Names & Taxonomy

Uniprot ID:
Q86XF0
Entry Name:
DYRL1_HUMAN
Status:
reviewed
Protein Names:
Dihydrofolate reductase, mitochondrial (EC 1.5.1.3) (Dihydrofolate reductase-like protein 1)
Gene Names:
DHFRL1 DHFRP4
Gene Names Primary:
DHFRL1
Organism:
Homo sapiens (Human)

Structure

Length:
187
Sequence:
MFLLLNCIVAVSQNMGIGKNGDLPRPPLRNEFRYFQRMTTTSSVEGKQNLVIMGRKTWFSIPEKNRPLKDRINLVLSRELKEPPQGAHFLARSLDDALKLTERPELANKVDMIWIVGGSSVYKEAMNHLGHLKLFVTRIMQDFESDTFFSEIDLEKYKLLPEYPGVLSDVQEGKHIKYKFEVCEKDD
Proteomes:
UP000005640

Subcellular location

Subcellular Location:
Mitochondrion

Function

Function:
Key enzyme in folate metabolism. Contributes to the de novo mitochondrial thymidylate biosynthesis pathway. Required to prevent uracil accumulation in mtDNA. Binds its own mRNA and that of DHFR.
Pathway:
Cofactor biosynthesis; tetrahydrofolate biosynthesis; 5,6,7,8-tetrahydrofolate from 7,8-dihydrofolate: step 1/1.
Catalytic Activity:
5,6,7,8-tetrahydrofolate + NADP(+) = 7,8-dihydrofolate + NADPH.
Kinetics:
BIOPHYSICOCHEMICAL PROPERTIES: Kinetic parameters: KM=209 uM for dihydrofolate
Gene Ontology Go:
mitochondrial inner membrane
mitochondrial matrix
mitochondrion
dihydrofolate reductase activity
mRNA binding
NADP binding
glycine biosynthetic process
nucleotide biosynthetic process
one-carbon metabolic process
tetrahydrofolate biosynthetic process
tetrahydrofolate metabolic process
thymidine biosynthetic process
Gene Ontology Biological Process:
glycine biosynthetic process
nucleotide biosynthetic process
one-carbon metabolic process
tetrahydrofolate biosynthetic process
tetrahydrofolate metabolic process
thymidine biosynthetic process
Gene Ontology Molecular Function:
dihydrofolate reductase activity
mRNA binding
NADP binding
Gene Ontology Cellular Component:
mitochondrial inner membrane
mitochondrial matrix
mitochondrion
Keywords:
Complete proteome
Membrane
Mitochondrion
Mitochondrion inner membrane
NADP
One-carbon metabolism
Oxidoreductase
Polymorphism
Reference proteome

Publication

PubMed ID:
17974005 15489334 21876188 21876184