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Gene: DHFR (dihydrofolate reductase) Homo sapiens
Symbol: DHFR
Name: dihydrofolate reductase
Description: Dihydrofolate reductase converts dihydrofolate into tetrahydrofolate, a methyl group shuttle required for the de novo synthesis of purines, thymidylic acid, and certain amino acids. While the functional dihydrofolate reductase gene has been mapped to chromosome 5, multiple intronless processed pseudogenes or dihydrofolate reductase-like genes have been identified on separate chromosomes. Dihydrofolate reductase deficiency has been linked to megaloblastic anemia. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2014]
Type: protein-coding
RefSeq Status: REVIEWED
Also known as: DHFRP1; DYR
Mus musculus (house mouse) : Dhfr (dihydrofolate reductase)  MGI  Alliance
Rattus norvegicus (Norway rat) : Dhfr (dihydrofolate reductase)  Alliance
Chinchilla lanigera (long-tailed chinchilla) : Dhfr (dihydrofolate reductase)
Pan paniscus (bonobo/pygmy chimpanzee) : DHFR (dihydrofolate reductase)
Ictidomys tridecemlineatus (thirteen-lined ground squirrel) : Dhfr (dihydrofolate reductase)
Sus scrofa (pig) : DHFR (dihydrofolate reductase)
more info ...
Related Pseudogenes: DHFRP1   DHFRP2   DHFRP3   DHFRP5   DHFRP6  
Allele / Splice: See ClinVar data
Latest Assembly: GRCh38 - Human Genome Assembly GRCh38
Human AssemblyChrPosition (strand)SourceGenome Browsers
GRCh38580,626,226 - 80,654,981 (-)NCBIGRCh38GRCh38hg38GRCh38
GRCh37579,922,045 - 79,950,800 (-)NCBIGRCh37GRCh37hg19GRCh37
Build 36579,957,801 - 79,986,556 (-)NCBINCBI36hg18NCBI36
Build 34579,957,803 - 79,986,572NCBI
Celera575,825,049 - 75,854,857 (-)NCBI
Cytogenetic Map5q14.1NCBI
HuRef575,130,997 - 75,159,721 (-)NCBIHuRef
CHM1_1579,355,281 - 79,384,046 (-)NCBICHM1_1
JBrowse: View Region in Genome Browser (JBrowse)

Disease Annotations
Gene-Chemical Interaction Annotations
Gene Ontology Annotations
Molecular Pathway Annotations
Phenotype Annotations
References - curated
References - uncurated


Comparative Map Data
Position Markers
miRNA Target Status


Nucleotide Sequences
Protein Sequences
Clinical Variants

Additional Information

External Database Links
More on DHFR
Alliance Gene
Ensembl Gene
JBrowse: hg19 hg38
HGNC Report
NCBI Genome Data Viewer

CRRD Object Information
CRRD ID: 736871
Created: 2004-02-06
Species: Homo sapiens
Last Modified: 2019-07-09
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.