ID Q7NRH7_CHRVO Unreviewed; 375 AA.
AC Q7NRH7;
DT 15-DEC-2003, integrated into UniProtKB/TrEMBL.
DT 15-DEC-2003, sequence version 1.
DT 27-MAR-2024, entry version 135.
DE RecName: Full=Carbamoyl phosphate synthase small chain {ECO:0000256|HAMAP-Rule:MF_01209};
DE EC=6.3.5.5 {ECO:0000256|HAMAP-Rule:MF_01209};
DE AltName: Full=Carbamoyl phosphate synthetase glutamine chain {ECO:0000256|HAMAP-Rule:MF_01209};
GN Name=carA {ECO:0000256|HAMAP-Rule:MF_01209,
GN ECO:0000313|EMBL:AAQ61466.1};
GN OrderedLocusNames=CV_3804 {ECO:0000313|EMBL:AAQ61466.1};
OS Chromobacterium violaceum (strain ATCC 12472 / DSM 30191 / JCM 1249 / NBRC
OS 12614 / NCIMB 9131 / NCTC 9757).
OC Bacteria; Pseudomonadota; Betaproteobacteria; Neisseriales;
OC Chromobacteriaceae; Chromobacterium.
OX NCBI_TaxID=243365 {ECO:0000313|EMBL:AAQ61466.1, ECO:0000313|Proteomes:UP000001424};
RN [1] {ECO:0000313|EMBL:AAQ61466.1, ECO:0000313|Proteomes:UP000001424}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 12472 / DSM 30191 / JCM 1249 / NBRC 12614 / NCIMB 9131 /
RC NCTC 9757 {ECO:0000313|Proteomes:UP000001424};
RX PubMed=14500782; DOI=10.1073/pnas.1832124100;
RA Vasconcelos A.T.R., de Almeida D.F., Almeida F.C., de Almeida L.G.P.,
RA de Almeida R., Goncalves J.A.A., Andrade E.M., Antonio R.V., Araripe J.,
RA de Araujo M.F.F., Filho S.A., Azevedo V., Batista A.J., Bataus L.A.M.,
RA Batista J.S., Belo A., vander Berg C., Blamey J., Bogo M., Bonato S.,
RA Bordignon J., Brito C.A., Brocchi M., Burity H.A., Camargo A.A.,
RA Cardoso D.D.P., Carneiro N.P., Carraro D.M., Carvalho C.M.B.,
RA Cascardo J.C.M., Cavada B.S., Chueire L.M.O., Pasa T.B.C., Duran N.,
RA Fagundes N., Falcao C.L., Fantinatti F., Farias I.P., Felipe M.S.S.,
RA Ferrari L.P., Ferro J.A., Ferro M.I.T., Franco G.R., Freitas N.S.A.,
RA Furlan L.R., Gazzinelli R.T., Gomes E.A., Goncalves P.R., Grangeiro T.B.,
RA Grattapaglia D., Grisard E.C., Guimaraes C.T., Hanna E.S., Hungria M.,
RA Jardim S.N., Laurino J., Leoi L.C.T., Fassarella L., Lima A.,
RA Loureiro M.F., Lyra M.C.P., Macedo M., Madeira H.M.F., Manfio G.P.,
RA Maranhao A.Q., Martins W.S., di Mauro S.M.Z., de Medeiros S.R.B.,
RA Meissner R.D.V., Menck C.F.M., Moreira M.A.M., Nascimento F.F.,
RA Nicolas M.F., Oliveira J.G., Oliveira S.C., Paixao R.F.C., Parente J.A.,
RA Pedrosa F.O., Pena S.J.D., Perreira J.O., Perreira M., Pinto L.S.R.C.,
RA Pinto L.S., Porto J.I.R., Potrich D.P., Neto C.E.R., Reis A.M.M.,
RA Rigo L.U., Rondinelli E., dos Santos E.B.P., Santos F.R., Schneider M.P.C.,
RA Seuanez H.N., Silva A.M.R., da Silva A.L.C., Silva D.W., Silva R.,
RA Simoes I.C., Simon D., Soares C.M.A., Soares R.B.A., Souza E.M.,
RA Souza K.R.L., Souza R.C., Steffens M.B.R., Steindel M., Teixeira S.R.,
RA Urmenyi T., Vettore A., Wassem R., Zaha A., Simpson A.J.G.;
RT "The complete genome sequence of Chromobacterium violaceum reveals
RT remarkable and exploitable bacterial adaptability.";
RL Proc. Natl. Acad. Sci. U.S.A. 100:11660-11665(2003).
