ID   PYRB_METTP              Reviewed;         304 AA.
AC   A0B8L1;
DT   26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   28-NOV-2006, sequence version 1.
DT   25-MAY-2022, entry version 86.
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=Mthe_1256;
OS   Methanothrix thermoacetophila (strain DSM 6194 / JCM 14653 / NBRC 101360 /
OS   PT) (Methanosaeta thermophila).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanotrichales; Methanotrichaceae; Methanothrix.
OX   NCBI_TaxID=349307;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 6194 / JCM 14653 / NBRC 101360 / PT;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Pitluck S., Chain P.,
RA   Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Kim E., Smith K.S., Ingram-Smith C., Richardson P.;
RT   "Complete sequence of Methanosaeta thermophila PT.";
RL   Submitted (OCT-2006) to the EMBL/GenBank/DDBJ databases.
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   -!- SUBUNIT: Heterooligomer of catalytic and regulatory chains.
CC       {ECO:0000255|HAMAP-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; CP000477; ABK15035.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0B8L1; -.
DR   SMR; A0B8L1; -.
DR   STRING; 349307.Mthe_1256; -.
DR   EnsemblBacteria; ABK15035; ABK15035; Mthe_1256.
DR   KEGG; mtp:Mthe_1256; -.
DR   HOGENOM; CLU_043846_1_2_2; -.
DR   OMA; FPTEREY; -.
DR   UniPathway; UPA00070; UER00116.
DR   Proteomes; UP000000674; 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..304
FT                   /note="Aspartate carbamoyltransferase"
FT                   /id="PRO_0000321188"
SQ   SEQUENCE   304 AA;  34086 MW;  B3ED103770B0580C CRC64;
     MLKRRHVLSM KDFSREEIDE ILETAESLEP YARGKGSDIL EGKILALMFF EPSTRTRMSF
     ETAMKRLGGK TINLGSAEAS SIAKGESLAD TIRVVGGYAD AIVIRHPKEG SARLAAEFSP
     VPVLNAGDGA GHHPTQTLLD LYTIKKESHL DDLSIALVGD LKYGRTVHSL AYALSLYGAD
     IYLVSPPTLR MPEQIIGDLS RMGTRVREVS DLREVIKEVD VLYITRIQRE RFPDPVEYNR
     VARSYSITIR DLEGVKPELR IMHPLPRVDE ISPSVDETEH AVYFRQSFYG VPVRMALLKM
     ILED