM_TopoIIA_GyrB; 1.
DR Gene3D; 3.30.230.10; -; 1.
DR Gene3D; 3.40.50.670; -; 1.
DR Gene3D; 3.30.565.10; Histidine kinase-like ATPase, C-terminal domain; 1.
DR InterPro; IPR002288; DNA_gyrase_B_C.
DR InterPro; IPR003594; HATPase_C.
DR InterPro; IPR036890; HATPase_C_sf.
DR InterPro; IPR020568; Ribosomal_Su5_D2-typ_SF.
DR InterPro; IPR014721; Ribsml_uS5_D2-typ_fold_subgr.
DR InterPro; IPR001241; Topo_IIA.
DR InterPro; IPR013760; Topo_IIA-like_dom_sf.
DR InterPro; IPR000565; Topo_IIA_B.
DR InterPro; IPR013759; Topo_IIA_B_C.
DR InterPro; IPR013506; Topo_IIA_bsu_dom2.
DR InterPro; IPR018522; TopoIIA_CS.
DR InterPro; IPR006171; TOPRIM_domain.
DR InterPro; IPR034160; TOPRIM_GyrB.
DR PANTHER; PTHR45866:SF1; DNA GYRASE SUBUNIT B, MITOCHONDRIAL; 1.
DR PANTHER; PTHR45866; DNA GYRASE/TOPOISOMERASE SUBUNIT B; 1.
DR Pfam; PF00204; DNA_gyraseB; 1.
DR Pfam; PF00986; DNA_gyraseB_C; 1.
DR Pfam; PF02518; HATPase_c; 1.
DR Pfam; PF01751; Toprim; 1.
DR PRINTS; PR01159; DNAGYRASEB.
DR PRINTS; PR00418; TPI2FAMILY.
DR SMART; SM00387; HATPase_c; 1.
DR SMART; SM00433; TOP2c; 1.
DR SUPFAM; SSF55874; ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase; 1.
DR SUPFAM; SSF54211; Ribosomal protein S5 domain 2-like; 1.
DR SUPFAM; SSF56719; Type II DNA topoisomerase; 1.
DR PROSITE; PS00177; TOPOISOMERASE_II; 1.
DR PROSITE; PS50880; TOPRIM; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|RuleBase:RU362094};
KW DNA-binding {ECO:0000256|ARBA:ARBA00023125, ECO:0000256|RuleBase:RU362094};
KW Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|RuleBase:RU362094};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|RuleBase:RU362094}; Nucleus {ECO:0000256|ARBA:ARBA00023242};
KW Reference proteome {ECO:0000313|Proteomes:UP000001307};
KW Topoisomerase {ECO:0000256|ARBA:ARBA00023029,
KW ECO:0000256|RuleBase:RU362094}.
FT DOMAIN 408..527
FT /note="Toprim"
FT /evidence="ECO:0000259|PROSITE:PS50880"
SQ SEQUENCE 613 AA; 68196 MW; 9104DD73289BC732 CRC64;
MYIGDPDERG LHHCVFEVLD NSIDEHLAGY CSRIKVAIHV DGSVSISDNG RGIPVDMHPK
FGIPAVELVL TNLHAGGKFG QGAYKYSGGL HGVGAKCVNA LADWFRADIM RNGKVHRIAF
ERGKTTEQLH VVGEVDPNKT GTTITFFPDA TIFVDTIEFK FDRLATRLRE LAFLNPGLII
DLEDERPESA KKASFYYAKG IEEFVVQLGE NKTVIHDDPV VLNGKRQIEL DYDGKQTTDD
VFADVVFQYN DSYNDQILCF ANSIPNGDGG THLTGFRTAL TRGINQYAKV NKILKDKDPA
LSGDDVREGL VCVISVKMPN PRFSSQTKDK LVNTEIEGVV SSIVYEGIMQ YFDENPALAR
KVIEKSVNAA RAREAARKAR ETVRKSALSG GGLPGKLADC SERDPAKSEL YIVEGDSAGG
SAKQGRDRRT QAILPLRGKL INVEKARLHR ALQNKEIQNL ITAIGAGIGD GEQEGSFNID
KVRYHKVVIM TDADVDGSHI RTLLLTFFCR HMPELVKRGF LYIAQPPLYL VTREGEKQHG
VQIKRFKGLG EMNAKQLFET TMDPETRQFL RVRLDEDNAV EADKMFDVLM GDIVEPRKRF
IEDNALNVRN LDV
//