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CARA_PHOLL
ID   CARA_PHOLL              Reviewed;         387 AA.
AC   Q7N8W2;
DT   01-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-DEC-2003, sequence version 1.
DT   03-AUG-2022, entry version 122.
DE   RecName: Full=Carbamoyl-phosphate synthase small chain {ECO:0000255|HAMAP-Rule:MF_01209};
DE            EC=6.3.5.5 {ECO:0000255|HAMAP-Rule:MF_01209};
DE   AltName: Full=Carbamoyl-phosphate synthetase glutamine chain {ECO:0000255|HAMAP-Rule:MF_01209};
GN   Name=carA {ECO:0000255|HAMAP-Rule:MF_01209}; OrderedLocusNames=plu0603;
OS   Photorhabdus laumondii subsp. laumondii (strain DSM 15139 / CIP 105565 /
OS   TT01).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Morganellaceae; Photorhabdus.
OX   NCBI_TaxID=243265;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 15139 / CIP 105565 / TT01;
RX   PubMed=14528314; DOI=10.1038/nbt886;
RA   Duchaud E., Rusniok C., Frangeul L., Buchrieser C., Givaudan A.,
RA   Taourit S., Bocs S., Boursaux-Eude C., Chandler M., Charles J.-F.,
RA   Dassa E., Derose R., Derzelle S., Freyssinet G., Gaudriault S., Medigue C.,
RA   Lanois A., Powell K., Siguier P., Vincent R., Wingate V., Zouine M.,
RA   Glaser P., Boemare N., Danchin A., Kunst F.;
RT   "The genome sequence of the entomopathogenic bacterium Photorhabdus
RT   luminescens.";
RL   Nat. Biotechnol. 21:1307-1313(2003).
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:0000255|HAMAP-
CC         Rule:MF_01209};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-arginine biosynthesis; carbamoyl
CC       phosphate from bicarbonate: step 1/1. {ECO:0000255|HAMAP-
CC       Rule:MF_01209}.
CC   -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC       (S)-dihydroorotate from bicarbonate: step 1/3. {ECO:0000255|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.
CC       {ECO:0000255|HAMAP-Rule:MF_01209}.
CC   -!- SIMILARITY: Belongs to the CarA family. {ECO:0000255|HAMAP-
CC       Rule:MF_01209}.
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DR   EMBL; BX571860; CAE12898.1; -; Genomic_DNA.
DR   RefSeq; WP_011144980.1; NC_005126.1.
DR   AlphaFoldDB; Q7N8W2; -.
DR   SMR; Q7N8W2; -.
DR   STRING; 243265.plu0603; -.
DR   MEROPS; C26.954; -.
DR   PRIDE; Q7N8W2; -.
DR   EnsemblBacteria; CAE12898; CAE12898; plu0603.
DR   GeneID; 24168050; -.
DR   KEGG; plu:plu0603; -.
DR   eggNOG; COG0505; Bacteria.
DR   HOGENOM; CLU_035901_2_1_6; -.
DR   OMA; CFNTGMT; -.
DR   OrthoDB; 662268at2; -.
DR   BioCyc; PLUM243265:PLU_RS02970-MON; -.
DR   UniPathway; UPA00068; UER00171.
DR   UniPathway; UPA00070; UER00115.
DR   Proteomes; UP000002514; 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-KW.
DR   CDD; cd01744; GATase1_CPSase; 1.
DR   Gene3D; 3.40.50.880; -; 1.
DR   Gene3D; 3.50.30.20; -; 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   Pfam; PF00988; CPSase_sm_chain; 1.
DR   Pfam; PF00117; GATase; 1.
DR   SMART; SM01097; CPSase_sm_chain; 1.
DR   SUPFAM; SSF52021; SSF52021; 1.
DR   SUPFAM; SSF52317; SSF52317; 1.
DR   TIGRFAMs; TIGR01368; CPSaseIIsmall; 1.
DR   PROSITE; PS51273; GATASE_TYPE_1; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Arginine biosynthesis; ATP-binding;
KW   Glutamine amidotransferase; Ligase; Nucleotide-binding;
KW   Pyrimidine biosynthesis; Reference proteome.
FT   CHAIN           1..387
FT                   /note="Carbamoyl-phosphate synthase small chain"
FT                   /id="PRO_0000112302"
FT   DOMAIN          193..380
FT                   /note="Glutamine amidotransferase type-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01209"
FT   REGION          1..189
FT                   /note="CPSase"
FT   ACT_SITE        269
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01209"
FT   ACT_SITE        353
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01209"
FT   ACT_SITE        355
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01209"
SQ   SEQUENCE   387 AA;  42415 MW;  F8756B2AC2E5F768 CRC64;
     MIKSAILVLE DGTQFHGRAI GAEGAAVGEV VFNTSMTGYQ EILTDPSYSR QIVTLTYPHI
     GNVGVNSVDK ESLKVQAQGL VIRDLPLLTS NFRCEETLSD YLKRHNIVAI ADIDTRKLTR
     LLREKGSQNG CIIAGKQIDA QVALEKAQAF PGLEGMDLAK EVTTKQIYPW LQGSWKLAGG
     LPEDKQEQDL PYHVVAYDFG AKRNILRMLV DRGCRLTVVP AQTSAEDVLK LNPDGIFLSN
     GPGDPAPCGY AIDAVKTLLE TEIPIFGICL GHQLLALASG AETMKMKFGH HGGNHPVKDL
     ECNVVMITAQ NHGFAVDEKS LPSNLRVTHK SLFDGTLQGI HRTDKPAFSF QGHPEASPGP
     HETASLFDHF IELIEQYCQK NNRHNTK
 
 
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