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GENATLAS PHENOTYPE
last update : 6/07/2006
Symbol GSD5B
Location Xq13.1
Name glycogen storage disease, type Vb, muscular
Other name(s)
  • phosphorylase kinase, muscle, alpha-1 subunit
  • muscle glycogenosis
  • Corresponding gene PHKA1
    Other symbol(s) PHKA1
    Main clinical features
  • severe exercise intolerance and muscle cramps
  • at muscular biopsy subsarcolemmal and intermyofibrillar accumulation of glycogen
  • Genetic determination sex linked
    Function/system disorder metabolism/carbohydrates
    neuromuscular
    Type disease
    Gene product
    Name phosphorylase kinase, alpha 1, muscle (PHKA1)
    Remark(s)