(data stored in ACNUC7421 zone)

SWISSPROT: D1CDG8_THET1

ID   D1CDG8_THET1            Unreviewed;       640 AA.
AC   D1CDG8;
DT   19-JAN-2010, integrated into UniProtKB/TrEMBL.
DT   19-JAN-2010, sequence version 1.
DT   08-MAY-2019, entry version 72.
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=Tter_0051 {ECO:0000313|EMBL:ACZ40974.1};
OS   Thermobaculum terrenum (strain ATCC BAA-798 / YNP1).
OC   Bacteria; Thermobaculum.
OX   NCBI_TaxID=525904 {ECO:0000313|EMBL:ACZ40974.1, ECO:0000313|Proteomes:UP000000323};
RN   [1] {ECO:0000313|EMBL:ACZ40974.1, ECO:0000313|Proteomes:UP000000323}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-798 / YNP1 {ECO:0000313|Proteomes:UP000000323};
RX   PubMed=21304745;
RA   Kiss H., Cleland D., Lapidus A., Lucas S., Del Rio T.G., Nolan M.,
RA   Tice H., Han C., Goodwin L., Pitluck S., Liolios K., Ivanova N.,
RA   Mavromatis K., Ovchinnikova G., Pati A., Chen A., Palaniappan K.,
RA   Land M., Hauser L., Chang Y.J., Jeffries C.D., Lu M., Brettin T.,
RA   Detter J.C., Goker M., Tindall B.J., Beck B., McDermott T.R.,
RA   Woyke T., Bristow J., Eisen J.A., Markowitz V., Hugenholtz P.,
RA   Kyrpides N.C., Klenk H.P., Cheng J.F.;
RT   "Complete genome sequence of 'Thermobaculum terrenum' type strain
RT   (YNP1).";
RL   Stand. Genomic Sci. 3:153-162(2010).
RN   [2] {ECO:0000313|Proteomes:UP000000323}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-798 / YNP1 {ECO:0000313|Proteomes:UP000000323};
RX   DOI=10.4056/sigs.1153107;
RA   Kiss H., Cleland D., Lapidus A., Lucas S., Glavina Del Rio T.,
RA   Nolan M., Tice H., Han C., Goodwin L., Pitluck S., Liolios K.,
RA   Ivanova N., Mavromatis K., Ovchinnikova G., Pati A., Chen A.,
RA   Palaniappan K., Land M., Hauser L., Chang Y., Jeffries C., Lu M.,
RA   Brettin T., Detter J., Goker M., Tindall B., Beck B., McDermott T.,
RA   Woyke T., Bristow J., Eisen J., Markowitz V., Hugenholtz P.,
RA   Kyrpides N., Klenk H., Cheng J.;
RT   "Complete genome sequence of Thermobaculum terrenum type strain
RT   (YNP1T).";
RL   Stand. Genomic Sci. 3:153-162(2010).
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   -!- COFACTOR:
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000256|SAAS:SAAS00888357};
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; CP001825; ACZ40974.1; -; Genomic_DNA.
DR   STRING; 525904.Tter_0051; -.
DR   EnsemblBacteria; ACZ40974; ACZ40974; Tter_0051.
DR   KEGG; ttr:Tter_0051; -.
DR   eggNOG; ENOG4105C7D; Bacteria.
DR   eggNOG; COG0187; LUCA.
DR   HOGENOM; HOG000075156; -.
DR   KO; K02470; -.
DR   OMA; IYIACPP; -.
DR   BioCyc; TTER525904:G1GGS-51-MONOMER; -.
DR   Proteomes; UP000000323; Chromosome 1.
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 (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   CDD; cd03366; TOPRIM_TopoIIA_GyrB; 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   InterPro; IPR034160; TOPRIM_GyrB.
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; D1CDG8.
DR   SWISS-2DPAGE; D1CDG8.
KW   ATP-binding {ECO:0000256|HAMAP-Rule:MF_01898,
KW   ECO:0000256|SAAS:SAAS00924926};
KW   Complete proteome {ECO:0000313|Proteomes:UP000000323};
KW   Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01898};
KW   DNA-binding {ECO:0000256|SAAS:SAAS00888349};
KW   Isomerase {ECO:0000256|HAMAP-Rule:MF_01898,
KW   ECO:0000256|SAAS:SAAS00924998, ECO:0000313|EMBL:ACZ40974.1};
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:UP000000323};
KW   Topoisomerase {ECO:0000256|HAMAP-Rule:MF_01898,
KW   ECO:0000256|SAAS:SAAS00924964}.
FT   DOMAIN      423    537       Toprim. {ECO:0000259|PROSITE:PS50880}.
SQ   SEQUENCE   640 AA;  71291 MW;  4DB749A5C63FCAD5 CRC64;
     MAQLEEKVIS NYNAESIQVL EGLEAVRKRP GMYIGSTDVR GLHHLIYEIV DNSVDESMAG
     YCDFIEVHIH KDKSVTVRDN GRGIPVGIHP KLKKSALEVV MTVLHAGGKF GSGGYKVSGG
     LHGVGASVVN ALSEYLIAEV HREGKIWRQS YERGVPKTPV EAIGDTDRTG TIITFKPDAD
     LFSTLEYQFD TLAQRFREIA YLNKGLKITF IDDRDDKELT LYFEGGIASF VRHLNKNRNV
     LTEKPIYIHK QLNGIDVEVA IQYTDGFNES LHTFTNNINT VDGGTHLTGF RTALTRTLND
     YAVKNGLLKD SDTKLTGEDV REGLTAVVSV KLPDPQFEGQ TKSKLGSSEA ERVVASVVRD
     GLLSYFDENP SDAKRIIEKA ITAARAREAA RKARDLVVRK GALDGMTLPG KLADCSERDP
     RHSELYIVEG DSAGGSAKQG RDRRFQAILP LRGKILNVEK ARLDKMLSSA EIKALITALG
     TGIGDSFDIS KLRYHRIFLM TDADVDGAHI RTLLLTFFFR HMPDIIKNGH LYIAMPPLYK
     IQVGKEKYFV YSDEERDRVL AGLNGNRSKA IIQRYKGLGE MNPEQLWETT MDPSTRTIMQ
     VTIEDAVKAD ELFDMLMGSN VAPRKKFIQS HAKSVRNLDI
//

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