developmental and epileptic encephalopathy 80

Summary
Synonym
  • DEE80
  • GPIBD20
  • early infantile epileptic encephalopathy 80
  • glycosylphosphatidylinositol biosynthesis defect 20
Definition
A developmental and epileptic encephalopathy characterized by onset in the first year of life of refractory seizures, severe global developmental delay, and defective synthesis of glycosylphosphatidylinositol that has_material_basis_in homozygous or compound heterozygous mutation in the PIGB gene on chromosome 15q21.3.
Super Class
autosomal recessive disease developmental and epileptic encephalopathy
Disease Ontology
DOID:0112216
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
9488 PIGB phosphatidylinositol glycan anchor biosynthesis class B
Related Glycoprotein
Displaying 1 entry
UniProt ID Protein Name Source
Q92521 GPI mannosyltransferase 3
The Human Phenotype Ontology
Displaying entries 21 - 30 of 46 in total
HPO ID HPO Term
HP:0000582 Upslanted palpebral fissure
HP:0001182 Tapered finger
HP:0001199 Triphalangeal thumb
HP:0001250 Seizure
HP:0001263 Global developmental delay
HP:0001265 Hyporeflexia
HP:0001284 Areflexia
HP:0001290 Generalized hypotonia
HP:0001508 Failure to thrive
HP:0001510 Growth delay
Displaying 1 entry
Gene ID Gene Symbol Description
9488 PIGB phosphatidylinositol glycan anchor biosynthesis class B

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 7, 2025