Gene Gene information from NCBI Gene database.
Entrez ID 729920
Gene name CDP-L-ribitol pyrophosphorylase A
Gene symbol CRPPA
Synonyms (NCBI Gene)
ISPDLGMDR20MDDGA7MDDGC7NiphISPD
Chromosome 7
Chromosome location 7p21.2
Summary This gene encodes a 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase-like protein. Mutations in this gene are the cause of Walker-Warburg syndrome. Alternate splicing results in multiple transcript variants. [provided by RefSeq, May 2012]
SNPs SNP information provided by dbSNP.
34
SNP ID Visualize variation Clinical significance Consequence
rs148054819 T>C Conflicting-interpretations-of-pathogenicity Synonymous variant, non coding transcript variant, coding sequence variant
rs186882839 A>G,T Pathogenic Non coding transcript variant, terminator codon variant, stop lost
rs201334104 A>G Conflicting-interpretations-of-pathogenicity Synonymous variant, coding sequence variant, intron variant
rs368593151 G>A Pathogenic Coding sequence variant, intron variant, stop gained
rs370627877 G>A,T Pathogenic, uncertain-significance, not-provided Missense variant, intron variant, coding sequence variant, non coding transcript variant, stop gained
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:0003824 Function Catalytic activity IEA
GO:0005737 Component Cytoplasm IEA
GO:0005829 Component Cytosol IBA
GO:0005829 Component Cytosol IDA 26687144
GO:0005829 Component Cytosol IEA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
614631 37276 ENSG00000214960
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
A4D126
Protein name D-ribitol-5-phosphate cytidylyltransferase (EC 2.7.7.40) (2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase-like protein) (Isoprenoid synthase domain-containing protein) (hISPD)
Protein function Cytidylyltransferase required for protein O-linked mannosylation (PubMed:22522420, PubMed:22522421, PubMed:26687144, PubMed:26923585, PubMed:27130732, PubMed:27601598). Catalyzes the formation of CDP-ribitol nucleotide sugar from D-ribitol 5-pho
PDB 4CVH
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF01128 IspD 47 279 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase Family
PF18706 ISPD_C 283 451 D-ribitol-5-phosphate cytidylyltransferase C-terminal domain Domain
Tissue specificity TISSUE SPECIFICITY: Ubiquitously expressed, with high expression in brain. {ECO:0000269|PubMed:22522420}.
Sequence
Sequence length 451
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG 
  Pentose and glucuronate interconversions
Mannose type O-glycan biosynthesis
Metabolic pathways
 
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
39
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
Autosomal recessive limb-girdle muscular dystrophy type 2U Pathogenic; Likely pathogenic rs370499190, rs2128321525, rs587777797, rs587777798, rs2128321527, rs1157302803, rs2546759145, rs2546759287, rs1420940583, rs1418861315, rs886041302, rs370627877, rs767978961, rs748007203, rs2546652810
View all (13 more)
RCV001390079
RCV002471170
RCV000144515
RCV000144516
RCV002238368
View all (23 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Congenital muscular dystrophy due to integrin alpha-7 deficiency Pathogenic rs1554320168 RCV000626153
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
CRPPA-related disorder Likely pathogenic rs776803163 RCV003314258
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
ISPD-related disorder Pathogenic rs370627877 RCV000844945
★★★★☆
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
Acute myeloid leukemia Uncertain significance; Benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ANDROGENETIC ALOPECIA GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ASTROCYTOMA GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
AUTOSOMAL RECESSIVE LIMB GIRDLE MUSCULAR DYSTROPHY TYPE 2U Disgenet
★★☆☆☆
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
Absence of septum pellucidum Absence Of Septum Pellucidum HPO_DG
★☆☆☆☆
Found in Text Mining only
Acquired Kyphoscoliosis Acquired Kyphoscoliosis HPO_DG
★☆☆☆☆
Found in Text Mining only
Agenesis of corpus callosum Agenesis Of Corpus Callosum HPO_DG
★☆☆☆☆
Found in Text Mining only
Agyria Agyria HPO_DG
★☆☆☆☆
Found in Text Mining only
alpha-Dystroglycanopathies alpha-Dystroglycanopathy CTD_human_DG 22522420, 22522421
★☆☆☆☆
Found in Text Mining only
Anemia Anemia BEFREE 28711793
★☆☆☆☆
Found in Text Mining only
Anophthalmos Syndromic microphthalmia HPO_DG
★☆☆☆☆
Found in Text Mining only
Aqueductal Stenosis Aqueductal Stenosis CTD_human_DG 22522421
★☆☆☆☆
Found in Text Mining only
Bradyarrhythmia (disorder) Bradyarrhythmia BEFREE 30764634
★☆☆☆☆
Found in Text Mining only
Brain Diseases Brain disease Pubtator 23288328 Associate
★☆☆☆☆
Found in Text Mining only