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Symbol
Name
ID

Qdpr
quinoid dihydropteridine reductase
MGI:97836

Phenotype annotations related to homeostasis/metabolism

Darker colors indicate more annotations

Human Phenotypes	Hyperphenylalaninemia	Reduced phenylalanine hydroxylase level	Diminished tissue dihydropteridine reductase activity	Phenylpyruvic acidemia	Recurrent fever	Phenylalaninuria	Elevated urinary gamma-glutamylphenylalanine level	Elevated urinary phenylpyruvic acid level	Increased level of hippuric acid in urine	Cerebral calcification
Disease(s) Associated with QDPR	Hyperphenylalaninemia	Reduced phenylalanine hydroxylase level	Diminished tissue dihydropteridine reductase activity	Phenylpyruvic acidemia	Recurrent fever	Phenylalaninuria	Elevated urinary gamma-glutamylphenylalanine level	Elevated urinary phenylpyruvic acid level	Increased level of hippuric acid in urine	Cerebral calcification
BH4-deficient hyperphenylalaninemia C
phenylketonuria

Mouse Phenotypes		abnormal homeostasis	increased circulating homocysteine level	abnormal neopterin level
Availability	Mouse Genotype
	Qdpr^tm1Lex/Qdpr^tm1Lex

Contributing Projects: Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
Citing These Resources Funding Information Warranty Disclaimer, Privacy Notice, Licensing, & Copyright Send questions and comments to User Support.	last database update 06/09/2026 MGI 6.24