rs876658006

chr15-43615953-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PP3_Moderate

The NM_153700.2(STRC):c.1613G>T(p.Cys538Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 0)
• Consequence: STRC NM_153700.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 2.60

Genes affected

STRC (HGNC:16035): (stereocilin) This gene encodes a protein that is associated with the hair bundle of the sensory hair cells in the inner ear. The hair bundle is composed of stiff microvilli called stereocilia and is involved with mechanoreception of sound waves. This gene is part of a tandem duplication on chromosome 15; the second copy is a pseudogene. Mutations in this gene cause autosomal recessive non-syndromic deafness. [provided by RefSeq, Jul 2008]

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PP3: MetaRNN computational evidence supports a deleterious effect, 0.857

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
STRC	NM_153700.2	c.1613G>T	p.Cys538Phe	missense_variant	4/29	ENST00000450892.7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
STRC	ENST00000450892.7	c.1613G>T	p.Cys538Phe	missense_variant	4/29	5	NM_153700.2	P2

Frequencies

GnomAD3 genomes Cov.: 0

GnomAD4 exome Cov.: 0

GnomAD4 genome Cov.: 0

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Sep 17, 2015

The p.Cys538Phe variant in STRC has not been previously reported in individuals with hearing loss. Data from large population studies is insufficient to assess the frequency of this variant. Computational prediction tools and conservation a nalyses suggest that the Cys538Phe variant may impact the protein, though this i nformation is not predictive enough to determine pathogenicity. In summary, the clinical significance of the p.Cys538Phe variant is uncertain. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.97
BayesDel_addAF	Pathogenic	0.40	D
BayesDel_noAF	Pathogenic	0.33
Cadd	Uncertain	26
Dann	Uncertain	0.99
DEOGEN2	Uncertain	0.49	T;.
Eigen	Uncertain	0.32
Eigen_PC	Uncertain	0.30
FATHMM_MKL	Uncertain	0.88	D
LIST_S2	Benign	0.79	T;T
M_CAP	Uncertain	0.19	D
MetaRNN	Pathogenic	0.86	D;D
MetaSVM	Uncertain	0.48	D
MutationTaster	Benign	1.0	D;D;D
PrimateAI	Uncertain	0.72	T
PROVEAN	Uncertain	-3.5	D;D
REVEL	Pathogenic	0.86
Sift	Pathogenic	0.0	D;D
Sift4G	Uncertain	0.0030	D;D
Polyphen		1.0	D;.
Vest4		0.83
MutPred		0.68		Loss of catalytic residue at M536 (P = 3e-04);.;
MVP		0.85
ClinPred		0.98	D
GERP RS		3.5
Varity_R		0.82
gMVP		0.81

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

Other links and lift over

dbSNP: rs876658006; hg19: chr15-43908151;