ID   PYRB_PROMP              Reviewed;         338 AA.
AC   Q7V355;
DT   26-APR-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 101.
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=PMM0233;
OS   Prochlorococcus marinus subsp. pastoris (strain CCMP1986 / NIES-2087 /
OS   MED4).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=59919;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CCMP1986 / NIES-2087 / MED4;
RX   PubMed=12917642; DOI=10.1038/nature01947;
RA   Rocap G., Larimer F.W., Lamerdin J.E., Malfatti S., Chain P., Ahlgren N.A.,
RA   Arellano A., Coleman M., Hauser L., Hess W.R., Johnson Z.I., Land M.L.,
RA   Lindell D., Post A.F., Regala W., Shah M., Shaw S.L., Steglich C.,
RA   Sullivan M.B., Ting C.S., Tolonen A., Webb E.A., Zinser E.R.,
RA   Chisholm S.W.;
RT   "Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche
RT   differentiation.";
RL   Nature 424:1042-1047(2003).
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; BX548174; CAE18692.1; -; Genomic_DNA.
DR   RefSeq; WP_011131872.1; NC_005072.1.
DR   AlphaFoldDB; Q7V355; -.
DR   SMR; Q7V355; -.
DR   STRING; 59919.PMM0233; -.
DR   EnsemblBacteria; CAE18692; CAE18692; PMM0233.
DR   KEGG; pmm:PMM0233; -.
DR   eggNOG; COG0540; Bacteria.
DR   HOGENOM; CLU_043846_2_0_3; -.
DR   OMA; FPTEREY; -.
DR   OrthoDB; 1844275at2; -.
DR   UniPathway; UPA00070; UER00116.
DR   Proteomes; UP000001026; 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..338
FT                   /note="Aspartate carbamoyltransferase"
FT                   /id="PRO_0000113175"
SQ   SEQUENCE   338 AA;  37168 MW;  580F4538EBF676D6 CRC64;
     MGNWPHKHIL TLSNFSIDDY ESVIELTERF KSLNNAGTKK IPALQGKLIT SIFFEASTRT
     RNSFELAAKR LSADVQSFSP SSSSLSKGET LIDTALTYAA MGSDILVIRH SSSHVPLEIS
     KKLDASKAKT SVLNAGDGLH SHPSQGLLDL YTLIKFFSPK LLKPEILNSK KILIVGDVIH
     SRVARSNLWA LTAFGANIIL CGPPTLIPEE FTDFVSSSPP NQLRDPISSR GSITISSSLE
     ESIKCADAVI VLRLQKERMI ENLLSSIKSY SENYCLTPEK LSLNCKDIPI LHPGPINRGI
     EISSRVVDEY PNCLINDQVS NGIPTRMALL YLLSKFNN