(data stored in ACNUC1104 zone)

SWISSPROT: A1SCM1_NOCSJ

ID   A1SCM1_NOCSJ            Unreviewed;       711 AA.
AC   A1SCM1;
DT   06-FEB-2007, integrated into UniProtKB/TrEMBL.
DT   06-FEB-2007, sequence version 1.
DT   08-MAY-2019, entry version 98.
DE   RecName: Full=DNA gyrase subunit B {ECO:0000256|HAMAP-Rule:MF_01898};
DE            EC=5.6.2.3 {ECO:0000256|HAMAP-Rule:MF_01898};
GN   Name=gyrB {ECO:0000256|HAMAP-Rule:MF_01898};
GN   OrderedLocusNames=Noca_0006 {ECO:0000313|EMBL:ABL79556.1};
OS   Nocardioides sp. (strain ATCC BAA-499 / JS614).
OC   Bacteria; Actinobacteria; Propionibacteriales; Nocardioidaceae;
OC   Nocardioides.
OX   NCBI_TaxID=196162 {ECO:0000313|EMBL:ABL79556.1, ECO:0000313|Proteomes:UP000000640};
RN   [1] {ECO:0000313|Proteomes:UP000000640}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-499 / JS614 {ECO:0000313|Proteomes:UP000000640};
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H.,
RA   Pitluck S., Thompson L.S., Brettin T., Bruce D., Han C., Tapia R.,
RA   Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA   Mattes T., Gossett J., Richardson P.;
RT   "Complete sequence of chromosome 1 of Nocardioides sp. JS614.";
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
RN   [2] {ECO:0000313|EMBL:ABL79556.1, ECO:0000313|Proteomes:UP000000640}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-499 / JS614 {ECO:0000313|Proteomes:UP000000640};
RX   PubMed=21551312; DOI=10.1128/JB.05109-11;
RA   Coleman N.V., Wilson N.L., Barry K., Brettin T.S., Bruce D.C.,
RA   Copeland A., Dalin E., Detter J.C., Del Rio T.G., Goodwin L.A.,
RA   Hammon N.M., Han S., Hauser L.J., Israni S., Kim E., Kyrpides N.,
RA   Land M.L., Lapidus A., Larimer F.W., Lucas S., Pitluck S.,
RA   Richardson P., Schmutz J., Tapia R., Thompson S., Tice H.N.,
RA   Spain J.C., Gossett J.G., Mattes T.E.;
RT   "Genome Sequence of the ethene- and vinyl chloride-oxidizing
RT   actinomycete Nocardioides sp. strain JS614.";
RL   J. Bacteriol. 193:3399-3400(2011).
CC   -!- FUNCTION: A type II topoisomerase that negatively supercoils
CC       closed circular double-stranded (ds) DNA in an ATP-dependent
CC       manner to modulate DNA topology and maintain chromosomes in an
CC       underwound state. Negative supercoiling favors strand separation,
CC       and DNA replication, transcription, recombination and repair, all
CC       of which involve strand separation. Also able to catalyze the
CC       interconversion of other topological isomers of dsDNA rings,
CC       including catenanes and knotted rings. Type II topoisomerases
CC       break and join 2 DNA strands simultaneously in an ATP-dependent
CC       manner. {ECO:0000256|HAMAP-Rule:MF_01898}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP-dependent breakage, passage and rejoining of double-
CC         stranded DNA.; EC=5.6.2.3; Evidence={ECO:0000256|HAMAP-
CC         Rule:MF_01898, ECO:0000256|SAAS:SAAS01180974};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|SAAS:SAAS00924966};
CC   -!- SUBUNIT: Heterotetramer, composed of two GyrA and two GyrB chains.
CC       In the heterotetramer, GyrA contains the active site tyrosine that
CC       forms a transient covalent intermediate with DNA, while GyrB binds
CC       cofactors and catalyzes ATP hydrolysis. {ECO:0000256|HAMAP-
CC       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
CC       topoisomerases; in organisms with a single type II topoisomerase
CC       this enzyme also has to decatenate newly replicated chromosomes.
