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GeneBe

7-107710182-G-T

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 4P and 1B. PM2PM5BP4

The NM_000441.2(SLC26A4):c.2218G>T(p.Gly740Cys) variant causes a missense change. The variant allele was found at a frequency of 0.00000872 in 1,604,814 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G740V) has been classified as Likely pathogenic.

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000069 ( 0 hom. )

Consequence

SLC26A4
NM_000441.2 missense

Scores

1
9
8

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.59
Variant links:
Genes affected
SLC26A4 (HGNC:8818): (solute carrier family 26 member 4) Mutations in this gene are associated with Pendred syndrome, the most common form of syndromic deafness, an autosomal-recessive disease. It is highly homologous to the SLC26A3 gene; they have similar genomic structures and this gene is located 3' of the SLC26A3 gene. The encoded protein has homology to sulfate transporters. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr7-107710183-G-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 43545.We mark this variant Likely_pathogenic, oryginal submissions are: {Uncertain_significance=8, Likely_pathogenic=2}.
BP4
Computational evidence support a benign effect (MetaRNN=0.39799806).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC26A4NM_000441.2 linkuse as main transcriptc.2218G>T p.Gly740Cys missense_variant 19/21 ENST00000644269.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC26A4ENST00000644269.2 linkuse as main transcriptc.2218G>T p.Gly740Cys missense_variant 19/21 NM_000441.2 P1O43511-1
SLC26A4ENST00000492030.2 linkuse as main transcriptn.404G>T non_coding_transcript_exon_variant 4/65
SLC26A4ENST00000644846.1 linkuse as main transcriptc.*120G>T 3_prime_UTR_variant, NMD_transcript_variant 8/10

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152134
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000147
Gnomad OTH
AF:
0.00143
GnomAD3 exomes
AF:
0.00000796
AC:
2
AN:
251264
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135790
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000579
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000688
AC:
10
AN:
1452680
Hom.:
0
Cov.:
27
AF XY:
0.00000415
AC XY:
3
AN XY:
723272
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000895
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:
0.00000272
Gnomad4 OTH exome
AF:
0.0000499
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152134
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74328
show subpopulations
Gnomad4 AFR
AF:
0.00
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:
0.0000147
Gnomad4 OTH
AF:
0.00143
Bravo
AF:
0.0000453

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.098
BayesDel_addAF
Benign
-0.0051
T
BayesDel_noAF
Uncertain
-0.070
Cadd
Uncertain
25
Dann
Uncertain
0.99
DEOGEN2
Benign
0.18
T;T
Eigen
Uncertain
0.24
Eigen_PC
Uncertain
0.40
FATHMM_MKL
Pathogenic
0.97
D
M_CAP
Benign
0.059
D
MetaRNN
Benign
0.40
T;T
MetaSVM
Uncertain
0.067
D
MutationAssessor
Benign
0.0
N;N
MutationTaster
Benign
0.99
N;N;N;N
PrimateAI
Uncertain
0.49
T
PROVEAN
Benign
-1.6
N;.
REVEL
Uncertain
0.47
Sift
Uncertain
0.0080
D;.
Sift4G
Uncertain
0.014
D;.
Polyphen
0.62
P;P
Vest4
0.35
MutPred
0.59
Loss of loop (P = 0.0073);Loss of loop (P = 0.0073);
MVP
0.98
MPC
0.011
ClinPred
0.62
D
GERP RS
5.5
Varity_R
0.30
gMVP
0.66

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.

Other links and lift over

dbSNP: rs17154353; hg19: chr7-107350627; API