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Protein

Aspartate carbamoyltransferase

Gene

pyrB

Organism
Thermus aquaticus
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Protein inferred from homologyi

Functioni

Catalytic activityi

Carbamoyl phosphate + L-aspartate = phosphate + N-carbamoyl-L-aspartate.

Pathwayi: UMP biosynthesis via de novo pathway

This protein is involved in step 2 of the subpathway that synthesizes (S)-dihydroorotate from bicarbonate.
Proteins known to be involved in the 3 steps of the subpathway in this organism are:
  1. Carbamoyl-phosphate synthase small chain (carA), Carbamoyl-phosphate synthase large chain (carB)
  2. Aspartate carbamoyltransferase (pyrB), Aspartate carbamoyltransferase (pyrB)
  3. Dihydroorotase (pyrC), Dihydroorotase (pyrC)
This subpathway is part of the pathway UMP biosynthesis via de novo pathway, which is itself part of Pyrimidine metabolism.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes (S)-dihydroorotate from bicarbonate, the pathway UMP biosynthesis via de novo pathway and in Pyrimidine metabolism.

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Transferase

Keywords - Biological processi

Pyrimidine biosynthesis

Enzyme and pathway databases

UniPathwayiUPA00070; UER00116.

Names & Taxonomyi

Protein namesi
Recommended name:
Aspartate carbamoyltransferase (EC:2.1.3.2)
Alternative name(s):
Aspartate transcarbamylase
Short name:
ATCase
Gene namesi
Name:pyrB
OrganismiThermus aquaticus
Taxonomic identifieri271 [NCBI]
Taxonomic lineageiBacteriaDeinococcus-ThermusDeinococciThermalesThermaceaeThermus

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 301301Aspartate carbamoyltransferasePRO_0000113219Add
BLAST

Structurei

3D structure databases

ProteinModelPortaliP96079.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the ATCase/OTCase family.Curated

Family and domain databases

Gene3Di3.40.50.1370. 2 hits.
HAMAPiMF_00001. Asp_carb_tr. 1 hit.
InterProiIPR006132. Asp/Orn_carbamoyltranf_P-bd.
IPR006130. Asp/Orn_carbamoylTrfase.
IPR002082. Asp_carbamoyltransf.
IPR006131. Asp_carbamoyltransf_Asp/Orn-bd.
[Graphical view]
PfamiPF00185. OTCace. 1 hit.
PF02729. OTCace_N. 1 hit.
[Graphical view]
PRINTSiPR00100. AOTCASE.
PR00101. ATCASE.
SUPFAMiSSF53671. SSF53671. 1 hit.
TIGRFAMsiTIGR00670. asp_carb_tr. 1 hit.
PROSITEiPS00097. CARBAMOYLTRANSFERASE. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P96079-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MRHLLDFQGW TRPEVESLLD TARVMREVLE RPVKKVPALQ GFTVATVFFE
60 70 80 90 100
PSTRTRISFE LAARRMSADV VSFAAQTSSL QKGESYKDTL LTLEAMGVDA
110 120 130 140 150
YVIRADSAGV PHQATRWVKG AVINGGDGRR AHPTQALLDA YTLLEALGTL
160 170 180 190 200
EGKKVAIVGD ILHSRVARSN AELLPLLGAQ VFCAGPPSLL PQSLPGAHLT
210 220 230 240 250
PRLEEALEEA DAVMVLRLQK ERMEAGLVHL EDYIARYQVT EKRLALAKPQ
260 270 280 290 300
APLLHPGPMN RDVELEGTLA DSARSLVNRQ VQNGVAVRMA VLYHLLVGKG

R
Length:301
Mass (Da):32,949
Last modified:May 1, 1997 - v1
Checksum:i4A517D776A55E92B
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
Y09536 Genomic DNA. Translation: CAA70729.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
Y09536 Genomic DNA. Translation: CAA70729.1.

3D structure databases

ProteinModelPortaliP96079.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Enzyme and pathway databases

UniPathwayiUPA00070; UER00116.

Family and domain databases

Gene3Di3.40.50.1370. 2 hits.
HAMAPiMF_00001. Asp_carb_tr. 1 hit.
InterProiIPR006132. Asp/Orn_carbamoyltranf_P-bd.
IPR006130. Asp/Orn_carbamoylTrfase.
IPR002082. Asp_carbamoyltransf.
IPR006131. Asp_carbamoyltransf_Asp/Orn-bd.
[Graphical view]
PfamiPF00185. OTCace. 1 hit.
PF02729. OTCace_N. 1 hit.
[Graphical view]
PRINTSiPR00100. AOTCASE.
PR00101. ATCASE.
SUPFAMiSSF53671. SSF53671. 1 hit.
TIGRFAMsiTIGR00670. asp_carb_tr. 1 hit.
PROSITEiPS00097. CARBAMOYLTRANSFERASE. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiPYRB_THEAQ
AccessioniPrimary (citable) accession number: P96079
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 30, 2000
Last sequence update: May 1, 1997
Last modified: July 22, 2015
This is version 74 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.