congenital disorder of glycosylation Ia

Summary
Synonym
  • PMM2-congenital disorder of glycosylation
  • congenital disorder of glycosylation 1a
Definition
A congenital disorder of glycosylation I that is characterized by a severe encephalopathy with axial hypotonia, abnormal eye movement, pronounced psychomotor retardation, peripheral neuropathy, cerebellar hypoplasia, and retinitis pigmentosa and has_material_basis_in homozygous or compound heterozygous mutation in the gene encoding phosphomannomutase-2 on chromosome 16p13.
Super Class
autosomal recessive disease congenital disorder of glycosylation type I
Disease Ontology
DOID:0080552
Mondo Disease Ontology
ORDO
GARD
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
850499 SEC53 phosphomannomutase SEC53
The Human Phenotype Ontology
Displaying entries 61 - 70 of 131 in total
HPO ID HPO Term
HP:0002910 Elevated circulating hepatic transaminase concentration
HP:0002925 Elevated circulating thyroid-stimulating hormone concentration
HP:0003073 Hypoalbuminemia
HP:0003186 Inverted nipples
HP:0005562 Multiple renal cysts
HP:0007552 Abnormal subcutaneous fat tissue distribution
HP:0008734 Decreased testicular size
HP:0008936 Axial hypotonia
HP:0009125 Lipodystrophy
HP:0009830 Peripheral neuropathy
Displaying 1 entry
Gene ID Gene Symbol Description
5373 PMM2 phosphomannomutase 2

About Release Notes Help Feedback

Click here to visit the beta site.


International Collaboration

GlyCosmos is a member of the GlySpace Alliance together with GlyGen and Glycomics@ExPASy.

Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

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


Logo License Policies Site Map

Contact: support@glycosmos.org

This work is licensed under Creative Commons Attribution 4.0 International


GlyCosmos Portal v4.4.0

Last updated: December 8, 2025