Genetic Variant SLC35G2:p.Ile355Thr (chr3-136855524-T-C) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 0P and 5B. BP4BS2

The NM_025246.3(SLC35G2):c.1064T>C(p.Ile355Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000118 in 1,614,144 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00012 ( 3 hom. )

Consequence

SLC35G2
NM_025246.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.62

Variant links:

Genes affected

SLC35G2 (HGNC:28480): (solute carrier family 35 member G2) Located in Golgi apparatus and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

SLC35G2 links:

NCK1-DT (HGNC:49645): (NCK1 divergent transcript)

NCK1-DT links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.30799964).

BS2

High Homozygotes in GnomAdExome4 at 3 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SLC35G2	NM_025246.3 link	c.1064T>C	p.Ile355Thr	missense_variant	Exon 2 of 2	ENST00000446465.3	NP_079522.2	Q8TBE7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SLC35G2	ENST00000446465.3 link	c.1064T>C	p.Ile355Thr	missense_variant	Exon 2 of 2	1	NM_025246.3	ENSP00000400839.2		Q8TBE7

Frequencies

GnomAD3 genomes

AF:

0.000131

AC:

AN:

152210

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000965

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00186

Gnomad FIN

AF:

0.0000942

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000735

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.000187

AC:

AN:

251074

Hom.:

AF XY:

0.000258

AC XY:

AN XY:

135694

show subpopulations

Gnomad AFR exome

AF:

0.000123

Gnomad AMR exome

AF:

0.0000579

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00101

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000793

Gnomad OTH exome

AF:

0.000490

GnomAD4 exome

AF:

0.000116

AC:

170

AN:

1461816

Hom.:

Cov.:

AF XY:

0.000151

AC XY:

110

AN XY:

727208

show subpopulations

Gnomad4 AFR exome

AF:

0.000119

Gnomad4 AMR exome

AF:

0.0000447

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000893

Gnomad4 FIN exome

AF:

0.0000187

Gnomad4 NFE exome

AF:

0.0000558

Gnomad4 OTH exome

AF:

0.000397

GnomAD4 genome

AF:

0.000131

AC:

AN:

152328

Hom.:

Cov.:

AF XY:

0.000161

AC XY:

AN XY:

74494

show subpopulations

Gnomad4 AFR

AF:

0.0000962

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00186

Gnomad4 FIN

AF:

0.0000942

Gnomad4 NFE

AF:

0.0000735

Gnomad4 OTH

AF:

0.000473

Alfa

AF:

0.0000564

Hom.:

Bravo

AF:

0.0000907

ExAC

AF:

0.000206

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Apr 23, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.1064T>C (p.I355T) alteration is located in exon 2 (coding exon 1) of the SLC35G2 gene. This alteration results from a T to C substitution at nucleotide position 1064, causing the isoleucine (I) at amino acid position 355 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.62

BayesDel_addAF

Benign

-0.0029

BayesDel_noAF

Pathogenic

0.16

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.24

T;T

Eigen

Pathogenic

0.77

Eigen_PC

Pathogenic

0.78

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.92

.;D

M_CAP

Benign

0.057

MetaRNN

Benign

0.31

T;T

MetaSVM

Benign

-0.55

MutationAssessor

Uncertain

2.1

M;M

PrimateAI

Pathogenic

0.83

PROVEAN

Uncertain

-3.2

D;D

REVEL

Uncertain

0.53

Sift

Uncertain

0.0020

D;D

Sift4G

Uncertain

0.010

D;D

Polyphen

0.99

D;D

Vest4

0.96

MutPred

0.45

Loss of stability (P = 0.0295);Loss of stability (P = 0.0295);

MVP

0.52

MPC

0.62

ClinPred

0.15

GERP RS

5.9

Varity_R

0.47

gMVP

0.86

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over