ID   PYRB_PYRHO              Reviewed;         308 AA.
AC   O58451;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1998, sequence version 1.
DT   25-MAY-2022, entry version 128.
DE   RecName: Full=Aspartate carbamoyltransferase;
DE            EC=2.1.3.2;
DE   AltName: Full=Aspartate transcarbamylase;
DE            Short=ATCase;
GN   Name=pyrB; OrderedLocusNames=PH0720;
OS   Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC
OS   100139 / OT-3).
OC   Archaea; Euryarchaeota; Thermococci; Thermococcales; Thermococcaceae;
OC   Pyrococcus.
OX   NCBI_TaxID=70601;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3;
RX   PubMed=9679194; DOI=10.1093/dnares/5.2.55;
RA   Kawarabayasi Y., Sawada M., Horikawa H., Haikawa Y., Hino Y., Yamamoto S.,
RA   Sekine M., Baba S., Kosugi H., Hosoyama A., Nagai Y., Sakai M., Ogura K.,
RA   Otsuka R., Nakazawa H., Takamiya M., Ohfuku Y., Funahashi T., Tanaka T.,
RA   Kudoh Y., Yamazaki J., Kushida N., Oguchi A., Aoki K., Yoshizawa T.,
RA   Nakamura Y., Robb F.T., Horikoshi K., Masuchi Y., Shizuya H., Kikuchi H.;
RT   "Complete sequence and gene organization of the genome of a hyper-
RT   thermophilic archaebacterium, Pyrococcus horikoshii OT3.";
RL   DNA Res. 5:55-76(1998).
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   -!- SUBUNIT: Heterooligomer of catalytic and regulatory chains.
CC       {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the aspartate/ornithine carbamoyltransferase
CC       superfamily. ATCase family. {ECO:0000305}.
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DR   EMBL; BA000001; BAA29811.1; -; Genomic_DNA.
DR   PIR; A71119; A71119.
DR   RefSeq; WP_010884818.1; NC_000961.1.
DR   AlphaFoldDB; O58451; -.
DR   SMR; O58451; -.
DR   STRING; 70601.3257128; -.
DR   EnsemblBacteria; BAA29811; BAA29811; BAA29811.
DR   GeneID; 1443053; -.
DR   KEGG; pho:PH0720; -.
DR   eggNOG; arCOG00911; Archaea.
DR   OMA; FPTEREY; -.
DR   OrthoDB; 51351at2157; -.
DR   UniPathway; UPA00070; UER00116.
DR   Proteomes; UP000000752; 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; Transferase.
FT   CHAIN           1..308
FT                   /note="Aspartate carbamoyltransferase"
FT                   /id="PRO_0000113256"
SQ   SEQUENCE   308 AA;  34862 MW;  E20A6A29F5B25B27 CRC64;
     MEWKGRDVIS IRDFSKEDIE VVLSTAERLE KEMKEKGQLE YAKGKILATL FFEPSTRTRL
     SFESAMHRLG GSVIGFAEAS TSSVKKGESL RDTIKTVEQY SDVIVIRHPK EGAARLAAEV
     ADIPVINAGD GSNQHPTQTL LDLYTIKKEF GTIDGLKIGL LGDLKYGRTV HSLAEALAFY
     DVELYLISPE LLRMPKHIVE ELRERGMKIV ETTKLEEVIG ELDVLYVTRI QKERFPDEQE
     YLKVKGSYQV NLKILENVKD SLRIMHPLPR VDEIHPEVDK TKHAIYFKQV FNGVPVRMAL
     LALVLGVI