ID PYRB_AERS4 Reviewed; 306 AA.
AC A4SHP8;
DT 11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT 15-MAY-2007, sequence version 1.
DT 27-MAR-2024, entry version 86.
DE RecName: Full=Aspartate carbamoyltransferase catalytic subunit {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=ASA_0228;
OS Aeromonas salmonicida (strain A449).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Aeromonadales;
OC Aeromonadaceae; Aeromonas.
OX NCBI_TaxID=382245;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=A449;
RX PubMed=18801193; DOI=10.1186/1471-2164-9-427;
RA Reith M.E., Singh R.K., Curtis B., Boyd J.M., Bouevitch A., Kimball J.,
RA Munholland J., Murphy C., Sarty D., Williams J., Nash J.H., Johnson S.C.,
RA Brown L.L.;
RT "The genome of Aeromonas salmonicida subsp. salmonicida A449: insights into
RT the evolution of a fish pathogen.";
RL BMC Genomics 9:427-427(2008).
CC -!- FUNCTION: Catalyzes the condensation of carbamoyl phosphate and
CC aspartate to form carbamoyl aspartate and inorganic phosphate, the
CC committed step in the de novo pyrimidine nucleotide biosynthesis
CC pathway. {ECO:0000255|HAMAP-Rule:MF_00001}.
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: Heterododecamer (2C3:3R2) of six catalytic PyrB chains
CC organized as two trimers (C3), and six regulatory PyrI chains organized
CC as three dimers (R2). {ECO:0000255|HAMAP-Rule:MF_00001}.
CC -!- SIMILARITY: Belongs to the aspartate/ornithine carbamoyltransferase
CC superfamily. ATCase family. {ECO:0000255|HAMAP-Rule:MF_00001}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP000644; ABO88420.1; -; Genomic_DNA.
DR RefSeq; WP_005318439.1; NC_009348.1.
DR AlphaFoldDB; A4SHP8; -.
DR SMR; A4SHP8; -.
DR STRING; 29491.GCA_000820065_01302; -.
DR KEGG; asa:ASA_0228; -.
DR eggNOG; COG0540; Bacteria.
DR HOGENOM; CLU_043846_1_2_6; -.
DR UniPathway; UPA00070; UER00116.
DR Proteomes; UP000000225; 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:amino acid metabolic process; IEA:InterPro.
DR Gene3D; 3.40.50.1370; Aspartate/ornithine carbamoyltransferase; 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 NCBIfam; TIGR00670; asp_carb_tr; 1.
DR PANTHER; PTHR45753:SF6; ASPARTATE CARBAMOYLTRANSFERASE; 1.
DR PANTHER; PTHR45753; ORNITHINE CARBAMOYLTRANSFERASE, MITOCHONDRIAL; 1.
DR Pfam; PF00185; OTCace; 1.
DR Pfam; PF02729; OTCace_N; 1.
DR PRINTS; PR00100; AOTCASE.
DR PRINTS; PR00101; ATCASE.
DR SUPFAM; SSF53671; Aspartate/ornithine carbamoyltransferase; 1.
DR PROSITE; PS00097; CARBAMOYLTRANSFERASE; 1.
PE 3: Inferred from homology;
KW Pyrimidine biosynthesis; Transferase.
FT CHAIN 1..306
FT /note="Aspartate carbamoyltransferase catalytic subunit"
FT /id="PRO_0000301549"
FT BINDING 55
FT /ligand="carbamoyl phosphate"
FT /ligand_id="ChEBI:CHEBI:58228"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00001"
FT BINDING 56
FT /ligand="carbamoyl phosphate"
FT /ligand_id="ChEBI:CHEBI:58228"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00001"
FT BINDING 84
FT /ligand="L-aspartate"
FT /ligand_id="ChEBI:CHEBI:29991"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00001"
FT BINDING 105
FT /ligand="carbamoyl phosphate"
FT /ligand_id="ChEBI:CHEBI:58228"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00001"
FT BINDING 133
FT /ligand="carbamoyl phosphate"
FT /ligand_id="ChEBI:CHEBI:58228"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00001"
FT BINDING 136
FT /ligand="carbamoyl phosphate"
FT /ligand_id="ChEBI:CHEBI:58228"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00001"
FT BINDING 166
FT /ligand="L-aspartate"
FT /ligand_id="ChEBI:CHEBI:29991"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00001"
FT BINDING 227
FT /ligand="L-aspartate"
FT /ligand_id="ChEBI:CHEBI:29991"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00001"
FT BINDING 265
FT /ligand="carbamoyl phosphate"
FT /ligand_id="ChEBI:CHEBI:58228"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00001"
FT BINDING 266
FT /ligand="carbamoyl phosphate"
FT /ligand_id="ChEBI:CHEBI:58228"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00001"
SQ SEQUENCE 306 AA; 34138 MW; A35449D90ECCD956 CRC64;
MTNPLYKKHV ISISDLTRPD MELVVATAQR LKAEPDTRLL KDKLIASCFF EASTRTRLSF
ETAVQRLGGN IIGFADGGNT SAKKGETLAD SIKIIGSYSD AVVMRHPKEG AARLASEFSR
VPVINGGDGS NQHPTQTLLD LFSIHETQGK LDGLNVAFVG DLKYGRTVHS LAQALSLFNC
RFFFISPDAL AMPDYICEEL EEKGIRFSVH ETMEEVMPEL DILYMTRVQK ERFDETEYKH
MAAKFVLELA TLEGAKPTMK ILHPLPRVDE IDVAVDKTPY AYYFQQAENG VYARQALLAL
VLNETV
//
