rs144262689
Variant summary
Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate
The NM_018297.4(NGLY1):c.1469C>T(p.Ser490Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000316 in 1,489,552 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Synonymous variant affecting the same amino acid position (i.e. S490S) has been classified as Likely benign.
Frequency
Consequence
NM_018297.4 missense
Scores
Clinical Significance
Conservation
Publications
- congenital disorder of deglycosylation 1Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: ClinGen, Labcorp Genetics (formerly Invitae), G2P
 - NGLY1-deficiencyInheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, PanelApp Australia
 
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ACMG classification
Our verdict: Likely_benign. The variant received -2 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes   AF:  0.0000658  AC: 10AN: 151988Hom.:  0  Cov.: 32 show subpopulations 
GnomAD2 exomes  AF:  0.0000486  AC: 10AN: 205898 AF XY:  0.0000622   show subpopulations 
GnomAD4 exome  AF:  0.0000269  AC: 36AN: 1337446Hom.:  0  Cov.: 29 AF XY:  0.0000318  AC XY: 21AN XY: 660430 show subpopulations 
Age Distribution
GnomAD4 genome   AF:  0.0000723  AC: 11AN: 152106Hom.:  0  Cov.: 32 AF XY:  0.0000673  AC XY: 5AN XY: 74342 show subpopulations 
Age Distribution
ClinVar
Submissions by phenotype
Congenital disorder of deglycosylation    Uncertain:2 
This sequence change replaces serine, which is neutral and polar, with phenylalanine, which is neutral and non-polar, at codon 490 of the NGLY1 protein (p.Ser490Phe). This variant is present in population databases (rs144262689, gnomAD 0.04%). This variant has not been reported in the literature in individuals affected with NGLY1-related conditions. ClinVar contains an entry for this variant (Variation ID: 474211). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -
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Congenital disorder of deglycosylation 1    Uncertain:1 
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Computational scores
Source: 
Splicing
 Find out detailed SpliceAI scores and Pangolin per-transcript scores at