rs372875358

Variant names:

• chr7-107674320-C-G
• rs372875358
• NM_000441.2:c.572C>G

Your query was ambiguous. Multiple possible variants found:

• chr7-107674320-C-G
• chr7-107674320-C-T

Variant summary

Our verdict is Likely pathogenic. The variant received 7 ACMG points: 7P and 0B. PM1 PM2 PM5 PP2

The NM_000441.2(SLC26A4):​c.572C>G​(p.Ala191Gly) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. 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. A191V) has been classified as Likely pathogenic.

• Frequency: Genomes: not found (cov: 32)
• Consequence: SLC26A4 NM_000441.2 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 5.67
• Publications: 0 publications found

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]

SLC26A4 Gene-Disease associations (from GenCC):

• autosomal recessive nonsyndromic hearing loss 4

  Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, PanelApp Australia, Labcorp Genetics (formerly Invitae)
• Pendred syndrome

  Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae), ClinGen
• athyreosis

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• thyroid hypoplasia

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• hearing loss, autosomal recessive

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Likely_pathogenic. The variant received 7 ACMG points.

• PM1: In a hotspot region, there are 6 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 2 benign, 4 uncertain in NM_000441.2
• PM2: Very rare variant in population databases, with high coverage
• PM5: Other missense variant is known to change same aminoacid residue: Variant chr7-107674320-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 43561.
• PP2: Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 167 curated pathogenic missense variants (we use a threshold of 10). The gene has 19 curated benign missense variants. Trascript score misZ: -1.7621 (below the threshold of 3.09). GenCC associations: The gene is linked to autosomal recessive nonsyndromic hearing loss 4, Pendred syndrome, athyreosis, thyroid hypoplasia, hearing loss, autosomal recessive.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SLC26A4	NM_000441.2	c.572C>G	p.Ala191Gly	missense_variant	Exon 5 of 21	ENST00000644269.2	NP_000432.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SLC26A4	ENST00000644269.2	c.572C>G	p.Ala191Gly	missense_variant	Exon 5 of 21		NM_000441.2	ENSP00000494017.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.12
BayesDel_addAF	Uncertain	0.12	D
BayesDel_noAF	Uncertain	-0.070
CADD	Benign	21
DANN	Uncertain	0.99
DEOGEN2	Uncertain	0.65	D;D
Eigen	Benign	-0.091
Eigen_PC	Benign	-0.012
FATHMM_MKL	Pathogenic	0.98	D
LIST_S2	Benign	0.78	.;T
M_CAP	Uncertain	0.098	D
MetaRNN	Uncertain	0.59	D;D
MetaSVM	Uncertain	0.45	D
MutationAssessor	Benign	1.9	L;L
PhyloP100		5.7
PrimateAI	Benign	0.27	T
PROVEAN	Benign	-1.9	N;.
REVEL	Uncertain	0.48
Sift	Uncertain	0.0040	D;.
Sift4G	Uncertain	0.011	D;.
Polyphen		0.032	B;B
Vest4		0.42
MutPred		0.54		Loss of stability (P = 0.0837);Loss of stability (P = 0.0837);
MVP		0.96
MPC		0.011
ClinPred		0.64	D
GERP RS		5.1
Varity_R		0.39
gMVP		0.71
Mutation Taster		=86/14	polymorphism

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

Other links and lift over

dbSNP: rs372875358; hg19: chr7-107314765;