Gene Gene information from NCBI Gene database.
Entrez ID 5860
Gene name Quinoid dihydropteridine reductase
Gene symbol QDPR
Synonyms (NCBI Gene)
DHPRHDHPRPKU2SDR33C1
Chromosome 4
Chromosome location 4p15.32
Summary This gene encodes the enzyme dihydropteridine reductase, which catalyzes the NADH-mediated reduction of quinonoid dihydrobiopterin. This enzyme is an essential component of the pterin-dependent aromatic amino acid hydroxylating systems. Mutations in this
SNPs SNP information provided by dbSNP.
15
SNP ID Visualize variation Clinical significance Consequence
rs104893863 C>T Pathogenic Missense variant, non coding transcript variant, coding sequence variant
rs104893864 A>C Pathogenic Missense variant, non coding transcript variant, coding sequence variant
rs104893865 A>G Pathogenic Intron variant, missense variant, non coding transcript variant, coding sequence variant
rs104893866 T>C Pathogenic Intron variant, missense variant, coding sequence variant
rs104893867 C>T Pathogenic Stop gained, non coding transcript variant, coding sequence variant
miRNA miRNA information provided by mirtarbase database.
291
miRTarBase ID miRNA Experiments Reference
MIRT025362 hsa-miR-34a-5p Proteomics 21566225
MIRT025362 hsa-miR-34a-5p Proteomics 21566225
MIRT029076 hsa-miR-26b-5p Microarray 19088304
MIRT700428 hsa-miR-4717-3p HITS-CLIP 23313552
MIRT700427 hsa-miR-4768-3p HITS-CLIP 23313552
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
19
GO ID Ontology Definition Evidence Reference
GO:0004155 Function 6,7-dihydropteridine reductase activity IBA
GO:0004155 Function 6,7-dihydropteridine reductase activity IDA 3033643
GO:0004155 Function 6,7-dihydropteridine reductase activity IEA
GO:0004155 Function 6,7-dihydropteridine reductase activity TAS 3033643
GO:0005737 Component Cytoplasm IBA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
612676 9752 ENSG00000151552
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P09417
Protein name Dihydropteridine reductase (EC 1.5.1.34) (HDHPR) (Quinoid dihydropteridine reductase) (Short chain dehydrogenase/reductase family 33C member 1)
Protein function Catalyzes the conversion of quinonoid dihydrobiopterin into tetrahydrobiopterin.
PDB 1HDR
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00106 adh_short 11 198 short chain dehydrogenase Domain
Sequence
Sequence length 244
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Folate biosynthesis
Metabolic pathways
  Phenylalanine metabolism
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
13
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
6-Pyruvoyl-tetrahydrobiopterin synthase deficiency Pathogenic rs1577191558 RCV001813807
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Colorectal cancer Pathogenic rs761619802 RCV005922668
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Dihydropteridine reductase deficiency Likely pathogenic; Pathogenic rs995264302, rs769460415, rs1428018512, rs776171302, rs761619802, rs2108997263, rs1184906056, rs1028029163, rs778806991, rs2108999089, rs1362475419, rs2108993008, rs104893863, rs104893864, rs104893865
View all (31 more)
RCV001332364
RCV001378367
RCV001378092
RCV001783658
RCV001885312
View all (44 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Hyperphenylalaninemia due to tetrahydrobiopterin deficiency Likely pathogenic; Pathogenic rs104893863 RCV003153240
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
ALZHEIMER DISEASE GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Cholangiocarcinoma Benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
DEMENTIA GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Familial cancer of breast Benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Basal Ganglia Diseases Basal Ganglia Diseases BEFREE 18425437
★☆☆☆☆
Found in Text Mining only
Choreoathetosis Choreoathetosis HPO_DG
★☆☆☆☆
Found in Text Mining only
Classical phenylketonuria Phenylketonuria BEFREE 1160969, 18425437, 20823030, 21890392, 9427141
★☆☆☆☆
Found in Text Mining only
Classical phenylketonuria Phenylketonuria CTD_human_DG 25526675
★☆☆☆☆
Found in Text Mining only
Deglutition Disorders Dysphagia HPO_DG
★☆☆☆☆
Found in Text Mining only
Dihydropteridine reductase deficiency Dihydropteridine Reductase Deficiency Orphanet
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Fatty Liver Fatty liver Pubtator 38034016 Associate
★☆☆☆☆
Found in Text Mining only
Folic Acid Deficiency Folic Acid Deficiency BEFREE 30500537
★☆☆☆☆
Found in Text Mining only
Global developmental delay Developmental Delay HPO_DG
★☆☆☆☆
Found in Text Mining only
Hyperphenylalaninaemia Hyperphenylalaninemia BEFREE 11694255, 14705166, 16198137, 23942198, 25124972, 496890, 7444937, 9219069, 9341885
★☆☆☆☆
Found in Text Mining only