ID   PYRB_PROM1              Reviewed;         339 AA.
AC   A2C066;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   20-FEB-2007, sequence version 1.
DT   25-MAY-2022, entry version 76.
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=NATL1_03121;
OS   Prochlorococcus marinus (strain NATL1A).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=167555;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NATL1A;
RX   PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA   Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA   Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA   Richardson P., Chisholm S.W.;
RT   "Patterns and implications of gene gain and loss in the evolution of
RT   Prochlorococcus.";
RL   PLoS Genet. 3:2515-2528(2007).
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; CP000553; ABM74876.1; -; Genomic_DNA.
DR   RefSeq; WP_011823086.1; NC_008819.1.
DR   AlphaFoldDB; A2C066; -.
DR   SMR; A2C066; -.
DR   STRING; 167555.NATL1_03121; -.
DR   EnsemblBacteria; ABM74876; ABM74876; NATL1_03121.
DR   KEGG; pme:NATL1_03121; -.
DR   eggNOG; COG0540; Bacteria.
DR   HOGENOM; CLU_043846_2_0_3; -.
DR   OMA; FPTEREY; -.
DR   UniPathway; UPA00070; UER00116.
DR   Proteomes; UP000002592; 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..339
FT                   /note="Aspartate carbamoyltransferase"
FT                   /id="PRO_0000301605"
SQ   SEQUENCE   339 AA;  37947 MW;  CC29BB14BDF7FA99 CRC64;
     MNNWKHNHVL DLSTFSLEDY KTVLELTTRF KDVHKSSSKK LPALHGRLIA NLFFEPSTRT
     RTSFELAAKR LSADVQNFSV SSSSLSKGET PLDTILTYIS MGADILVIRH ESTNVPAELA
     NYVDINNINT SILNAGDGFH SHPSQGLLDL FTLATFFNPN EPSTNSLLNK KITIVGDILH
     SRVARSNLWA LTACGAEVTL CGPPSLLPEE FIDFVQNPRL GQNFDPINKR GSVFIKRSLK
     DALKNSDAVM TLRLQKERMK QNMLKDLDSY YAQYGITHES LKWCEKKVPV LHPGPVNRGV
     EISNRLVEDN SINLISKQVE NGIPTRMALL YLLGLNKKD