ID F7X1G1_SINMM Unreviewed; 401 AA.
AC F7X1G1;
DT 21-SEP-2011, integrated into UniProtKB/TrEMBL.
DT 21-SEP-2011, sequence version 1.
DT 24-JAN-2024, entry version 65.
DE RecName: Full=Carbamoyl-phosphate synthase small chain {ECO:0000256|ARBA:ARBA00019036, ECO:0000256|HAMAP-Rule:MF_01209};
DE EC=6.3.5.5 {ECO:0000256|ARBA:ARBA00012738, ECO:0000256|HAMAP-Rule:MF_01209};
DE AltName: Full=Carbamoyl-phosphate synthetase glutamine chain {ECO:0000256|ARBA:ARBA00030197, ECO:0000256|HAMAP-Rule:MF_01209};
GN Name=carA {ECO:0000256|HAMAP-Rule:MF_01209,
GN ECO:0000313|EMBL:AEH78137.1};
GN OrderedLocusNames=SM11_chr0859 {ECO:0000313|EMBL:AEH78137.1};
OS Sinorhizobium meliloti (strain SM11).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX NCBI_TaxID=707241 {ECO:0000313|EMBL:AEH78137.1, ECO:0000313|Proteomes:UP000009045};
RN [1] {ECO:0000313|EMBL:AEH78137.1, ECO:0000313|Proteomes:UP000009045}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SM11 {ECO:0000313|EMBL:AEH78137.1,
RC ECO:0000313|Proteomes:UP000009045};
RX PubMed=21396969; DOI=10.1016/j.jbiotec.2010.12.018;
RA Schneiker-Bekel S., Wibberg D., Bekel T., Blom J., Linke B., Neuweger H.,
RA Stiens M., Vorholter F.J., Weidner S., Goesmann A., Puhler A., Schluter A.;
RT "The complete genome sequence of the dominant Sinorhizobium meliloti field
RT isolate SM11 extends the S. meliloti pan-genome.";
RL J. Biotechnol. 155:20-33(2011).
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;
CC Evidence={ECO:0000256|ARBA:ARBA00001777, 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.
CC {ECO:0000256|ARBA:ARBA00004812, ECO:0000256|HAMAP-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.
CC {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; CP001830; AEH78137.1; -; Genomic_DNA.
DR RefSeq; WP_010969856.1; NZ_JAJJBH010000001.1.
DR AlphaFoldDB; F7X1G1; -.
DR SMR; F7X1G1; -.
DR MEROPS; C26.954; -.
DR GeneID; 61603786; -.
DR KEGG; smx:SM11_chr0859; -.
DR PATRIC; fig|707241.3.peg.898; -.
DR HOGENOM; CLU_035901_2_2_5; -.
DR OMA; CFNTGMT; -.
DR UniPathway; UPA00068; UER00171.
DR UniPathway; UPA00070; UER00115.
DR Proteomes; UP000009045; 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|ARBA:ARBA00022571, ECO:0000256|HAMAP-
KW 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}.
FT DOMAIN 12..146
FT /note="Carbamoyl-phosphate synthase small subunit N-
FT terminal"
FT /evidence="ECO:0000259|SMART:SM01097"
FT REGION 1..206
FT /note="CPSase"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209"
FT ACT_SITE 284
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209,
FT ECO:0000256|PROSITE-ProRule:PRU00605"
FT ACT_SITE 368
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209,
FT ECO:0000256|PROSITE-ProRule:PRU00605"
FT ACT_SITE 370
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01209,
FT ECO:0000256|PROSITE-ProRule:PRU00605"
SQ SEQUENCE 401 AA; 43129 MW; 4AB7304A1EBD45E0 CRC64;
MTATPAWTIQ KPTALLVLAD GTVIEGKGIG ATGTVQAEVC FNTALTGYQE ILTDPSYLGQ
IVTFTFPHIG NIGANDEDIE DLTPAARHGA VGVIFKADIT EPSNYRAAKH LDAWLKARGI
IGLCGIDTRA LTAWIRENGM PNAVIAHDPA GVFDVEALKA EAKAWSGLEG LDLAKVATSG
QSYRWNEKPW VWNEGYSTLG ETDAAYHVVA LDYGVKRNIL RLFAGLNCRV TVVPAQTSAE
EVLALKPDGI FLSNGPGDPA ATGEYAVPVI QDLLKTDIPV FGICLGHQML ALALGARTEK
MHQGHHGANH PVKDHTTGKV EIVSMNHGFA VDANSLPQGV EQTHISLFDG TNCGLRVDGR
PVFSVQHHPE ASPGPQDSHY LFRRFLNLIR EKKGEPALAE R
//