chrX-48904831-C-T

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS2

The NM_005660.3(SLC35A2):​c.1078G>A​(p.Val360Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00016 in 1,209,892 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 87 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 12/15 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00045 ( 0 hom., 16 hem., cov: 24)
Exomes 𝑓: 0.00013 ( 0 hom. 71 hem. )

Consequence

SLC35A2
NM_005660.3 missense

Scores

14

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -0.175
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 -16 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.00741449).
BP6
Variant X-48904831-C-T is Benign according to our data. Variant chrX-48904831-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 509462.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS2
High Hemizygotes in GnomAd4 at 16 XL gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SLC35A2NM_005660.3 linkuse as main transcriptc.1078G>A p.Val360Ile missense_variant 4/5 ENST00000247138.11 NP_005651.1 P78381-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SLC35A2ENST00000247138.11 linkuse as main transcriptc.1078G>A p.Val360Ile missense_variant 4/51 NM_005660.3 ENSP00000247138.5 P78381-1

Frequencies

GnomAD3 genomes
AF:
0.000455
AC:
51
AN:
112162
Hom.:
0
Cov.:
24
AF XY:
0.000466
AC XY:
16
AN XY:
34334
show subpopulations
Gnomad AFR
AF:
0.00146
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00110
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000565
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000259
AC:
47
AN:
181333
Hom.:
0
AF XY:
0.000302
AC XY:
20
AN XY:
66117
show subpopulations
Gnomad AFR exome
AF:
0.00139
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00143
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000247
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000130
AC:
143
AN:
1097675
Hom.:
0
Cov.:
31
AF XY:
0.000196
AC XY:
71
AN XY:
363053
show subpopulations
Gnomad4 AFR exome
AF:
0.00170
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00154
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000831
Gnomad4 OTH exome
AF:
0.000174
GnomAD4 genome
AF:
0.000454
AC:
51
AN:
112217
Hom.:
0
Cov.:
24
AF XY:
0.000465
AC XY:
16
AN XY:
34399
show subpopulations
Gnomad4 AFR
AF:
0.00145
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00111
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000565
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000137
Hom.:
3
Bravo
AF:
0.000487
ESP6500AA
AF:
0.00287
AC:
11
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000354
AC:
43

ClinVar

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

Submissions by phenotype

not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingGeneDxMay 22, 2017This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -
SLC35A2-congenital disorder of glycosylation Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpDec 13, 2023- -
not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenSep 01, 2022SLC35A2: BP4, BS2 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.073
BayesDel_addAF
Benign
-0.69
T
BayesDel_noAF
Benign
-1.0
CADD
Benign
5.3
DANN
Benign
0.86
FATHMM_MKL
Benign
0.019
N
LIST_S2
Benign
0.45
T;T;T
M_CAP
Benign
0.0036
T
MetaRNN
Benign
0.0074
T;T;T
MetaSVM
Benign
-1.0
T
PROVEAN
Benign
-0.81
N;N;N
REVEL
Benign
0.042
Sift
Benign
0.46
T;T;T
Sift4G
Benign
0.19
T;T;T
Polyphen
0.0
.;B;.
Vest4
0.13
MVP
0.043
ClinPred
0.0059
T
GERP RS
1.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

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: rs138190020; hg19: chrX-48762108; API