ID V6S0Y2_9FLAO Unreviewed; 850 AA.
AC V6S0Y2;
DT 19-FEB-2014, integrated into UniProtKB/TrEMBL.
DT 19-FEB-2014, sequence version 1.
DT 27-MAR-2024, entry version 50.
DE RecName: Full=DNA gyrase subunit A {ECO:0000256|HAMAP-Rule:MF_01897};
DE EC=5.6.2.2 {ECO:0000256|HAMAP-Rule:MF_01897};
GN Name=gyrA {ECO:0000256|HAMAP-Rule:MF_01897};
GN ORFNames=Q767_09010 {ECO:0000313|EMBL:KGO95821.1};
OS Flavobacterium enshiense DK69.
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC Flavobacteriaceae; Flavobacterium.
OX NCBI_TaxID=1107311 {ECO:0000313|EMBL:KGO95821.1, ECO:0000313|Proteomes:UP000030149};
RN [1] {ECO:0000313|Proteomes:UP000030149}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DK69 {ECO:0000313|Proteomes:UP000030149};
RA Zeng Z., Chen C.;
RL Submitted (SEP-2013) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:KGO95821.1, ECO:0000313|Proteomes:UP000030149}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DK69 {ECO:0000313|EMBL:KGO95821.1,
RC ECO:0000313|Proteomes:UP000030149};
RX PubMed=26561515; DOI=10.1186/s40793-015-0084-z;
RA Zeng Z., Chen C., Du H., Wang G., Li M.;
RT "High quality draft genomic sequence of Flavobacterium enshiense DK69(T)
RT and comparison among Flavobacterium genomes.";
RL Stand. Genomic Sci. 10:92-92(2015).
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_01897}.
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_01897};
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_01897}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01897}.
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_01897}.
CC -!- SIMILARITY: Belongs to the type II topoisomerase GyrA/ParC subunit
CC family. {ECO:0000256|ARBA:ARBA00008263, ECO:0000256|HAMAP-
CC Rule:MF_01897}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KGO95821.1}.
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DR EMBL; JRLZ01000008; KGO95821.1; -; Genomic_DNA.
DR RefSeq; WP_023574824.1; NZ_JRLZ01000008.1.
DR AlphaFoldDB; V6S0Y2; -.
DR STRING; 1107311.Q767_09010; -.
DR PATRIC; fig|1107311.3.peg.2835; -.
DR eggNOG; COG0188; Bacteria.
DR OrthoDB; 9806486at2; -.
DR Proteomes; UP000030149; Unassembled WGS sequence.
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-UniRule.
DR GO; GO:0034335; F:DNA negative supercoiling activity; IEA:UniProt.
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; cd00187; TOP4c; 1.
DR Gene3D; 3.30.1360.40; -; 1.
DR Gene3D; 2.120.10.90; DNA gyrase/topoisomerase IV, subunit A, C-terminal; 1.
DR Gene3D; 3.90.199.10; Topoisomerase II, domain 5; 1.
DR Gene3D; 1.10.268.10; Topoisomerase, domain 3; 1.
DR HAMAP; MF_01897; GyrA; 1.
DR InterPro; IPR005743; GyrA.
DR InterPro; IPR006691; GyrA/parC_rep.
DR InterPro; IPR035516; Gyrase/topoIV_suA_C.
DR InterPro; IPR013760; Topo_IIA-like_dom_sf.
DR InterPro; IPR013758; Topo_IIA_A/C_ab.
DR InterPro; IPR013757; Topo_IIA_A_a_sf.
DR InterPro; IPR002205; Topo_IIA_dom_A.
DR NCBIfam; TIGR01063; gyrA; 1.
DR PANTHER; PTHR43493:SF5; DNA GYRASE SUBUNIT A, CHLOROPLASTIC_MITOCHONDRIAL; 1.
DR PANTHER; PTHR43493; DNA GYRASE/TOPOISOMERASE SUBUNIT A; 1.
DR Pfam; PF03989; DNA_gyraseA_C; 6.
DR Pfam; PF00521; DNA_topoisoIV; 1.
DR SMART; SM00434; TOP4c; 1.
DR SUPFAM; SSF101904; GyrA/ParC C-terminal domain-like; 1.
DR SUPFAM; SSF56719; Type II DNA topoisomerase; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_01897}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01897};
KW DNA-binding {ECO:0000256|ARBA:ARBA00023125, ECO:0000256|HAMAP-
KW Rule:MF_01897};
KW Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_01897};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_01897}; Reference proteome {ECO:0000313|Proteomes:UP000030149};
KW Topoisomerase {ECO:0000256|ARBA:ARBA00023029, ECO:0000256|HAMAP-
KW Rule:MF_01897}.
FT DOMAIN 10..462
FT /note="DNA topoisomerase type IIA"
FT /evidence="ECO:0000259|SMART:SM00434"
FT MOTIF 523..529
FT /note="GyrA-box"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01897"
FT ACT_SITE 121
FT /note="O-(5'-phospho-DNA)-tyrosine intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01897"
SQ SEQUENCE 850 AA; 95775 MW; D6211DD5C1D00C8A CRC64;
MSEGEKLIPI NIEDEMKSAY IDYSMSVIVS RALPDVRDGL KPVHRRVLFG MYELGVLSNR
AHKKSARIVG EVLGKYHPHG DSSVYDAMVR MAQDWSLRYL MVDGQGNFGS VDGDSPAAMR
YTEARMKKFS EEMLADIDKE TVDFQLNFDD TLEEPKVMPT KVPNLLVNGA SGIAVGMATN
MAPHNLTEVI DGTLAYIDNH DIEIDELMHH IKAPDFPTGG IIYGMDGVRE AFKTGRGRVV
MRAKVNFEEV DGRESIIVTE IPYQVNKASM IKHTADLVNE KKIEGISTIR DESDRNGMRI
VYVLKREAVP NVVLNTLYKY TQLQSSFSVN NIALVNGRPQ MLNLKDLIHY FVEHRHEVVT
RRAQFDLRKA EERAHILEGL IIASDNIDEV IQLIRASKDG DEARAKLIER FNLSEIQARA
IVEMRLRQLT GLEQDKLRAE YDEIMKLIAY LKELLASKEM RMQVIKDELA EIRDKYGDAR
RSQIEYAGGD VSIEDLIADE QVVITISHAG YIKRTPLSEY KTQNRGGVGQ KSAGTRDQDF
LEHMYAATNH QYMLFFTQKG KCFWMRVYEI PEGSKTSKGR AIQNLINIEN DDKVKAFICT
QDLKDQDYIN NHYVIMVTKQ GQVKKTSLEQ YSRPRVNGVA AITIKEDDEL LEAKLTTGNS
QVLIAVKSGK LVRFEEEKTR PMGRTASGVR GITLADEKED EVIGMVSIDR DHVNDSQILV
VTENGYGKRT KVVDEDGEDV YRITNRGGKG VKTLNITEKT GALISINNVT DEDDLMIINK
SGLTIRMKVS DLRVMGRATQ GVRLINIKGK DAIAAVCKVM REDEEEETIE ELVADNGDVA
ISSDETETQE
//