muscular dystrophy-dystroglycanopathy type B4

Summary
Synonym
  • MDDGB4
  • congenital muscular dystrophy FKTN-related
Definition
A muscular dystrophy-dystroglycanopathy type B characterized by muscular dystropy resulting from impaired glycosylation of dystroglycan in the absence of intellectual impairment that has_material_basis_in homozygous or compound heterozygous mutation in the FKTN gene on chromosome 9q31.2.
Super Class
autosomal recessive disease muscular dystrophy-dystroglycanopathy type B
Disease Ontology
DOID:0112379
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
2218 FKTN fukutin
Related Glycoprotein
Displaying 1 entry
UniProt ID Protein Name Source
O75072 Ribitol-5-phosphate transferase FKTN
The Human Phenotype Ontology
Displaying entries 11 - 20 of 30 in total
HPO ID HPO Term
HP:0001302 Pachygyria
HP:0002359 Frequent falls
HP:0000252 Microcephaly
HP:0002282 Gray matter heterotopia
HP:0003394 Muscle spasm
HP:0001270 Motor delay
HP:0007126 Proximal amyotrophy
HP:0001319 Neonatal hypotonia
HP:0002500 Abnormal cerebral white matter morphology
HP:0012548 Fatty replacement of skeletal muscle
Displaying all 4 entries
Gene ID Gene Symbol Description
10585 POMT1 protein O-mannosyltransferase 1
2218 FKTN fukutin
729920 CRPPA CDP-L-ribitol pyrophosphorylase A
79147 FKRP fukutin related protein

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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 6, 2026