Table 6.

ASPA Pathogenic Variants Referenced in This GeneReview

Reference SequencesDNA Nucleotide ChangePredicted Protein ChangeComment
NM_000049​.2
NP_000040​.1
c.212G>Ap.Arg71HisPathogenic variants resulting in relatively higher residual aspartoacylase activity & assoc w/atypical Canavan disease (See Genotype-Phenotype Correlations.)
c.610G>Cp.Asp204His
c.693C>Ap.Tyr231TerFounder variant in Ashkenazi Jewish population resulting in complete loss of aspartoacylase activity & assoc w/typical Canavan disease (See Genotype-Phenotype Correlations.)
c.770C>Gp.Pro257ArgPathogenic variant resulting in relatively higher residual aspartoacylase activity & assoc w/atypical Canavan disease (See Genotype-Phenotype Correlations.)
c.854A>Cp.Glu285AlaFounder variant in Ashkenazi Jewish population resulting in complete loss of aspartoacylase activity & assoc w/typical Canavan disease (See Genotype-Phenotype Correlations.)
c.863A>Gp.Tyr288CysPathogenic variant resulting in relatively higher residual aspartoacylase activity & assoc w/atypical Canavan disease (See Genotype-Phenotype Correlations.)
c.914C>Ap.Ala305GluCommon variant in Europeans of non-Ashkenazi Jewish ancestry resulting in complete loss of aspartoacylase activity; can be assoc w/either atypical or typical Canavan disease (See Genotype-Phenotype Correlations.)

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.

From: Canavan Disease

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