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P0ABQ7

- DYR8_ECOLX

UniProt

P0ABQ7 - DYR8_ECOLX

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Protein
Dihydrofolate reductase type 8
Gene
dhfrVIII, dhfrIIIc
Organism
Escherichia coli
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis By similarity.

Catalytic activityi

5,6,7,8-tetrahydrofolate + NADP+ = 7,8-dihydrofolate + NADPH.

Pathwayi

GO - Molecular functioni

  1. NADP binding Source: InterPro
  2. dihydrofolate reductase activity Source: UniProtKB-EC
Complete GO annotation...

GO - Biological processi

  1. glycine biosynthetic process Source: InterPro
  2. nucleotide biosynthetic process Source: InterPro
  3. one-carbon metabolic process Source: UniProtKB-KW
  4. response to antibiotic Source: UniProtKB-KW
  5. response to methotrexate Source: UniProtKB-KW
  6. tetrahydrofolate biosynthetic process Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Antibiotic resistance, Methotrexate resistance, One-carbon metabolism, Trimethoprim resistance

Keywords - Ligandi

NADP

Enzyme and pathway databases

UniPathwayiUPA00077; UER00158.

Names & Taxonomyi

Protein namesi
Recommended name:
Dihydrofolate reductase type 8 (EC:1.5.1.3)
Alternative name(s):
DHFR type IIIC
Dihydrofolate reductase type VIII
Gene namesi
Name:dhfrVIII
Synonyms:dhfrIIIc
Encoded oniPlasmid pLMO2260 Publication
OrganismiEscherichia coli
Taxonomic identifieri562 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 169169Dihydrofolate reductase type 8
PRO_0000186425Add
BLAST

Interactioni

Subunit structurei

Homodimer By similarity.

Structurei

3D structure databases

ProteinModelPortaliP0ABQ7.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini3 – 169167DHFR
Add
BLAST

Sequence similaritiesi

Family and domain databases

Gene3Di3.40.430.10. 1 hit.
InterProiIPR012259. DHFR.
IPR024072. DHFR-like_dom.
IPR017925. DHFR_CS.
IPR001796. DHFR_dom.
[Graphical view]
PfamiPF00186. DHFR_1. 1 hit.
[Graphical view]
PRINTSiPR00070. DHFR.
SUPFAMiSSF53597. SSF53597. 1 hit.
PROSITEiPS00075. DHFR_1. 1 hit.
PS51330. DHFR_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P0ABQ7-1 [UniParc]FASTAAdd to Basket

« Hide

MIELHAILAA TANGCIGKDN ALPWPPLKGD LARFKKLTMG KVVIMGRKTY    50
ESLPVKLEGR TCIVMTRQAL ELPGVRDANG AIFVNNVSDA MRFAQEESVG 100
DVAYVIGGAE IFKRLALMIT QIELTFVKRL YEGDTYVDLA EMVKDYEQNG 150
MEEHDLHTYF TYRKKELTE 169
Length:169
Mass (Da):19,021
Last modified:November 8, 2005 - v1
Checksum:i76E1ABA0C0DE30CC
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
U10186 Genomic DNA. Translation: AAA68493.1.
PIRiI60308.
RefSeqiYP_001569075.1. NC_010064.1.

Genome annotation databases

GeneIDi5759757.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
U10186 Genomic DNA. Translation: AAA68493.1 .
PIRi I60308.
RefSeqi YP_001569075.1. NC_010064.1.

3D structure databases

ProteinModelPortali P0ABQ7.
ModBasei Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 5759757.

Enzyme and pathway databases

UniPathwayi UPA00077 ; UER00158 .

Family and domain databases

Gene3Di 3.40.430.10. 1 hit.
InterProi IPR012259. DHFR.
IPR024072. DHFR-like_dom.
IPR017925. DHFR_CS.
IPR001796. DHFR_dom.
[Graphical view ]
Pfami PF00186. DHFR_1. 1 hit.
[Graphical view ]
PRINTSi PR00070. DHFR.
SUPFAMi SSF53597. SSF53597. 1 hit.
PROSITEi PS00075. DHFR_1. 1 hit.
PS51330. DHFR_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "A new dhfrVIII trimethoprim-resistance gene, flanked by IS26, whose product is remote from other dihydrofolate reductases in parsimony analysis."
    Sundstroem L., Jansson C., Bremer K., Heikkila E., Olsson-Liljequist B., Skoeld O.
    Gene 154:7-14(1995) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

Entry informationi

Entry nameiDYR8_ECOLX
AccessioniPrimary (citable) accession number: P0ABQ7
Secondary accession number(s): Q57452
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 8, 2005
Last sequence update: November 8, 2005
Last modified: October 16, 2013
This is version 45 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Miscellaneous

Confers high-level trimethoprim resistance.

Keywords - Technical termi

Plasmid

Documents

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

External Data

Dasty 3

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