CC -!- FUNCTION: Small subunit of the glutamine-dependent carbamoyl phosphate
CC synthetase (CPSase). CPSase catalyzes the formation of carbamoyl
CC phosphate from the ammonia moiety of glutamine, carbonate, and
CC phosphate donated by ATP, constituting the first step of 2 biosynthetic
CC pathways, one leading to arginine and/or urea and the other to
CC pyrimidine nucleotides. The small subunit (glutamine amidotransferase)
CC binds and cleaves glutamine to supply the large subunit with the
CC substrate ammonia. {ECO:0000256|HAMAP-Rule:MF_01209}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 ATP + H2O + hydrogencarbonate + L-glutamine = 2 ADP +
CC carbamoyl phosphate + 2 H(+) + L-glutamate + phosphate;
CC Xref=Rhea:RHEA:18633, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17544, ChEBI:CHEBI:29985, ChEBI:CHEBI:30616,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:58228, ChEBI:CHEBI:58359,
CC ChEBI:CHEBI:456216; EC=6.3.5.5; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_01209};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + L-glutamine = L-glutamate + NH4(+);
CC Xref=Rhea:RHEA:15889, ChEBI:CHEBI:15377, ChEBI:CHEBI:28938,
CC ChEBI:CHEBI:29985, ChEBI:CHEBI:58359; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_01209};
CC -!- PATHWAY: Amino-acid biosynthesis; L-arginine biosynthesis; carbamoyl
CC phosphate from bicarbonate: step 1/1. {ECO:0000256|ARBA:ARBA00005077,
CC ECO:0000256|HAMAP-Rule:MF_01209}.
CC -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC (S)-dihydroorotate from bicarbonate: step 1/3. {ECO:0000256|HAMAP-
CC Rule:MF_01209}.
CC -!- SUBUNIT: Composed of two chains; the small (or glutamine) chain
CC promotes the hydrolysis of glutamine to ammonia, which is used by the
CC large (or ammonia) chain to synthesize carbamoyl phosphate. Tetramer of
CC heterodimers (alpha,beta)4. {ECO:0000256|HAMAP-Rule:MF_01209}.
CC -!- SIMILARITY: Belongs to the CarA family. {ECO:0000256|ARBA:ARBA00007800,
CC ECO:0000256|HAMAP-Rule:MF_01209}.
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DR EMBL; AE016825; AAQ61466.1; -; Genomic_DNA.
DR RefSeq; WP_011137351.1; NC_005085.1.
DR AlphaFoldDB; Q7NRH7; -.
DR STRING; 243365.CV_3804; -.
DR KEGG; cvi:CV_3804; -.
DR eggNOG; COG0505; Bacteria.
DR HOGENOM; CLU_035901_2_1_4; -.
DR OrthoDB; 9804328at2; -.
DR UniPathway; UPA00068; UER00171.
DR UniPathway; UPA00070; UER00115.
DR Proteomes; UP000001424; Chromosome.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004088; F:carbamoyl-phosphate synthase (glutamine-hydrolyzing) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006207; P:'de novo' pyrimidine nucleobase biosynthetic process; IEA:InterPro.
DR GO; GO:0044205; P:'de novo' UMP biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0006526; P:arginine biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0006541; P:glutamine metabolic process; IEA:UniProtKB-UniRule.
DR CDD; cd01744; GATase1_CPSase; 1.
DR Gene3D; 3.40.50.880; -; 1.
DR Gene3D; 3.50.30.20; Carbamoyl-phosphate synthase small subunit, N-terminal domain; 1.
DR HAMAP; MF_01209; CPSase_S_chain; 1.
DR InterPro; IPR006274; CarbamoylP_synth_ssu.
DR InterPro; IPR002474; CarbamoylP_synth_ssu_N.
DR InterPro; IPR036480; CarbP_synth_ssu_N_sf.
DR InterPro; IPR029062; Class_I_gatase-like.
