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B1IRC4

- PDXA_ECOLC

UniProt

B1IRC4 - PDXA_ECOLC

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Protein

4-hydroxythreonine-4-phosphate dehydrogenase

Gene

pdxA

Organism
Escherichia coli (strain ATCC 8739 / DSM 1576 / Crooks)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi

Functioni

Catalyzes the NAD(P)-dependent oxidation of 4-(phosphohydroxy)-L-threonine (HTP) into 2-amino-3-oxo-4-(phosphohydroxy)butyric acid which spontaneously decarboxylates to form 3-amino-2-oxopropyl phosphate (AHAP).UniRule annotation

Catalytic activityi

4-phosphonooxy-L-threonine + NAD+ = 3-amino-2-oxopropyl phosphate + CO2 + NADH.

Cofactori

Zn2+UniRule annotation, Mg2+UniRule annotation, Co2+UniRule annotationNote: Binds 1 divalent metal cation per subunit. Can use ions such as Zn(2+), Mg(2+) or Co(2+).UniRule annotation

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei136 – 1361SubstrateUniRule annotation
Binding sitei137 – 1371SubstrateUniRule annotation
Metal bindingi166 – 1661Divalent metal cation; shared with dimeric partnerUniRule annotation
Metal bindingi211 – 2111Divalent metal cation; shared with dimeric partnerUniRule annotation
Metal bindingi266 – 2661Divalent metal cation; shared with dimeric partnerUniRule annotation
Binding sitei274 – 2741SubstrateUniRule annotation
Binding sitei283 – 2831SubstrateUniRule annotation
Binding sitei292 – 2921SubstrateUniRule annotation

GO - Molecular functioni

  1. 4-hydroxythreonine-4-phosphate dehydrogenase activity Source: UniProtKB-HAMAP
  2. cobalt ion binding Source: UniProtKB-HAMAP
  3. magnesium ion binding Source: UniProtKB-HAMAP
  4. NAD binding Source: InterPro
  5. zinc ion binding Source: UniProtKB-HAMAP

GO - Biological processi

  1. pyridoxal phosphate biosynthetic process Source: UniProtKB-HAMAP
  2. pyridoxine biosynthetic process Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Pyridoxine biosynthesis

Keywords - Ligandi

Cobalt, Magnesium, Metal-binding, NAD, NADP, Zinc

Enzyme and pathway databases

BioCyciECOL481805:GI3G-3685-MONOMER.
UniPathwayiUPA00244; UER00312.

Names & Taxonomyi

Protein namesi
Recommended name:
4-hydroxythreonine-4-phosphate dehydrogenaseUniRule annotation (EC:1.1.1.262UniRule annotation)
Alternative name(s):
4-(phosphohydroxy)-L-threonine dehydrogenaseUniRule annotation
Gene namesi
Name:pdxAUniRule annotation
Ordered Locus Names:EcolC_3603
OrganismiEscherichia coli (strain ATCC 8739 / DSM 1576 / Crooks)
Taxonomic identifieri481805 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia
ProteomesiUP000000317: Chromosome

Subcellular locationi

Cytoplasm UniRule annotation

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 3293294-hydroxythreonine-4-phosphate dehydrogenasePRO_1000081866Add
BLAST

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Protein-protein interaction databases

STRINGi481805.EcolC_3603.

Structurei

3D structure databases

ProteinModelPortaliB1IRC4.
SMRiB1IRC4. Positions 1-329.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the PdxA family.UniRule annotation

Phylogenomic databases

eggNOGiCOG1995.
HOGENOMiHOG000221592.
KOiK00097.
OMAiEQNSAYV.
OrthoDBiEOG6GN6ZC.

Family and domain databases

Gene3Di3.40.718.10. 1 hit.
HAMAPiMF_00536. PdxA.
InterProiIPR024084. IsoPropMal-DH-like_dom.
IPR005255. PdxA.
[Graphical view]
PfamiPF04166. PdxA. 1 hit.
[Graphical view]
TIGRFAMsiTIGR00557. pdxA. 1 hit.

Sequencei

Sequence statusi: Complete.

B1IRC4-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MVKTQRVVIT PGEPAGIGPD LVVQLAQREW PVELVVCADA TLLTDRAAML
60 70 80 90 100
GLPLTLRPYS PNSPAQPQTT GTLTLLPVAL RESVTAGQLA IENGHYVVET
110 120 130 140 150
LARACDGCLN GEFAALITGP VHKGVINDAG IPFTGHTEFF EERSQAKKVV
160 170 180 190 200
MMLATEELRV ALATTHLPLR DIADAITPAL LHEVIAILHH DLRTKFGIAE
210 220 230 240 250
PRILVCGLNP HAGEGGHMGT EEIDTIIPVL DELRAQGMKL NGPLPADTLF
260 270 280 290 300
QPKYLDNADA VLAMYHDQGL PVLKYQGFGR GVNITLGLPF IRTSVDHGTA
310 320
LELAGRGEAD VGSFITALNL AIKMIVNTQ
Length:329
Mass (Da):35,209
Last modified:April 29, 2008 - v1
Checksum:iF732A738D82FE1EC
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000946 Genomic DNA. Translation: ACA79217.1.
RefSeqiYP_001726544.1. NC_010468.1.

Genome annotation databases

EnsemblBacteriaiACA79217; ACA79217; EcolC_3603.
GeneIDi6065044.
KEGGiecl:EcolC_3603.
PATRICi18230308. VBIEscCol82905_3848.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000946 Genomic DNA. Translation: ACA79217.1 .
RefSeqi YP_001726544.1. NC_010468.1.

3D structure databases

ProteinModelPortali B1IRC4.
SMRi B1IRC4. Positions 1-329.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 481805.EcolC_3603.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ACA79217 ; ACA79217 ; EcolC_3603 .
GeneIDi 6065044.
KEGGi ecl:EcolC_3603.
PATRICi 18230308. VBIEscCol82905_3848.

Phylogenomic databases

eggNOGi COG1995.
HOGENOMi HOG000221592.
KOi K00097.
OMAi EQNSAYV.
OrthoDBi EOG6GN6ZC.

Enzyme and pathway databases

UniPathwayi UPA00244 ; UER00312 .
BioCyci ECOL481805:GI3G-3685-MONOMER.

Family and domain databases

Gene3Di 3.40.718.10. 1 hit.
HAMAPi MF_00536. PdxA.
InterProi IPR024084. IsoPropMal-DH-like_dom.
IPR005255. PdxA.
[Graphical view ]
Pfami PF04166. PdxA. 1 hit.
[Graphical view ]
TIGRFAMsi TIGR00557. pdxA. 1 hit.
ProtoNeti Search...

Publicationsi

  1. "Complete sequence of Escherichia coli C str. ATCC 8739."
    Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H., Bruce D., Goodwin L., Pitluck S., Kiss H., Brettin T., Detter J.C., Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L.
    , Kyrpides N., Mikhailova N., Ingram L., Richardson P.
    Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 8739 / DSM 1576 / Crooks.

Entry informationi

Entry nameiPDXA_ECOLC
AccessioniPrimary (citable) accession number: B1IRC4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 20, 2008
Last sequence update: April 29, 2008
Last modified: November 26, 2014
This is version 50 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Miscellaneous

The active site is located at the dimer interface.UniRule annotation

Keywords - Technical termi

Complete proteome

Documents

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

External Data

Dasty 3