CC       {ECO:0000256|HAMAP-Rule:MF_01898}.
CC   -!- SIMILARITY: Belongs to the type II topoisomerase family.
CC       {ECO:0000256|HAMAP-Rule:MF_01898}.
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DR   EMBL; CP000509; ABL79556.1; -; Genomic_DNA.
DR   STRING; 196162.Noca_0006; -.
DR   EnsemblBacteria; ABL79556; ABL79556; Noca_0006.
DR   KEGG; nca:Noca_0006; -.
DR   eggNOG; ENOG4105C7D; Bacteria.
DR   eggNOG; COG0187; LUCA.
DR   HOGENOM; HOG000075155; -.
DR   KO; K02470; -.
DR   OMA; IYIACPP; -.
DR   Proteomes; UP000000640; 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:InterPro.
DR   GO; GO:0003918; F:DNA topoisomerase type II (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-dependent DNA replication; IEA:UniProtKB-UniRule.
DR   CDD; cd00075; HATPase_c; 1.
DR   Gene3D; 3.30.230.10; -; 1.
DR   Gene3D; 3.30.565.10; -; 1.
DR   Gene3D; 3.40.50.670; -; 1.
DR   HAMAP; MF_01898; GyrB; 1.
DR   InterPro; IPR002288; DNA_gyrase_B_C.
DR   InterPro; IPR011557; GyrB.
DR   InterPro; IPR003594; HATPase_C.
DR   InterPro; IPR036890; HATPase_C_sf.
DR   InterPro; IPR020568; Ribosomal_S5_D2-typ_fold.
DR   InterPro; IPR014721; Ribosomal_S5_D2-typ_fold_subgr.
DR   InterPro; IPR001241; Topo_IIA.
DR   InterPro; IPR013760; Topo_IIA-like_dom_sf.
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   Pfam; PF00204; DNA_gyraseB; 1.
DR   Pfam; PF00986; DNA_gyraseB_C; 1.
DR   Pfam; PF02518; HATPase_c; 1.
DR   Pfam; PF01751; Toprim; 1.
DR   SMART; SM00387; HATPase_c; 1.
DR   SMART; SM00433; TOP2c; 1.
DR   SUPFAM; SSF54211; SSF54211; 1.
DR   SUPFAM; SSF55874; SSF55874; 1.
DR   SUPFAM; SSF56719; SSF56719; 1.
DR   TIGRFAMs; TIGR01059; gyrB; 1.
DR   PROSITE; PS00177; TOPOISOMERASE_II; 1.
DR   PROSITE; PS50880; TOPRIM; 1.
PE   3: Inferred from homology;
DR   PRODOM; A1SCM1.
DR   SWISS-2DPAGE; A1SCM1.
KW   ATP-binding {ECO:0000256|HAMAP-Rule:MF_01898,
KW   ECO:0000256|SAAS:SAAS00924926};
KW   Complete proteome {ECO:0000313|Proteomes:UP000000640};
KW   Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01898};
KW   Isomerase {ECO:0000256|HAMAP-Rule:MF_01898,
KW   ECO:0000256|SAAS:SAAS00924998, ECO:0000313|EMBL:ABL79556.1};
KW   Magnesium {ECO:0000256|SAAS:SAAS00906748};
KW   Metal-binding {ECO:0000256|SAAS:SAAS00906804};
KW   Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_01898,
KW   ECO:0000256|SAAS:SAAS00924952};
KW   Reference proteome {ECO:0000313|Proteomes:UP000000640};
KW   Topoisomerase {ECO:0000256|HAMAP-Rule:MF_01898,
KW   ECO:0000256|SAAS:SAAS00924964}.
FT   DOMAIN      488    602       Toprim. {ECO:0000259|PROSITE:PS50880}.
SQ   SEQUENCE   711 AA;  77866 MW;  27F3B5244E1CF740 CRC64;
     MSDETPIENP AEGGSGTAAA EATDRRPNGV DYDASAIQVL EGLEAVRKRP GMYIGSTGER
     GLHHLIWEIV DNAVDEALAG YCDRIVLTLL ADGGIRVEDN GRGIPTGTAP GQELPALTLA
     LTVLHAGGKF GGGGYKVSGG LHGVGVSVVN ALSTRLVAEV KNRGHLWRQS FSAGVPDGEL
     EQVRPVEPDE GTGTTITYWA SPDIFETTTH SLETITSRIR EYAFLNKGLE IVVRDERPAA
     AEIVDAVEDD TVDPDHRGGI DDAGHDAIKR GEGGALEQIF KYDRGLIDYV EHLNRRKTAA
     NPTVIAFEAE TPESVENHMS LEVAMQWNTS FSESVHTFAN TINTHEGGTH EEGFRAALTS
     LVNNWGFEWG LMKKPEDRVS GDDIREGLTA IISIKLGEPQ FEGQTKTKLG NTEAKGFVQR
     LVNDQLGAWL EQNPAEGRDI VRKAQAAASA RIAARKARDL ARSRKGLLGG GGLPGKLSDC
     QSTNPAECEV FIVEGDSAGG SARQGRDPRI QAILPIRGKI LNVEKARIDK VLSNQEVQSI
     ISALGTGIQD EFDIEKLRYH KVVLMADADV DGHHINTLLL TLLFRFMKPL IEGGYVYMAQ
     PPLYRLRWNK PHEHEFVYSD AERDALLRAG QEAGKKLPKE NPVQRYKGLG EMNAKELWET
     TMDPEQRLML QVTLDDAAHA DEIFSILMGE DVEQRRSFIQ RNAKDVRFLD I
//

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