ID D8FD24_9DELT Unreviewed; 807 AA.
AC D8FD24;
DT 05-OCT-2010, integrated into UniProtKB/TrEMBL.
DT 05-OCT-2010, sequence version 1.
DT 27-MAR-2024, entry version 68.
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 ECO:0000313|EMBL:EFK06331.1};
GN ORFNames=NPH_5480 {ECO:0000313|EMBL:EFK06331.1};
OS delta proteobacterium NaphS2.
OC Bacteria; Deltaproteobacteria.
OX NCBI_TaxID=88274 {ECO:0000313|EMBL:EFK06331.1, ECO:0000313|Proteomes:UP000003834};
RN [1] {ECO:0000313|EMBL:EFK06331.1, ECO:0000313|Proteomes:UP000003834}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NaphS2 {ECO:0000313|EMBL:EFK06331.1,
RC ECO:0000313|Proteomes:UP000003834};
RX PubMed=21124915; DOI=10.1371/journal.pone.0014072;
RA Didonato R.J., Young N.D., Butler J.E., Chin K.J., Hixson K.K., Mouser P.,
RA Lipton M.S., Deboy R., Methe B.A.;
RT "Genome Sequence of the Deltaproteobacterial Strain NaphS2 and Analysis of
RT Differential Gene Expression during Anaerobic Growth on Naphthalene.";
RL PLoS ONE 5:E14072-E14072(2010).
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:EFK06331.1}.
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DR EMBL; ADZZ01000661; EFK06331.1; -; Genomic_DNA.
DR AlphaFoldDB; D8FD24; -.
DR OrthoDB; 9806486at2; -.
DR Proteomes; UP000003834; 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:UP000003834};
KW Topoisomerase {ECO:0000256|ARBA:ARBA00023029, ECO:0000256|HAMAP-
KW Rule:MF_01897}.
FT DOMAIN 10..463
FT /note="DNA topoisomerase type IIA"
FT /evidence="ECO:0000259|SMART:SM00434"
FT MOTIF 524..530
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 807 AA; 90726 MW; DC8936D1A4402F99 CRC64;
MMQDLEPEFV NIEDEMKKSY LEYSMSVIVG RALPDIRDGL KPVHRRVLFA MNDLKNFFNR
PFKKSARVVG DVIGKYHPHG DTAVYDTIVR MAQDFSLRYC LVDGQGNFGS VDGDPPAAMR
YTEVRMTRTA EDFLADLEKE TVDFVPTYDG TLLEPLVLPT KVPNLLINGS SGIAVGMATN
IPPHNLMEIC RGIEKVVDNP NISLGELMGV IPGPDFPTAG FILGKQGIID AYSTGRGIIK
IRSRAFVEKF AHNKERIIVS EIPYQVNKGK LLEKIAAQVR EKKIEGISEI RDESDRDGMR
IVIEIKRDAY ALVILNQLYK FTQMEVSFGI ILLAIVNGRP EILTLKGMID HFIKHRREII
VRRTIFDLKK AEARAHILEG LKKALDFLDE VIELIRSSSD AKEAKSRLMA EFQFSEIQAQ
AILDMRLQRL TGLEREKIHA EYEALLKDIA HYKAILATPS MVLDIIKEEL LEIRNAYGDE
RRSEIIDDAE EIDMEDLIAE EDMVVTVSHQ GYIKRNPISL YRAQRRGGKG LTGAKPKEED
FVEHLFVASS HDYFLFFTNK GRVYWKKVHE IPEGGRMSRG KAIVNLLDLK KGERLATILP
VRDYEEGKYV VMATKMGFVK KTELKAYSHP RSVGTIGLKI RENDELIAVR VSSGDQDIFL
TTKEGKSIRF KESELRSMGR VAAGNIGIKM ETGNEVVGME TLGEGATILT VTENGFGKRT
NREEYPTQAR AGKGVITIKT SERNGLVVYA YEVTDQDELM IITGHGKIIR IRAADISVIG
RNTQGVKLID LGEGEKVVGV AKIMEDD
//
