chr1-230067353-T-G
Variant summary
Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate
The NM_004481.5(GALNT2):c.73T>G(p.Ser25Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Consequence
NM_004481.5 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Uncertain_significance. Variant got 0 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
GALNT2 | NM_004481.5 | c.73T>G | p.Ser25Ala | missense_variant | 1/16 | ENST00000366672.5 | |
GALNT2 | NM_001291866.2 | c.12+9275T>G | intron_variant | ||||
GALNT2 | NR_120373.2 | n.116T>G | non_coding_transcript_exon_variant | 1/2 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
GALNT2 | ENST00000366672.5 | c.73T>G | p.Ser25Ala | missense_variant | 1/16 | 1 | NM_004481.5 | P1 | |
GALNT2 | ENST00000488903.1 | n.95T>G | non_coding_transcript_exon_variant | 1/2 | 2 | ||||
GALNT2 | ENST00000494106.1 | n.89+9275T>G | intron_variant, non_coding_transcript_variant | 5 |
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD4 exome Cov.: 30
GnomAD4 genome Cov.: 32
ClinVar
Submissions by phenotype
not provided Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Jun 23, 2021 | This sequence change replaces serine with alanine at codon 25 of the GALNT2 protein (p.Ser25Ala). The serine residue is moderately conserved and there is a moderate physicochemical difference between serine and alanine. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate insufficient coverage at this position in the ExAC database. 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. 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, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with GALNT2-related conditions. - |
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at
Publications
No publications associated with this variant yet.