ID   CISY_RICBR              Reviewed;         435 AA.
AC   Q1RGV8;
DT   23-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   16-MAY-2006, sequence version 1.
DT   03-AUG-2022, entry version 90.
DE   RecName: Full=Citrate synthase;
DE            EC=2.3.3.16;
GN   Name=gltA; OrderedLocusNames=RBE_1325;
OS   Rickettsia bellii (strain RML369-C).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC   Rickettsiaceae; Rickettsieae; Rickettsia; belli group.
OX   NCBI_TaxID=336407;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RML369-C;
RX   PubMed=16703114; DOI=10.1371/journal.pgen.0020076;
RA   Ogata H., La Scola B., Audic S., Renesto P., Blanc G., Robert C.,
RA   Fournier P.-E., Claverie J.-M., Raoult D.;
RT   "Genome sequence of Rickettsia bellii illuminates the role of amoebae in
RT   gene exchanges between intracellular pathogens.";
RL   PLoS Genet. 2:733-744(2006).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=acetyl-CoA + H2O + oxaloacetate = citrate + CoA + H(+);
CC         Xref=Rhea:RHEA:16845, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16452, ChEBI:CHEBI:16947, ChEBI:CHEBI:57287,
CC         ChEBI:CHEBI:57288; EC=2.3.3.16; Evidence={ECO:0000255|PROSITE-
CC         ProRule:PRU10117};
CC   -!- PATHWAY: Carbohydrate metabolism; tricarboxylic acid cycle; isocitrate
CC       from oxaloacetate: step 1/2.
CC   -!- MISCELLANEOUS: Citrate synthase is found in nearly all cells capable of
CC       oxidative metabolism.
CC   -!- SIMILARITY: Belongs to the citrate synthase family. {ECO:0000305}.
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DR   EMBL; CP000087; ABE05406.1; -; Genomic_DNA.
DR   RefSeq; WP_011477976.1; NC_007940.1.
DR   AlphaFoldDB; Q1RGV8; -.
DR   SMR; Q1RGV8; -.
DR   STRING; 336407.RBE_1325; -.
DR   EnsemblBacteria; ABE05406; ABE05406; RBE_1325.
DR   KEGG; rbe:RBE_1325; -.
DR   eggNOG; COG0372; Bacteria.
DR   HOGENOM; CLU_025068_0_0_5; -.
DR   OMA; TVGWCAQ; -.
DR   OrthoDB; 1412360at2; -.
DR   UniPathway; UPA00223; UER00717.
DR   Proteomes; UP000001951; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:InterPro.
DR   GO; GO:0004108; F:citrate (Si)-synthase activity; IEA:InterPro.
DR   GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-UniPathway.
DR   CDD; cd06114; EcCS_like; 1.
DR   Gene3D; 1.10.230.10; -; 1.
DR   Gene3D; 1.10.580.10; -; 1.
DR   InterPro; IPR016142; Citrate_synth-like_lrg_a-sub.
DR   InterPro; IPR016143; Citrate_synth-like_sm_a-sub.
DR   InterPro; IPR002020; Citrate_synthase.
DR   InterPro; IPR019810; Citrate_synthase_AS.
DR   InterPro; IPR024176; Citrate_synthase_bac-typ.
DR   InterPro; IPR036969; Citrate_synthase_sf.
DR   InterPro; IPR010953; Citrate_synthase_typ-I.
DR   Pfam; PF00285; Citrate_synt; 1.
DR   PIRSF; PIRSF001369; Citrate_synth; 1.
DR   PRINTS; PR00143; CITRTSNTHASE.
DR   SUPFAM; SSF48256; SSF48256; 1.
DR   TIGRFAMs; TIGR01798; cit_synth_I; 1.
DR   PROSITE; PS00480; CITRATE_SYNTHASE; 1.
PE   3: Inferred from homology;
KW   Transferase; Tricarboxylic acid cycle.
FT   CHAIN           1..435
FT                   /note="Citrate synthase"
FT                   /id="PRO_0000273146"
FT   ACT_SITE        311
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU10117"
FT   ACT_SITE        370
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU10117"
SQ   SEQUENCE   435 AA;  49385 MW;  915B621AB5C5154F CRC64;
     MTSENNNTEF AELKIRDKIF KLPILKASIG QDVIDISKVY SEADCFTYDP GFMSTASCRS
     TITYIDGDQG ILRHRGYDIK DLAEKSDFLE VAYLLIYGEL PNNKQYNDFT KKVAHHALVN
     ERLHYLFQTF CSSSHPMAIM LAAVGSLSAF YPDLLNFFKE ADYELTAIRM IAKIPTIAAM
     SYKYSIGQPF VYPDNSLDFT ENFLHMMFAT PCEKYKVNPV IKNALNKIFI LHADHEQNAS
     TSTVRIAGSS GANPFACVST GIASLWGPAH GGANEAVINM LKEIGSVENI PKYIAKAKDK
     NDNFRLMGFG HRVYKNYDPR AAVLKETCKE VLKELGQLDN NPLLQIAIEL EAIALKDEYF
     IERKLYPNVD FYSGIIYKAM GIPPQMFTVL FATARTVGWM AQWKEMHEDP EQKISRPRQL
     YTGQVHREYK TIKER