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Entry: A0A1P8JPW8_9BURK
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Original site: A0A1P8JPW8_9BURK 
ID   A0A1P8JPW8_9BURK        Unreviewed;       868 AA.
AC   A0A1P8JPW8;
DT   12-APR-2017, integrated into UniProtKB/TrEMBL.
DT   12-APR-2017, sequence version 1.
DT   24-JAN-2024, entry version 34.
DE   RecName: Full=DNA gyrase subunit B {ECO:0000256|HAMAP-Rule:MF_01898};
DE            EC=5.6.2.2 {ECO:0000256|HAMAP-Rule:MF_01898};
GN   Name=gyrB {ECO:0000256|HAMAP-Rule:MF_01898};
GN   ORFNames=RD110_00015 {ECO:0000313|EMBL:APW35799.1};
OS   Rhodoferax koreense.
OC   Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC   Comamonadaceae; Rhodoferax.
OX   NCBI_TaxID=1842727 {ECO:0000313|EMBL:APW35799.1, ECO:0000313|Proteomes:UP000186609};
RN   [1] {ECO:0000313|EMBL:APW35799.1, ECO:0000313|Proteomes:UP000186609}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DCY110 {ECO:0000313|EMBL:APW35799.1,
RC   ECO:0000313|Proteomes:UP000186609};
RA   Mah S.A., Swanson W.J., Moy G.W., Vacquier V.D.;
RL   Submitted (JAN-2017) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: A type II topoisomerase that negatively supercoils closed
CC       circular double-stranded (ds) DNA in an ATP-dependent manner to
CC       modulate DNA topology and maintain chromosomes in an underwound state.
CC       Negative supercoiling favors strand separation, and DNA replication,
CC       transcription, recombination and repair, all of which involve strand
CC       separation. Also able to catalyze the interconversion of other
CC       topological isomers of dsDNA rings, including catenanes and knotted
CC       rings. Type II topoisomerases break and join 2 DNA strands
CC       simultaneously in an ATP-dependent manner. {ECO:0000256|HAMAP-
CC       Rule:MF_01898}.
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|HAMAP-Rule:MF_01898};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01898};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01898};
CC       Name=Ca(2+); Xref=ChEBI:CHEBI:29108;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01898};
CC       Note=Binds two Mg(2+) per subunit. The magnesium ions form salt bridges
CC       with both the protein and the DNA. Can also accept other divalent metal
CC       cations, such as Mn(2+) or Ca(2+). {ECO:0000256|HAMAP-Rule:MF_01898};
CC   -!- SUBUNIT: Heterotetramer, composed of two GyrA and two GyrB chains. In
CC       the heterotetramer, GyrA contains the active site tyrosine that forms a
CC       transient covalent intermediate with DNA, while GyrB binds cofactors
CC       and catalyzes ATP hydrolysis. {ECO:0000256|HAMAP-Rule:MF_01898}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01898}.
CC   -!- MISCELLANEOUS: Few gyrases are as efficient as E.coli at forming
CC       negative supercoils. Not all organisms have 2 type II topoisomerases;
CC       in organisms with a single type II topoisomerase this enzyme also has
CC       to decatenate newly replicated chromosomes. {ECO:0000256|HAMAP-
CC       Rule:MF_01898}.
CC   -!- SIMILARITY: Belongs to the type II topoisomerase GyrB family.
CC       {ECO:0000256|ARBA:ARBA00010708, ECO:0000256|HAMAP-Rule:MF_01898}.
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DR   EMBL; CP019236; APW35799.1; -; Genomic_DNA.
DR   RefSeq; WP_076195513.1; NZ_CP019236.1.
DR   AlphaFoldDB; A0A1P8JPW8; -.
DR   STRING; 1842727.RD110_00015; -.
DR   KEGG; rhy:RD110_00015; -.
DR   OrthoDB; 9802808at2; -.
DR   Proteomes; UP000186609; Chromosome.
DR   GO; GO:0005694; C:chromosome; IEA:InterPro.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
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   GO; GO:0006261; P:DNA-templated DNA replication; 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; -; 2.
DR   Gene3D; 3.30.565.10; Histidine kinase-like ATPase, C-terminal domain; 1.
DR   HAMAP; MF_01898; GyrB; 1.
DR   InterPro; IPR002288; DNA_gyrase_B_C.
DR   InterPro; IPR011557; GyrB.
DR   InterPro; IPR041423; GyrB_insert.
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   NCBIfam; TIGR01059; gyrB; 1.
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; PF18053; GyrB_insert; 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|HAMAP-
KW   Rule:MF_01898}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01898};
KW   DNA-binding {ECO:0000256|ARBA:ARBA00023125};
KW   Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_01898};
KW   Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_01898};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_01898};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW   Rule:MF_01898}; Reference proteome {ECO:0000313|Proteomes:UP000186609};
KW   Topoisomerase {ECO:0000256|ARBA:ARBA00023029, ECO:0000256|HAMAP-
KW   Rule:MF_01898}.
FT   DOMAIN          476..598
FT                   /note="Toprim"
FT                   /evidence="ECO:0000259|PROSITE:PS50880"
FT   REGION          1..32
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         482
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01898"
FT   BINDING         563
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01898"
FT   BINDING         563
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01898"
FT   BINDING         565
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01898"
FT   SITE            507
FT                   /note="Interaction with DNA"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01898"
FT   SITE            510
FT                   /note="Interaction with DNA"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01898"
SQ   SEQUENCE   868 AA;  95027 MW;  15BB6765EF3A0289 CRC64;
     MTEANQPIDP NADAVNTGES TAGSSNFQPK IDTNQAGASE AYGEGAIQIL EGLEAVRKRP
     GMYIGDTSDG TGLHHLVFEV VDNSIDEALA GHCDDILVTI HSDNSVSVVD NGRGIPTGVK
     MDDKHEPKRS AAEIALTELH AGGKFNQNSY KVSGGLHGVG VSCVNALSKM LRLTIRRDGK
     IHVMEFSKGF VQNRITETQN GVEVSPMQII GDTEKRGTEV HFLPDTEIFQ QNNDFHYEIL
     SKRLRELSFL NNGVRIRLKD ERTGKEDDFA GAGGVQGFVN FINKGKTVLH PNVFHAMGDR
     QSDQGTNIGV EVAMQWNSGY NEQVLCFTNN IPQRDGGTHL TGLRAAMTRV INKYIDDSEL
     AKKAKVEVSG DDMREGLTCV LSVKVPEPKF SSQTKDKLVS SEVRGPVEDI VSKLLFDYLQ
     ERPNDAKIIV GKIIEAARAR EAARKARDMT RRKGVLDGMG LPGKLADCQE KDPAACEIYI
     VEGDSAGGSA KQGRDRKFQA ILPLRGKILN VEKARYEKLL TSNEILTLIT ALGTGIGKAG
     GSTGNDDFNV AKLRYHRIII MTDADVDGAH IRTLLLTFFY RQMPELVERG HIYIAQPPLY
     KVKAGKEELY LQGQTDLDGF LLRIALVNAS VFTGGDAGTT LSGDTLAELA RKHQVAEAVI
     ARLRNFMDAE ALRSIADGVS LNLDTVADAE KSAVALQASL RALGSGAEVA GEFDIRTDKP
     VLRISRRHHG NVKSSVLTQD FVHGADYAAL SEAANTFRGL LSEGAKVMRG EGERQKEEKV
     GDFRQAMRWL IGQAENATSR QRYKGLGEMN PAQLWETTMD PTVRRLLKVQ IDDAIEADRV
     FTMLMGDEVE PRREFIETNA LRAGNIDI
//
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