Table 3.

Notable Recurrent PYGM Pathogenic Variants

Reference SequencesDNA Nucleotide ChangePredicted
Protein Change
Recurrent Variants
NM_005609​.2
NP_005600​.1
c.148C>Tp.Arg50TerSee footnote 1.
c.255C>Ap.Tyr85TerIndividuals of Central European descent
c.613G>Ap.Gly205Ser10% of alleles in US & 9% in Spain; never in Japanese 1, 2
c.2128_2130delTTCp.Phe710delThe most common PYGM variant in Japan 1
c.2392T>Cp.Trp798ArgFound in 10% of Spanish individuals w/GSDV 2

Variants listed in the table have been provided by the authors. GeneReviews staff have not independently verified the classification of variants.

GeneReviews follows the standard naming conventions of the Human Genome Variation Society (varnomen​.hgvs.org). See Quick Reference for an explanation of nomenclature.

See the review by Nogales-Gadea et al [2015] for additional details.

1.

The variant p.Arg50Ter (previously p.Arg49Ter) is the most common pathogenic variant in individuals of European and US descent. Frequency (among all variants) of p.Arg50Ter observed by population: 81% (English), 63% (North American), 56% (German), 56% (French), 55% (Spanish); p.Arg50Ter has never been found in individuals of Japanese descent [Nogales-Gadea et al 2015 and references therein].

2.

From: Glycogen Storage Disease Type V

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