chrX-48903516-C-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The ENST00000376521.6(SLC35A2):​c.*1211G>A variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.418 in 563,315 control chromosomes in the GnomAD database, including 32,580 homozygotes. There are 82,019 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.40 ( 6467 hom., 13117 hem., cov: 23)
Exomes 𝑓: 0.42 ( 26113 hom. 68902 hem. )

Consequence

SLC35A2
ENST00000376521.6 3_prime_UTR

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 0.433
Variant links:
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 Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.84).
BP6
Variant X-48903516-C-T is Benign according to our data. Variant chrX-48903516-C-T is described in ClinVar as [Benign]. Clinvar id is 1245601.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.577 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC35A2NM_005660.3 linkuse as main transcriptc.1164-51G>A intron_variant ENST00000247138.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC35A2ENST00000247138.11 linkuse as main transcriptc.1164-51G>A intron_variant 1 NM_005660.3 P1P78381-1

Frequencies

GnomAD3 genomes
AF:
0.405
AC:
44632
AN:
110316
Hom.:
6466
Cov.:
23
AF XY:
0.402
AC XY:
13099
AN XY:
32598
show subpopulations
Gnomad AFR
AF:
0.375
Gnomad AMI
AF:
0.724
Gnomad AMR
AF:
0.388
Gnomad ASJ
AF:
0.367
Gnomad EAS
AF:
0.599
Gnomad SAS
AF:
0.407
Gnomad FIN
AF:
0.406
Gnomad MID
AF:
0.401
Gnomad NFE
AF:
0.410
Gnomad OTH
AF:
0.401
GnomAD3 exomes
AF:
0.416
AC:
66787
AN:
160412
Hom.:
9743
AF XY:
0.418
AC XY:
20712
AN XY:
49538
show subpopulations
Gnomad AFR exome
AF:
0.377
Gnomad AMR exome
AF:
0.352
Gnomad ASJ exome
AF:
0.374
Gnomad EAS exome
AF:
0.619
Gnomad SAS exome
AF:
0.390
Gnomad FIN exome
AF:
0.425
Gnomad NFE exome
AF:
0.418
Gnomad OTH exome
AF:
0.419
GnomAD4 exome
AF:
0.421
AC:
190711
AN:
452946
Hom.:
26113
Cov.:
5
AF XY:
0.424
AC XY:
68902
AN XY:
162638
show subpopulations
Gnomad4 AFR exome
AF:
0.371
Gnomad4 AMR exome
AF:
0.356
Gnomad4 ASJ exome
AF:
0.377
Gnomad4 EAS exome
AF:
0.622
Gnomad4 SAS exome
AF:
0.397
Gnomad4 FIN exome
AF:
0.425
Gnomad4 NFE exome
AF:
0.417
Gnomad4 OTH exome
AF:
0.421
GnomAD4 genome
AF:
0.404
AC:
44642
AN:
110369
Hom.:
6467
Cov.:
23
AF XY:
0.402
AC XY:
13117
AN XY:
32661
show subpopulations
Gnomad4 AFR
AF:
0.375
Gnomad4 AMR
AF:
0.389
Gnomad4 ASJ
AF:
0.367
Gnomad4 EAS
AF:
0.599
Gnomad4 SAS
AF:
0.406
Gnomad4 FIN
AF:
0.406
Gnomad4 NFE
AF:
0.410
Gnomad4 OTH
AF:
0.397
Alfa
AF:
0.410
Hom.:
26383
Bravo
AF:
0.406

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingGeneDxJun 23, 2018- -
not specified Benign:1
Benign, criteria provided, single submitterclinical testingUnidad de Genómica Garrahan, Hospital de Pediatría GarrahanJul 15, 2024This variant is classified as Benign based on local population frequency. This variant was detected in 22% of patients studied in a panel designed for Epileptic and Developmental Encephalopathy and Progressive Myoclonus Epilepsy. Number of patients: 20. Only high quality variants are reported. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.84
CADD
Benign
11
DANN
Benign
0.64

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs2239453; hg19: chrX-48760793; COSMIC: COSV54430205; COSMIC: COSV54430205; API