ID   PYRB_CLOD6              Reviewed;         306 AA.
AC   Q18CS8;
DT   26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   25-JUL-2006, sequence version 1.
DT   03-AUG-2022, entry version 99.
DE   RecName: Full=Aspartate carbamoyltransferase {ECO:0000255|HAMAP-Rule:MF_00001};
DE            EC=2.1.3.2 {ECO:0000255|HAMAP-Rule:MF_00001};
DE   AltName: Full=Aspartate transcarbamylase {ECO:0000255|HAMAP-Rule:MF_00001};
DE            Short=ATCase {ECO:0000255|HAMAP-Rule:MF_00001};
GN   Name=pyrB {ECO:0000255|HAMAP-Rule:MF_00001}; OrderedLocusNames=CD630_01840;
OS   Clostridioides difficile (strain 630) (Peptoclostridium difficile).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Peptostreptococcaceae;
OC   Clostridioides.
OX   NCBI_TaxID=272563;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=630;
RX   PubMed=16804543; DOI=10.1038/ng1830;
RA   Sebaihia M., Wren B.W., Mullany P., Fairweather N.F., Minton N.,
RA   Stabler R., Thomson N.R., Roberts A.P., Cerdeno-Tarraga A.M., Wang H.,
RA   Holden M.T.G., Wright A., Churcher C., Quail M.A., Baker S., Bason N.,
RA   Brooks K., Chillingworth T., Cronin A., Davis P., Dowd L., Fraser A.,
RA   Feltwell T., Hance Z., Holroyd S., Jagels K., Moule S., Mungall K.,
RA   Price C., Rabbinowitsch E., Sharp S., Simmonds M., Stevens K., Unwin L.,
RA   Whithead S., Dupuy B., Dougan G., Barrell B., Parkhill J.;
RT   "The multidrug-resistant human pathogen Clostridium difficile has a highly
RT   mobile, mosaic genome.";
RL   Nat. Genet. 38:779-786(2006).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=carbamoyl phosphate + L-aspartate = H(+) + N-carbamoyl-L-
CC         aspartate + phosphate; Xref=Rhea:RHEA:20013, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:29991, ChEBI:CHEBI:32814, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:58228; EC=2.1.3.2; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00001};
CC   -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC       (S)-dihydroorotate from bicarbonate: step 2/3. {ECO:0000255|HAMAP-
CC       Rule:MF_00001}.
CC   -!- SIMILARITY: Belongs to the aspartate/ornithine carbamoyltransferase
CC       superfamily. ATCase family. {ECO:0000255|HAMAP-Rule:MF_00001}.
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DR   EMBL; AM180355; CAJ67006.1; -; Genomic_DNA.
DR   RefSeq; WP_003434504.1; NZ_CP010905.2.
DR   RefSeq; YP_001086654.1; NC_009089.1.
DR   AlphaFoldDB; Q18CS8; -.
DR   SMR; Q18CS8; -.
DR   STRING; 272563.CD630_01840; -.
DR   EnsemblBacteria; CAJ67006; CAJ67006; CD630_01840.
DR   GeneID; 66352733; -.
DR   KEGG; cdf:CD630_01840; -.
DR   KEGG; pdc:CDIF630_00305; -.
DR   PATRIC; fig|272563.120.peg.199; -.
DR   eggNOG; COG0540; Bacteria.
DR   OMA; FPTEREY; -.
DR   PhylomeDB; Q18CS8; -.
DR   BioCyc; PDIF272563:G12WB-289-MON; -.
DR   UniPathway; UPA00070; UER00116.
DR   Proteomes; UP000001978; Chromosome.
DR   GO; GO:0016597; F:amino acid binding; IEA:InterPro.
DR   GO; GO:0004070; F:aspartate carbamoyltransferase 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:0006520; P:cellular amino acid metabolic process; IEA:InterPro.
DR   Gene3D; 3.40.50.1370; -; 2.
DR   HAMAP; MF_00001; Asp_carb_tr; 1.
DR   InterPro; IPR006132; Asp/Orn_carbamoyltranf_P-bd.
DR   InterPro; IPR006130; Asp/Orn_carbamoylTrfase.
DR   InterPro; IPR036901; Asp/Orn_carbamoylTrfase_sf.
DR   InterPro; IPR002082; Asp_carbamoyltransf.
DR   InterPro; IPR006131; Asp_carbamoyltransf_Asp/Orn-bd.
DR   PANTHER; PTHR11405:SF16; PTHR11405:SF16; 1.
DR   Pfam; PF00185; OTCace; 1.
DR   Pfam; PF02729; OTCace_N; 1.
DR   PRINTS; PR00100; AOTCASE.
DR   SUPFAM; SSF53671; SSF53671; 1.
DR   TIGRFAMs; TIGR00670; asp_carb_tr; 1.
DR   PROSITE; PS00097; CARBAMOYLTRANSFERASE; 1.
PE   3: Inferred from homology;
KW   Pyrimidine biosynthesis; Reference proteome; Transferase.
FT   CHAIN           1..306
FT                   /note="Aspartate carbamoyltransferase"
FT                   /id="PRO_0000321091"
SQ   SEQUENCE   306 AA;  34700 MW;  5758EF000FE65FC4 CRC64;
     MLKSRNLIQP EDFSIEEIDE ILELAQKIID NPSKYSRICE GKLLATLFYE PSTRTRLSFE
     SAMNRLGGRV VGFSEPNSSS ASKGETLGDT MRIVSGYVDI IAMRHPQSGA ASEAARYTEV
     PFINAGDGKN QHPTQTLTDL LTIKSLKGTL ESHTIGLCGD LKYGRTVHSL VKAMARYKNT
     KFVFIAPEEL KMPDYIKEAI KGHAYYETNN LDDVIGSLDV LYMTRVQQER FEDKSEYERL
     KNYYILNKAK LEKASKDMLV MHPLPRVNEI DIDVDSDDRA VYFKQAKYGM YVRMALIIKL
     LGINED