17-7283744-G-T

Variant names:

• chr17-7283744-G-T
• NM_001042.3:c.330G>T

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_001042.3(SLC2A4):​c.330G>T​(p.Arg110Ser) 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. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 31)
• Consequence: SLC2A4 NM_001042.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: -0.533

Genes affected

SLC2A4 (HGNC:11009): (solute carrier family 2 member 4) This gene is a member of the solute carrier family 2 (facilitated glucose transporter) family and encodes a protein that functions as an insulin-regulated facilitative glucose transporter. In the absence of insulin, this integral membrane protein is sequestered within the cells of muscle and adipose tissue. Within minutes of insulin stimulation, the protein moves to the cell surface and begins to transport glucose across the cell membrane. Mutations in this gene have been associated with noninsulin-dependent diabetes mellitus (NIDDM). [provided by RefSeq, Jul 2008]

ENSG00000263342 (HGNC:):

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.23053911).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SLC2A4	NM_001042.3	c.330G>T	p.Arg110Ser	missense_variant	Exon 4 of 11	ENST00000317370.13	NP_001033.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SLC2A4	ENST00000317370.13	c.330G>T	p.Arg110Ser	missense_variant	Exon 4 of 11	1	NM_001042.3	ENSP00000320935.8

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 31

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Feb 08, 2025

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.330G>T (p.R110S) alteration is located in exon 4 (coding exon 4) of the SLC2A4 gene. This alteration results from a G to T substitution at nucleotide position 330, causing the arginine (R) at amino acid position 110 to be replaced by a serine (S). 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	Benign	0.26
BayesDel_addAF	Uncertain	0.12	D
BayesDel_noAF	Uncertain	-0.070
CADD	Benign	19
DANN	Uncertain	0.97
DEOGEN2	Benign	0.18	T;T;.
Eigen	Benign	-0.53
Eigen_PC	Benign	-0.42
FATHMM_MKL	Benign	0.12	N
LIST_S2	Uncertain	0.92	D;D;D
M_CAP	Benign	0.061	D
MetaRNN	Benign	0.23	T;T;T
MetaSVM	Benign	-0.63	T
PhyloP100		-0.53
PrimateAI	Benign	0.39	T
PROVEAN	Benign	-1.3	N;.;N
REVEL	Uncertain	0.36
Sift	Benign	0.11	T;.;T
Sift4G	Benign	0.16	T;T;T
Polyphen		0.026	B;.;B
Vest4		0.44
MutPred		0.61		Loss of MoRF binding (P = 0.0594);Loss of MoRF binding (P = 0.0594);.;
MVP		0.78
MPC		0.51
ClinPred		0.22	T
GERP RS		2.4
Varity_R		0.25
gMVP		0.55

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

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Other links and lift over

hg19: chr17-7187063;