Gene Gene information from NCBI Gene database.
Entrez ID 79947
Gene name Dehydrodolichyl diphosphate synthase subunit
Gene symbol DHDDS
Synonyms (NCBI Gene)
CITCPTDEDSMDSHDSRP59hCIT
Chromosome 1
Chromosome location 1p36.11
Summary The protein encoded by this gene catalyzes cis-prenyl chain elongation to produce the polyprenyl backbone of dolichol, a glycosyl carrier lipid required for the biosynthesis of several classes of glycoproteins. Mutations in this gene are associated with r
SNPs SNP information provided by dbSNP.
9
SNP ID Visualize variation Clinical significance Consequence
rs147394623 A>G Pathogenic Missense variant, 5 prime UTR variant, coding sequence variant
rs754564043 C>G,T Likely-pathogenic Coding sequence variant, missense variant
rs764831063 A>G Pathogenic Intron variant
rs1229969030 G>A Likely-pathogenic Coding sequence variant, missense variant
rs1553121073 G>A Uncertain-significance, pathogenic Missense variant, coding sequence variant, 5 prime UTR variant
miRNA miRNA information provided by mirtarbase database.
306
miRTarBase ID miRNA Experiments Reference
MIRT704247 hsa-miR-5008-5p HITS-CLIP 23313552
MIRT704246 hsa-miR-6089 HITS-CLIP 23313552
MIRT704245 hsa-miR-6804-5p HITS-CLIP 23313552
MIRT704244 hsa-miR-7106-5p HITS-CLIP 23313552
MIRT704243 hsa-miR-149-3p HITS-CLIP 23313552
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
24
GO ID Ontology Definition Evidence Reference
GO:0004659 Function Prenyltransferase activity IDA 25066056
GO:0005515 Function Protein binding IPI 15110773, 32817466, 33961781
GO:0005783 Component Endoplasmic reticulum IBA
GO:0005783 Component Endoplasmic reticulum IEA
GO:0005789 Component Endoplasmic reticulum membrane IDA 14652022
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
608172 20603 ENSG00000117682
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q86SQ9
Protein name Dehydrodolichyl diphosphate synthase complex subunit DHDDS (EC 2.5.1.87) (Cis-isoprenyltransferase) (CIT) (Cis-IPTase) (Cis-prenyltransferase subunit hCIT) (Epididymis tissue protein Li 189m)
Protein function With NUS1, forms the dehydrodolichyl diphosphate synthase (DDS) complex, an essential component of the dolichol monophosphate (Dol-P) biosynthetic machinery (PubMed:25066056, PubMed:28842490, PubMed:32817466, PubMed:33077723). Both subunits cont
PDB 6W2L , 6Z1N , 7PAX , 7PAY , 7PB0 , 7PB1
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF01255 Prenyltransf 32 255 Putative undecaprenyl diphosphate synthase Family
Tissue specificity TISSUE SPECIFICITY: Ubiquitous (PubMed:21295282). Expressed at high levels in testis and kidney (PubMed:20736409). Expressed in epididymis (at protein level) (PubMed:20736409). {ECO:0000269|PubMed:20736409, ECO:0000269|PubMed:21295282}.
Sequence
Sequence length 333
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Terpenoid backbone biosynthesis   Synthesis of Dolichyl-phosphate
Defective DHDDS causes retinitis pigmentosa 59
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
Congenital disorder of glycosylation, type Ibb Pathogenic; Likely pathogenic rs1553121545, rs764831063 RCV000578125
RCV000578121
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Developmental delay and seizures with or without movement abnormalities Likely pathogenic; Pathogenic rs1248671884, rs1553121072, rs2524708025, rs2524707695, rs147394623, rs1553121073, rs1553122926, rs1557447255, rs1570332505 RCV002499773
RCV003333167
RCV003448533
RCV005030035
RCV000762902
View all (4 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
DHDDS-related disorder Likely pathogenic rs2524687222 RCV003394394
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Retinal dystrophy Likely pathogenic rs2524708485 RCV003890544
★★★★☆
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
NON-SPECIFIC EARLY-ONSET EPILEPTIC ENCEPHALOPATHY Disgenet, Orphanet
Disgenet, Orphanet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Ovarian serous cystadenocarcinoma Likely benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
RETINITIS PIGMENTOSA 1 CTD
★★☆☆☆
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
Acute leukemia Leukemia BEFREE 16437149
★☆☆☆☆
Found in Text Mining only
Acute Promyelocytic Leukemia Promyelocytic Leukemia BEFREE 23382200
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma Adenocarcinoma BEFREE 9766666, 9858913
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma of lung (disorder) Lung adenocarcinoma BEFREE 21350582
★☆☆☆☆
Found in Text Mining only
Adenoma Adenoma BEFREE 24195516
★☆☆☆☆
Found in Text Mining only
Adult Medulloblastoma Medulloblastoma BEFREE 22402322
★☆☆☆☆
Found in Text Mining only
Agenesis of corpus callosum Agenesis Of Corpus Callosum HPO_DG
★☆☆☆☆
Found in Text Mining only
Amyotrophic Lateral Sclerosis Amyotrophic Lateral Sclerosis BEFREE 28991661
★☆☆☆☆
Found in Text Mining only
Anaplastic Oligodendroglioma Anaplastic Oligodendroglioma BEFREE 18480965
★☆☆☆☆
Found in Text Mining only
Anhedonia Anhedonia BEFREE 30226290, 7792330
★☆☆☆☆
Found in Text Mining only