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rs386833483

Variant summary

Our verdict is Likely pathogenic. Variant got 7 ACMG points: 7P and 0B. PM1PM2PP3_ModeratePP5

The NM_000111.3(SLC26A3):c.408G>A(p.Met136Ile) variant causes a missense change. The variant allele was found at a frequency of 0.00000186 in 1,614,100 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 Likely pathogenic (no stars).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

SLC26A3
NM_000111.3 missense

Scores

8
9
2

Clinical Significance

Likely pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 7.06
Variant links:
Genes affected
SLC26A3 (HGNC:3018): (solute carrier family 26 member 3) The protein encoded by this gene is a transmembrane glycoprotein that transports chloride ions across the cell membrane in exchange for bicarbonate ions. It is localized to the mucosa of the lower intestinal tract, particularly to the apical membrane of columnar epithelium and some goblet cells. The protein is essential for intestinal chloride absorption, and mutations in this gene have been associated with congenital chloride diarrhea. [provided by RefSeq, Oct 2008]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 7 ACMG points.

PM1
In a hotspot region, there are 2 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 4 uncertain in NM_000111.3
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.936
PP5
Variant 7-107791210-C-T is Pathogenic according to our data. Variant chr7-107791210-C-T is described in ClinVar as [Likely_pathogenic]. Clinvar id is 56002.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr7-107791210-C-T is described in Lovd as [Likely_pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC26A3NM_000111.3 linkuse as main transcriptc.408G>A p.Met136Ile missense_variant 5/21 ENST00000340010.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC26A3ENST00000340010.10 linkuse as main transcriptc.408G>A p.Met136Ile missense_variant 5/211 NM_000111.3 P1
SLC26A3ENST00000379083.7 linkuse as main transcriptc.*199G>A 3_prime_UTR_variant, NMD_transcript_variant 5/202

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152218
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461882
Hom.:
0
Cov.:
32
AF XY:
0.00000275
AC XY:
2
AN XY:
727242
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152218
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74348
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378

ClinVar

Significance: Likely pathogenic
Submissions summary: Pathogenic:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Congenital secretory diarrhea, chloride type Pathogenic:1
Likely pathogenic, no assertion criteria providedliterature onlyJuha Muilu Group; Institute for Molecular Medicine Finland (FIMM)-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.93
BayesDel_addAF
Pathogenic
0.43
D
BayesDel_noAF
Pathogenic
0.38
Cadd
Uncertain
25
Dann
Uncertain
1.0
DEOGEN2
Uncertain
0.70
D
Eigen
Pathogenic
0.69
Eigen_PC
Uncertain
0.64
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Benign
0.81
T
M_CAP
Uncertain
0.17
D
MetaRNN
Pathogenic
0.94
D
MetaSVM
Uncertain
0.76
D
MutationAssessor
Uncertain
2.3
M
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.58
T
PROVEAN
Uncertain
-3.9
D
REVEL
Pathogenic
0.85
Sift
Pathogenic
0.0
D
Sift4G
Uncertain
0.0020
D
Polyphen
1.0
D
Vest4
0.95
MutPred
0.74
Gain of helix (P = 0.2294);
MVP
0.94
MPC
0.74
ClinPred
0.99
D
GERP RS
5.7
Varity_R
0.87
gMVP
0.87

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs386833483; hg19: chr7-107431655; COSMIC: COSV60639345; COSMIC: COSV60639345; API