ID A0A1Q7HRH7_9CHLR Unreviewed; 837 AA.
AC A0A1Q7HRH7;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 27-MAR-2024, entry version 27.
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=AUH85_12925 {ECO:0000313|EMBL:OLC54018.1};
OS Chloroflexi bacterium 13_1_40CM_4_68_4.
OC Bacteria; Chloroflexota.
OX NCBI_TaxID=1805077 {ECO:0000313|EMBL:OLC54018.1, ECO:0000313|Proteomes:UP000185706};
RN [1] {ECO:0000313|EMBL:OLC54018.1, ECO:0000313|Proteomes:UP000185706}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=27843720;
RA Butterfield C.N., Li Z., Andeer P.F., Spaulding S., Thomas B.C., Singh A.,
RA Hettich R.L., Suttle K.B., Probst A.J., Tringe S.G., Northen T., Pan C.,
RA Banfield J.F.;
RT "Proteogenomic analyses indicate bacterial methylotrophy and archaeal
RT heterotrophy are prevalent below the grass root zone.";
RL PeerJ 4:E2687-E2687(2016).
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:OLC54018.1}.
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DR EMBL; MNFM01000135; OLC54018.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Q7HRH7; -.
DR Proteomes; UP000185706; 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};
KW Topoisomerase {ECO:0000256|ARBA:ARBA00023029, ECO:0000256|HAMAP-
KW Rule:MF_01897}.
FT DOMAIN 13..481
FT /note="DNA topoisomerase type IIA"
FT /evidence="ECO:0000259|SMART:SM00434"
FT MOTIF 543..549
FT /note="GyrA-box"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01897"
FT ACT_SITE 124
FT /note="O-(5'-phospho-DNA)-tyrosine intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01897"
SQ SEQUENCE 837 AA; 93071 MW; BEED7A62A857D25D CRC64;
MINEPAQERI VQADIEREMR RAYLDYAMSV IVERALPEVR DGLKPVQRRI LWTMHELGLA
PNRATRKSAN IVGEVMGQYH PHGDAPIYDA LVRLAQPFSM RYPLITGQGN FGSIDDDPPA
HMRYTEAKLS PIAQELLADI EKDTVDFVSN YDGRRQQPTV LPTKLPNLIL NGSAGIAVGM
ATNIPPHNLR EIAEAIKKLI ADPETTSDDL CEIVKGPDFP GGGVIYRYEE QKNVETGALE
RVDAIRRAYA NGRGRILMRA LASKELLKGN REAIIVTEIP YAVNKAALIE KIAELVTAKR
IDGISDIRDE SDRDGMRIVI EVKRDGDSRK VLNQLFKHTA MQSAFNVNML ALVDQQPRTM
GLKDVLEHFI AHRKTVIRRR TQFDLDRAKE RAHILEGLKI AHENLDAIIK MIRAHRGNEP
LLVEKLRESF KLSDAQAKAI LEMQLRRLSQ LERAKLEEEY TATIKLISEL ESILASARKI
QHIITTELDQ LVEKFGDDRR TKILDDASRE LSAEDLVADE DVVVTISGRN YIKRVPLSTF
KQQHRGGRGV TGMQVREEDE VQHLVVCRTH DRIYFFTERG RVFATKVYEL PDASRTGKGT
PLQNILEAMA AGERVEAIVA LRDTVAADYL VMATRKGFIK KTAIKEYENV RRAGLIAIAL
RKGDELAWAQ EARKGALVVL ATRRGKAIVF KESDARPMGR DTQGVTGIRL GKGDEVVGMG
IARKGMQVLS VTENGFGKRS AIEDFPVQGR GGSGVILAAL TPKTGTVTSV QTVDQAMEEV
IVISRTGIVI RVPMDQIKIL GRATMGVKIM ATGEAKIATI EVFASTRPAQ AQLGLDT
//
