ID   PYRB_HELPY              Reviewed;         307 AA.
AC   O25716;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   25-MAY-2022, entry version 125.
DE   RecName: Full=Aspartate carbamoyltransferase;
DE            EC=2.1.3.2;
DE   AltName: Full=Aspartate transcarbamylase;
DE            Short=ATCase;
GN   Name=pyrB; OrderedLocusNames=HP_1084;
OS   Helicobacter pylori (strain ATCC 700392 / 26695) (Campylobacter pylori).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=85962;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700392 / 26695;
RX   PubMed=9252185; DOI=10.1038/41483;
RA   Tomb J.-F., White O., Kerlavage A.R., Clayton R.A., Sutton G.G.,
RA   Fleischmann R.D., Ketchum K.A., Klenk H.-P., Gill S.R., Dougherty B.A.,
RA   Nelson K.E., Quackenbush J., Zhou L., Kirkness E.F., Peterson S.N.,
RA   Loftus B.J., Richardson D.L., Dodson R.J., Khalak H.G., Glodek A.,
RA   McKenney K., FitzGerald L.M., Lee N., Adams M.D., Hickey E.K., Berg D.E.,
RA   Gocayne J.D., Utterback T.R., Peterson J.D., Kelley J.M., Cotton M.D.,
RA   Weidman J.F., Fujii C., Bowman C., Watthey L., Wallin E., Hayes W.S.,
RA   Borodovsky M., Karp P.D., Smith H.O., Fraser C.M., Venter J.C.;
RT   "The complete genome sequence of the gastric pathogen Helicobacter
RT   pylori.";
RL   Nature 388:539-547(1997).
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;
CC   -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC       (S)-dihydroorotate from bicarbonate: step 2/3.
CC   -!- SIMILARITY: Belongs to the aspartate/ornithine carbamoyltransferase
CC       superfamily. ATCase family. {ECO:0000305}.
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DR   EMBL; AE000511; AAD08128.1; -; Genomic_DNA.
DR   PIR; D64655; D64655.
DR   RefSeq; NP_207875.1; NC_000915.1.
DR   RefSeq; WP_001124546.1; NC_018939.1.
DR   AlphaFoldDB; O25716; -.
DR   SMR; O25716; -.
DR   DIP; DIP-3378N; -.
DR   IntAct; O25716; 3.
DR   MINT; O25716; -.
DR   STRING; 85962.C694_05600; -.
DR   PaxDb; O25716; -.
DR   EnsemblBacteria; AAD08128; AAD08128; HP_1084.
DR   KEGG; hpy:HP_1084; -.
DR   PATRIC; fig|85962.47.peg.1163; -.
DR   eggNOG; COG0540; Bacteria.
DR   OMA; FPTEREY; -.
DR   PhylomeDB; O25716; -.
DR   UniPathway; UPA00070; UER00116.
DR   Proteomes; UP000000429; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0016597; F:amino acid binding; IEA:InterPro.
DR   GO; GO:0004070; F:aspartate carbamoyltransferase activity; IBA:GO_Central.
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   GO; GO:0006807; P:nitrogen compound metabolic process; IBA:GO_Central.
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..307
FT                   /note="Aspartate carbamoyltransferase"
FT                   /id="PRO_0000113141"
SQ   SEQUENCE   307 AA;  34068 MW;  B77C515883A45074 CRC64;
     MPKKCRHLLQ TSDLSLDEIK LLLEKASVYA NDFNAVSLET KEKMHNKIIV ALFFENSTRT
     VSSFEIASLR LGAKIVKLNM QTSSASKGET LTDTFKNIHA MQPDAIITRH AFSSAPFKLA
     EFSQCPLINA GSGVSAHPTQ ALLDLLTLYQ HFGSLENLKG KKIAFIGDVK NSRVANSNIK
     LLQRLGLEIM LCAPSSMLPS VSLKTTHNVE EAIAFADILM SLRTQTERHN TPIFASLKDY
     GNAYCITQQR LKAHAKNKEV IILHPGPVHR DIDIESAVLE DERSKVLEQV KNGVAMRMAV
     LEFLLLD