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GeneBe

16-31484847-T-A

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_003041.4(SLC5A2):​c.227T>A​(p.Ile76Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,608 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 (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. I76V) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

SLC5A2
NM_003041.4 missense

Scores

11
4
2

Clinical Significance

Uncertain significance no assertion criteria provided U:1

Conservation

PhyloP100: 2.25
Variant links:
Genes affected
SLC5A2 (HGNC:11037): (solute carrier family 5 member 2) This gene encodes a member of the sodium glucose cotransporter family which are sodium-dependent glucose transport proteins. The encoded protein is the major cotransporter involved in glucose reabsorption in the kidney. Mutations in this gene are associated with renal glucosuria. Two transcript variants, one protein-coding and one not, have been found for this gene. [provided by RefSeq, Feb 2015]

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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, 0.94

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC5A2NM_003041.4 linkuse as main transcriptc.227T>A p.Ile76Asn missense_variant 3/14 ENST00000330498.4
SLC5A2XM_006721072.5 linkuse as main transcriptc.227T>A p.Ile76Asn missense_variant 3/13
SLC5A2XM_024450402.2 linkuse as main transcriptc.227T>A p.Ile76Asn missense_variant 3/11
SLC5A2NR_130783.2 linkuse as main transcriptn.241T>A non_coding_transcript_exon_variant 3/12

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC5A2ENST00000330498.4 linkuse as main transcriptc.227T>A p.Ile76Asn missense_variant 3/141 NM_003041.4 P1P31639-1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000797
AC:
2
AN:
250994
Hom.:
0
AF XY:
0.00000737
AC XY:
1
AN XY:
135750
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000881
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000205
AC:
3
AN:
1461608
Hom.:
0
Cov.:
32
AF XY:
0.00000138
AC XY:
1
AN XY:
727116
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Bravo
AF:
0.00000378
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Familial renal glucosuria Uncertain:1
Uncertain significance, no assertion criteria providedclinical testingBioscientia Institut fuer Medizinische Diagnostik GmbH, Sonic HealthcareAug 15, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.99
BayesDel_addAF
Pathogenic
0.24
D
BayesDel_noAF
Pathogenic
0.21
CADD
Pathogenic
28
DANN
Uncertain
0.99
DEOGEN2
Benign
0.12
T;D
Eigen
Pathogenic
0.86
Eigen_PC
Pathogenic
0.77
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Uncertain
0.96
D;D
M_CAP
Pathogenic
0.74
D
MetaRNN
Pathogenic
0.94
D;D
MetaSVM
Pathogenic
1.0
D
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.75
T
PROVEAN
Pathogenic
-6.7
D;D
Sift
Pathogenic
0.0
D;D
Sift4G
Pathogenic
0.0010
D;D
Polyphen
1.0
.;D
Vest4
0.92
MutPred
0.81
.;Gain of disorder (P = 0.0039);
MVP
0.98
MPC
1.1
ClinPred
1.0
D
GERP RS
5.1
Varity_R
0.96
gMVP
0.97

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs762905275; hg19: chr16-31496168; API