DPYD
Dihydropyrimidine dehydrogenase [NADP(+)]
Also known as: DHPDHase, DPD, DPYD_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q12882
- Gene
- DPYD
- Ensembl
- ENSG00000188641
- Chromosome
- 1
- Canonical length
- 1025 aa
- Protein class
- Disease related genes, Enzymes, FDA approved drug targets, Human disease related genes, Metabolic proteins, Predicted intracellular proteins
- Quaternary structure
- Homodimer
OverviewNCBI Gene
The protein encoded by this gene is a pyrimidine catabolic enzyme and the initial and rate-limiting factor in the pathway of uracil and thymidine catabolism. Mutations in this gene result in dihydropyrimidine dehydrogenase deficiency, an error in pyrimidine metabolism associated with thymine-uraciluria and an increased risk of toxicity in cancer patients receiving 5-fluorouracil chemotherapy. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2009]
Canonical amino-acid sequenceUniProt
1025 residues, UniProt reviewed canonical sequence.
>Q12882|DPYD
1 MAPVLSKDSA DIESILALNP RTQTHATLCS TSAKKLDKKH WKRNPDKNCF NCEKLENNFD
61 DIKHTTLGER GALREAMRCL KCADAPCQKS CPTNLDIKSF ITSIANKNYY GAAKMIFSDN
121 PLGLTCGMVC PTSDLCVGGC NLYATEEGPI NIGGLQQFAT EVFKAMSIPQ IRNPSLPPPE
181 KMSEAYSAKI ALFGAGPASI SCASFLARLG YSDITIFEKQ EYVGGLSTSE IPQFRLPYDV
241 VNFEIELMKD LGVKIICGKS LSVNEMTLST LKEKGYKAAF IGIGLPEPNK DAIFQGLTQD
301 QGFYTSKDFL PLVAKGSKAG MCACHSPLPS IRGVVIVLGA GDTAFDCATS ALRCGARRVF
361 IVFRKGFVNI RAVPEEMELA KEEKCEFLPF LSPRKVIVKG GRIVAMQFVR TEQDETGKWN
421 EDEDQMVHLK ADVVISAFGS VLSDPKVKEA LSPIKFNRWG LPEVDPETMQ TSEAWVFAGG
481 DVVGLANTTV ESVNDGKQAS WYIHKYVQSQ YGASVSAKPE LPLFYTPIDL VDISVEMAGL
541 KFINPFGLAS ATPATSTSMI RRAFEAGWGF ALTKTFSLDK DIVTNVSPRI IRGTTSGPMY
601 GPGQSSFLNI ELISEKTAAY WCQSVTELKA DFPDNIVIAS IMCSYNKNDW TELAKKSEDS
661 GADALELNLS CPHGMGERGM GLACGQDPEL VRNICRWVRQ AVQIPFFAKL TPNVTDIVSI
721 ARAAKEGGAN GVTATNTVSG LMGLKSDGTP WPAVGIAKRT TYGGVSGTAI RPIALRAVTS
781 IARALPGFPI LATGGIDSAE SGLQFLHSGA SVLQVCSAIQ NQDFTVIEDY CTGLKALLYL
841 KSIEELQDWD GQSPATVSHQ KGKPVPRIAE LMDKKLPSFG PYLEQRKKII AENKIRLKEQ
901 NVAFSPLKRN CFIPKRPIPT IKDVIGKALQ YLGTFGELSN VEQVVAMIDE EMCINCGKCY
961 MTCNDSGYQA IQFDPETHLP TITDTCTGCT LCLSVCPIVD CIKMVSRTTP YEPKRGVPLS
1021 VNPVCLocalizationUniProt · AlphaFold · HPA
Whether an antibody against DPYD can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.24
- Highest tissue expression
- 64 nTPM
Expression across tissuesHPA
Tissue
- liver: 64 nTPM
- lung: 28 nTPM
- gallbladder: 24 nTPM
- spleen: 23 nTPM
- appendix: 21 nTPM
- adipose tissue: 21 nTPM
Single-cell type
- neutrophils: 6,342 nCPM
- monocytes: 2,567 nCPM
- neutrophil progenitors: 2,214 nCPM
- monocyte progenitors: 1,635 nCPM
- corticotrophs: 1,559 nCPM
- oligodendrocytes: 1,526 nCPM
Immune cell
- classical monocyte: 61 nTPM
- neutrophil: 60 nTPM
- myeloid DC: 33 nTPM
- intermediate monocyte: 30 nTPM
- non-classical monocyte: 27 nTPM
- total PBMC: 22 nTPM
Brain region
- white matter: 63 nTPM
- thalamus: 44 nTPM
- medulla oblongata: 42 nTPM
- hypothalamus: 41 nTPM
- basal ganglia: 40 nTPM
- pons: 39 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about DPYD.
Disease | AllUniProt
Conditions DPYD is implicated in, by any mechanism.
- Dihydropyrimidine dehydrogenase deficiency (DPYDD) MIM:274270
Disease | GeneticClinVar
146 pathogenic / likely-pathogenic of 621 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Dihydropyrimidine dehydrogenase deficiency
- DPYD-related disorder
- Inborn genetic diseases
- Fluorouracil response
- Neurodevelopmental delay
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 1
- gnomAD pLI
- 0
- gnomAD missense Z
- -0.22
- DepMap mean gene effect
- -0.07
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- CMP catabolic process
- dCMP catabolic process
- dUMP catabolic process
- pyrimidine nucleobase catabolic process
- thymine catabolic process
- UMP catabolic process
- uracil catabolic process
- xenobiotic catabolic process
- beta-alanine biosynthetic process
- purine nucleobase catabolic process
- thymidine catabolic process
- TMP catabolic process
Molecular functions
- 4 iron, 4 sulfur cluster binding
- flavin adenine dinucleotide binding
- metal ion binding
- NADP binding
- protein homodimerization activity
- dihydropyrimidine dehydrogenase (NADP+) activity
- uracil binding
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Dihydroorotate dehydrogenase, catalytic
- Alpha-helical ferredoxin
- Aldolase-type TIM barrel
- 4Fe-4S ferredoxin-type, iron-sulphur binding domain
- 4Fe-4S ferredoxin, iron-sulphur binding, conserved site
- FAD/NAD(P)-binding domain
- FAD/NAD(P)-binding domain superfamily
- Dihydroorotate dehydrogenase
- Pyridine nucleotide-disulphide oxidoreductase
- Dihydroprymidine dehydrogenase domain II
- Dihydroprymidine dehydrogenase domain II, 4Fe-4S cluster
- 4Fe-4S dicluster domain
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of DPYD in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads DPYD as an antibody target. Whether an autoantibody or antibody against DPYD could matter depends on whether native DPYD is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
DPYD is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label DPYD as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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