DR InterPro; IPR035686; CPSase_GATase1.
DR InterPro; IPR017926; GATASE.
DR NCBIfam; TIGR01368; CPSaseIIsmall; 1.
DR PANTHER; PTHR11405:SF4; CARBAMOYL-PHOSPHATE SYNTHASE ARGININE-SPECIFIC SMALL CHAIN; 1.
DR PANTHER; PTHR11405; CARBAMOYLTRANSFERASE FAMILY MEMBER; 1.
DR Pfam; PF00988; CPSase_sm_chain; 1.
DR Pfam; PF00117; GATase; 1.
DR PRINTS; PR00097; ANTSNTHASEII.
DR PRINTS; PR00099; CPSGATASE.
DR PRINTS; PR00096; GATASE.
DR SMART; SM01097; CPSase_sm_chain; 1.
DR SUPFAM; SSF52021; Carbamoyl phosphate synthetase, small subunit N-terminal domain; 1.
DR SUPFAM; SSF52317; Class I glutamine amidotransferase-like; 1.
DR PROSITE; PS51273; GATASE_TYPE_1; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_01209};
KW Arginine biosynthesis {ECO:0000256|HAMAP-Rule:MF_01209};
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_01209};
KW Glutamine amidotransferase {ECO:0000256|HAMAP-Rule:MF_01209,
KW ECO:0000256|PROSITE-ProRule:PRU00605};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_01209};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_01209}; Pyrimidine biosynthesis {ECO:0000256|HAMAP-Rule:MF_01209};
KW Reference proteome {ECO:0000313|Proteomes:UP000001424}.
FT DOMAIN 4..134
FT /note="Carbamoyl-phosphate synthase small subunit N-
FT terminal"
FT /evidence="ECO:0000259|SMART:SM01097"
FT REGION 1..189
FT /note="CPSase"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209"
FT ACT_SITE 266
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209,
FT ECO:0000256|PROSITE-ProRule:PRU00605"
FT ACT_SITE 350
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209,
FT ECO:0000256|PROSITE-ProRule:PRU00605"
FT ACT_SITE 352
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209,
FT ECO:0000256|PROSITE-ProRule:PRU00605"
FT BINDING 48
FT /ligand="L-glutamine"
FT /ligand_id="ChEBI:CHEBI:58359"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209"
FT BINDING 238
FT /ligand="L-glutamine"
FT /ligand_id="ChEBI:CHEBI:58359"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209"
FT BINDING 240
FT /ligand="L-glutamine"
FT /ligand_id="ChEBI:CHEBI:58359"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209"
FT BINDING 267
FT /ligand="L-glutamine"
FT /ligand_id="ChEBI:CHEBI:58359"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209"
FT BINDING 270
FT /ligand="L-glutamine"
FT /ligand_id="ChEBI:CHEBI:58359"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209"
FT BINDING 308
FT /ligand="L-glutamine"
FT /ligand_id="ChEBI:CHEBI:58359"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209"
FT BINDING 310
FT /ligand="L-glutamine"
FT /ligand_id="ChEBI:CHEBI:58359"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209"
FT BINDING 311
FT /ligand="L-glutamine"
FT /ligand_id="ChEBI:CHEBI:58359"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209"
SQ SEQUENCE 375 AA; 40300 MW; 1D909B75FFB04828 CRC64;
MSNLPAILVL ADGTLFKGSA IGAAGHTVGE VVFNTAITGY QEILTDPSYT RQIVTLTYPH
IGNVGANSED TESRAVFASG LIIRDLPLLH SNFRAEDSLS DYLKKHNVVA IADIDTRKLT
RILREKGAQA GCIMAGDIDE AKALELARGF GSMAGQDLAK VVSCQKPYAW TEKQWKLGAG
YQVQASTRFH VVAYDFGVKH NILRMLAERG CQLTIVPAQT PAADVLALNP HGVFLSNGPG
DPEPCGYAIA AIRDILETKL PVFGICLGHQ LLGLATGAAT SKMKFGHHGA NHPVQDLDTG
RVMITSQNHG FQVDETSLPA NVRVTHRSLF DGTVQGIALT DRPAFSFQGH PEASPGPEDV
AYLFDRFIAA MAERQ
//
