rs869312860
Positions:
Variant summary
Our verdict is Likely pathogenic. Variant got 8 ACMG points: 8P and 0B. PM2PP3_StrongPP5_Moderate
The NM_005660.3(SLC35A2):c.800A>G(p.Tyr267Cys) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★). Synonymous variant affecting the same amino acid position (i.e. Y267Y) has been classified as Likely benign.
Frequency
Genomes: not found (cov: 24)
Consequence
SLC35A2
NM_005660.3 missense
NM_005660.3 missense
Scores
12
4
1
Clinical Significance
Conservation
PhyloP100: 4.07
Genes affected
SLC35A2 (HGNC:11022): (solute carrier family 35 member A2) This gene encodes a member of the nucleotide-sugar transporter family. The encoded protein is a multi-pass membrane protein. It transports UDP-galactose from the cytosol into Golgi vesicles, where it serves as a glycosyl donor for the generation of glycans. Mutations in this gene cause congenital disorder of glycosylation type IIm (CDG2M). Multiple alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, Oct 2014]
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ACMG classification
Classification made for transcript
Verdict is Likely_pathogenic. Variant got 8 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
PP3
?
MetaRNN computational evidence supports a deleterious effect, 0.971
PP5
?
Variant X-48905109-T-C is Pathogenic according to our data. Variant chrX-48905109-T-C is described in ClinVar as [Likely_pathogenic]. Clinvar id is 224808.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-48905109-T-C is described in Lovd as [Likely_pathogenic].
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
SLC35A2 | NM_005660.3 | c.800A>G | p.Tyr267Cys | missense_variant | 4/5 | ENST00000247138.11 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
SLC35A2 | ENST00000247138.11 | c.800A>G | p.Tyr267Cys | missense_variant | 4/5 | 1 | NM_005660.3 | P1 |
Frequencies
GnomAD3 genomes ? Cov.: 24
GnomAD3 genomes
?
Cov.:
24
GnomAD4 exome Cov.: 31
GnomAD4 exome
Cov.:
31
GnomAD4 genome ? Cov.: 24
GnomAD4 genome
?
Cov.:
24
ClinVar
Significance: Likely pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
SLC35A2-congenital disorder of glycosylation Pathogenic:1
Likely pathogenic, criteria provided, single submitter | research | Lupski Lab, Baylor-Hopkins CMG, Baylor College of Medicine | Sep 09, 2015 | This study shows that diverse genetic causes underlie CVI. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
CADD
Uncertain
DANN
Uncertain
DEOGEN2
Pathogenic
D;.;.;D;.
FATHMM_MKL
Uncertain
D
LIST_S2
Uncertain
D;D;D;D;D
M_CAP
Pathogenic
D
MetaRNN
Pathogenic
D;D;D;D;D
MetaSVM
Uncertain
D
MutationAssessor
Pathogenic
H;H;.;.;.
MutationTaster
Benign
D;D;D;D;D;D;D
PrimateAI
Pathogenic
D
PROVEAN
Pathogenic
D;D;.;.;D
REVEL
Pathogenic
Sift
Pathogenic
D;D;.;.;D
Sift4G
Pathogenic
D;D;D;D;D
Polyphen
D;D;.;D;.
Vest4
MutPred
Gain of helix (P = 0.062);Gain of helix (P = 0.062);.;.;.;
MVP
MPC
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at