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Protein

Dihydrofolate reductase type A13

Gene

dfrA13

Organism
Escherichia coli
Status
Reviewed-Annotation score: -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).By similarity

Catalytic activityi

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

Pathwayi: tetrahydrofolate biosynthesis

This protein is involved in step 1 of the subpathway that synthesizes 5,6,7,8-tetrahydrofolate from 7,8-dihydrofolate.
Proteins known to be involved in this subpathway in this organism are:
  1. Dihydrofolate reductase type 8 (dhfrVIII), Dihydrofolate reductase type 9 (dhfrIX), Dihydrofolate reductase (BTQ06_28630), Dihydrofolate reductase, Dihydrofolate reductase (APZ14_00990), Dihydrofolate reductase (dfrB2), Dihydrofolate reductase (dfrA12), Dihydrofolate reductase type A10 (dfrA10), Dihydrofolate reductase (dfrA21), Dihydrofolate reductase (dfr2d), Dihydrofolate reductase type 2, Dihydrofolate reductase type 2, Dihydrofolate reductase (dfrB3), Dihydrofolate reductase type 1 (dhfrI), Dihydrofolate reductase type 5 (dhfrV), Dihydrofolate reductase (dfrA12), Dihydrofolate reductase (dfrA12), Dihydrofolate reductase type 15 (dhfrXV), Dihydrofolate reductase (folA), Dihydrofolate reductase (dfrII), Dihydrofolate reductase (folA), Dihydrofolate reductase (BHS87_26495), Dihydrofolate reductase (ECs0051), Dihydrofolate reductase (dfrA26), Dihydrofolate reductase (dfrA12), Dihydrofolate reductase (dfr2d), Dihydrofolate reductase (folA), Dihydrofolate reductase (folA), Dihydrofolate reductase type A13 (dfrA13), Dihydrofolate reductase (folA), Dihydrofolate reductase (folA), Dihydrofolate reductase (folA), Dihydrofolate reductase type 2, Dihydrofolate reductase (CSB64_27845), Dihydrofolate reductase (dfr2a), Dihydrofolate reductase type 7 (dhfrVII), Dihydrofolate reductase (folA), Dihydrofolate reductase (folA), Dihydrofolate reductase (dfr22), Dihydrofolate reductase (folA), Dihydrofolate reductase (folA), Dihydrofolate reductase (dfrA12), Dihydrofolate reductase (dfrA12), Dihydrofolate reductase (folA), Dihydrofolate reductase (dfrA12), Dihydrofolate reductase (dfrA12), Dihydrofolate reductase (folA), Dihydrofolate reductase (dfr22), Dihydrofolate reductase (dfrA12)
This subpathway is part of the pathway tetrahydrofolate biosynthesis, which is itself part of Cofactor biosynthesis.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes 5,6,7,8-tetrahydrofolate from 7,8-dihydrofolate, the pathway tetrahydrofolate biosynthesis and in Cofactor biosynthesis.

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionOxidoreductase
Biological processAntibiotic resistance, Methotrexate resistance, One-carbon metabolism, Trimethoprim resistance
LigandNADP

Enzyme and pathway databases

UniPathwayiUPA00077; UER00158

Names & Taxonomyi

Protein namesi
Recommended name:
Dihydrofolate reductase type A13 (EC:1.5.1.3)
Alternative name(s):
Dihydrofolate reductase type XIII
Short name:
DHFRXIII
Gene namesi
Name:dfrA13
Synonyms:dfr13
OrganismiEscherichia coli
Taxonomic identifieri562 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacteralesEnterobacteriaceaeEscherichia

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001864291 – 165Dihydrofolate reductase type A13Add BLAST165

Proteomic databases

PRIDEiQ59408

Interactioni

Subunit structurei

Homodimer.By similarity

Structurei

3D structure databases

ProteinModelPortaliQ59408
SMRiQ59408
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini7 – 162DHFRPROSITE-ProRule annotationAdd BLAST156

Sequence similaritiesi

Belongs to the dihydrofolate reductase family.Curated

Phylogenomic databases

KOiK18590

Family and domain databases

CDDicd00209 DHFR, 1 hit
Gene3Di3.40.430.10, 1 hit
InterProiView protein in InterPro
IPR012259 DHFR
IPR024072 DHFR-like_dom_sf
IPR017925 DHFR_CS
IPR001796 DHFR_dom
PANTHERiPTHR22778:SF16 PTHR22778:SF16, 1 hit
PfamiView protein in Pfam
PF00186 DHFR_1, 1 hit
PIRSFiPIRSF000194 DHFR, 1 hit
SUPFAMiSSF53597 SSF53597, 1 hit
PROSITEiView protein in PROSITE
PS00075 DHFR_1, 1 hit
PS51330 DHFR_2, 1 hit

Sequencei

Sequence statusi: Complete.

Q59408-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MNPESVRIYL VAAMGANRVI GNGPDIPWKI PGEQKIFRRL TESKVVVMGR
60 70 80 90 100
KTFESIGKPL PNRHTVVLSR QAGYSAPGCA VVSTLSHVSP STAEHGKELY
110 120 130 140 150
VARGAEVYAL ALPHANGVFL SEVHQTFEGD AFFPVLNAAE FEVVSSETIQ
160
GTITYTHSVY ARRNG
Length:165
Mass (Da):17,925
Last modified:November 1, 1996 - v1
Checksum:i656E9E214DDFDA9D
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
Z50802 Genomic DNA Translation: CAA90683.1
PIRiS60665
RefSeqiWP_063844334.1, NG_047693.1

Genome annotation databases

KEGGiag:CAA90683

Similar proteinsi

Entry informationi

Entry nameiDYR13_ECOLX
AccessioniPrimary (citable) accession number: Q59408
Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1997
Last sequence update: November 1, 1996
Last modified: March 28, 2018
This is version 78 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health