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Protein

Pyridoxal 5'-phosphate synthase subunit PdxT

Gene

pdxT

Organism
Archaeoglobus fulgidus (strain ATCC 49558 / VC-16 / DSM 4304 / JCM 9628 / NBRC 100126)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Catalyzes the hydrolysis of glutamine to glutamate and ammonia as part of the biosynthesis of pyridoxal 5'-phosphate. The resulting ammonia molecule is channeled to the active site of PdxS.UniRule annotation

Catalytic activityi

D-ribose 5-phosphate + D-glyceraldehyde 3-phosphate + L-glutamine = pyridoxal 5'-phosphate + L-glutamate + 3 H2O + phosphate.UniRule annotation
L-glutamine + H2O = L-glutamate + NH3.UniRule annotation

Pathwayi: pyridoxal 5'-phosphate biosynthesis

This protein is involved in the pathway pyridoxal 5'-phosphate biosynthesis, which is part of Cofactor biosynthesis.UniRule annotation
View all proteins of this organism that are known to be involved in the pathway pyridoxal 5'-phosphate biosynthesis and in Cofactor biosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei84NucleophileUniRule annotation1
Binding sitei115L-glutamineUniRule annotation1
Active sitei178Charge relay systemUniRule annotation1
Active sitei180Charge relay systemUniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionHydrolase, Lyase
LigandPyridoxal phosphate

Enzyme and pathway databases

UniPathwayiUPA00245

Protein family/group databases

MEROPSiC26.A32

Names & Taxonomyi

Protein namesi
Recommended name:
Pyridoxal 5'-phosphate synthase subunit PdxTUniRule annotation (EC:4.3.3.6UniRule annotation)
Alternative name(s):
Pdx2UniRule annotation
Pyridoxal 5'-phosphate synthase glutaminase subunitUniRule annotation (EC:3.5.1.2UniRule annotation)
Gene namesi
Name:pdxTUniRule annotation
Ordered Locus Names:AF_0509
OrganismiArchaeoglobus fulgidus (strain ATCC 49558 / VC-16 / DSM 4304 / JCM 9628 / NBRC 100126)
Taxonomic identifieri224325 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaArchaeoglobiArchaeoglobalesArchaeoglobaceaeArchaeoglobus
Proteomesi
  • UP000002199 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001356751 – 198Pyridoxal 5'-phosphate synthase subunit PdxTAdd BLAST198

Interactioni

Subunit structurei

In the presence of PdxS, forms a dodecamer of heterodimers. Only shows activity in the heterodimer.UniRule annotation

Protein-protein interaction databases

STRINGi224325.AF0509

Structurei

3D structure databases

ProteinModelPortaliO29741
SMRiO29741
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni52 – 54L-glutamine bindingUniRule annotation3
Regioni142 – 143L-glutamine bindingUniRule annotation2

Sequence similaritiesi

Belongs to the glutaminase PdxT/SNO family.UniRule annotation

Keywords - Domaini

Glutamine amidotransferase

Phylogenomic databases

eggNOGiarCOG00034 Archaea
COG0311 LUCA
KOiK08681
OMAiVFIRAPI
OrthoDBiPOG093Z0AY8

Family and domain databases

CDDicd01749 GATase1_PB, 1 hit
Gene3Di3.40.50.880, 1 hit
HAMAPiMF_01615 PdxT, 1 hit
InterProiView protein in InterPro
IPR029062 Class_I_gatase-like
IPR002161 PdxT/SNO
IPR021196 PdxT/SNO_CS
PANTHERiPTHR31559 PTHR31559, 1 hit
PfamiView protein in Pfam
PF01174 SNO, 1 hit
PIRSFiPIRSF005639 Glut_amidoT_SNO, 1 hit
SUPFAMiSSF52317 SSF52317, 1 hit
TIGRFAMsiTIGR03800 PLP_synth_Pdx2, 1 hit
PROSITEiView protein in PROSITE
PS01236 PDXT_SNO_1, 1 hit
PS51130 PDXT_SNO_2, 1 hit

Sequencei

Sequence statusi: Complete.

O29741-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MKVAVVGVQG DVEEHVLATK RALKRLGIDG EVVATRRRGV VSRSDAVILP
60 70 80 90 100
GGESTTISKL IFSDGIADEI LQLAEEGKPV MGTCAGLILL SKYGDEQVEK
110 120 130 140 150
TNTKLLGLLD AKVKRNAFGR QRESFQVPLD VKYVGKFDAV FIRAPAITEV
160 170 180 190
GKDVEVLATF ENLIVAARQK NVLGLAFHPE LTDDTRIHEF FLKLGETS
Length:198
Mass (Da):21,560
Last modified:January 1, 1998 - v1
Checksum:i42293EBF92A2869F
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE000782 Genomic DNA Translation: AAB90721.1
PIRiE69313
RefSeqiWP_010878016.1, NC_000917.1

Genome annotation databases

EnsemblBacteriaiAAB90721; AAB90721; AF_0509
GeneIDi24794049
KEGGiafu:AF_0509

Similar proteinsi

Entry informationi

Entry nameiPDXT_ARCFU
AccessioniPrimary (citable) accession number: O29741
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 5, 2005
Last sequence update: January 1, 1998
Last modified: June 20, 2018
This is version 96 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

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

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