chr17-7284334-C-T
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Variant summary
Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong
The NM_001042.3(SLC2A4):c.682C>T(p.Arg228Cys) variant causes a missense change. The variant allele was found at a frequency of 0.0000304 in 1,614,050 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000031 ( 0 hom. )
Consequence
SLC2A4
NM_001042.3 missense
NM_001042.3 missense
Scores
17
1
Clinical Significance
Conservation
PhyloP100: 5.03
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]
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ACMG classification
Classification made for transcript
Verdict is Likely_pathogenic. Variant got 6 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.97
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
SLC2A4 | NM_001042.3 | c.682C>T | p.Arg228Cys | missense_variant | 6/11 | ENST00000317370.13 | NP_001033.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
SLC2A4 | ENST00000317370.13 | c.682C>T | p.Arg228Cys | missense_variant | 6/11 | 1 | NM_001042.3 | ENSP00000320935 | P1 |
Frequencies
GnomAD3 genomes AF: 0.0000197 AC: 3AN: 152232Hom.: 0 Cov.: 33
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GnomAD3 exomes AF: 0.0000200 AC: 5AN: 250460Hom.: 0 AF XY: 0.0000148 AC XY: 2AN XY: 135450
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GnomAD4 exome AF: 0.0000315 AC: 46AN: 1461818Hom.: 0 Cov.: 34 AF XY: 0.0000289 AC XY: 21AN XY: 727212
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GnomAD4 genome AF: 0.0000197 AC: 3AN: 152232Hom.: 0 Cov.: 33 AF XY: 0.0000403 AC XY: 3AN XY: 74378
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not specified Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Ambry Genetics | Feb 28, 2023 | The c.682C>T (p.R228C) alteration is located in exon 6 (coding exon 6) of the SLC2A4 gene. This alteration results from a C to T substitution at nucleotide position 682, causing the arginine (R) at amino acid position 228 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
CADD
Pathogenic
DANN
Pathogenic
DEOGEN2
Pathogenic
D;D;.
Eigen
Pathogenic
Eigen_PC
Pathogenic
FATHMM_MKL
Pathogenic
D
LIST_S2
Pathogenic
D;D;D
M_CAP
Pathogenic
D
MetaRNN
Pathogenic
D;D;D
MetaSVM
Pathogenic
D
MutationTaster
Benign
D;D;D
PrimateAI
Pathogenic
D
PROVEAN
Pathogenic
D;.;D
REVEL
Pathogenic
Sift
Pathogenic
D;.;D
Sift4G
Pathogenic
D;D;D
Polyphen
D;.;D
Vest4
MutPred
Gain of catalytic residue at P227 (P = 0.0129);Gain of catalytic residue at P227 (P = 0.0129);.;
MVP
MPC
ClinPred
D
GERP RS
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gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at