rs121908328

Variant names:

• chr17-78119382-C-A
• rs121908328
• NM_001127198.5:c.1726G>T

Your query was ambiguous. Multiple possible variants found:

• chr17-78119382-C-A
• chr17-78119382-C-T

Variant summary

Our verdict is Pathogenic. The variant received 10 ACMG points: 10P and 0B. PVS1 PM2

The NM_001127198.5(TMC6):​c.1726G>T​(p.Glu576*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as risk factor (no stars). Variant results in nonsense mediated mRNA decay.

• Frequency: Genomes: not found (cov: 32)
• Consequence: TMC6 NM_001127198.5 stop_gained
• Clinical Significance: risk factor no assertion criteria provided O:1
• Conservation: PhyloP100: 3.22
• Publications: 2 publications found

Genes affected

TMC6 (HGNC:18021): (transmembrane channel like 6) Epidermodysplasia verruciformis (EV) is an autosomal recessive dermatosis characterized by abnormal susceptibility to human papillomaviruses (HPVs) and a high rate of progression to squamous cell carcinoma on sun-exposed skin. EV is caused by mutations in either of two adjacent genes located on chromosome 17q25.3. Both of these genes encode integral membrane proteins that localize to the endoplasmic reticulum and are predicted to form transmembrane channels. This gene encodes a transmembrane channel-like protein with 10 transmembrane domains and 2 leucine zipper motifs. [provided by RefSeq, Jul 2008]

TMC6 Gene-Disease associations (from GenCC):

• epidermodysplasia verruciformis, susceptibility to, 1

  Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics
• epidermodysplasia verruciformis

  Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, Orphanet

ACMG classification

Our verdict: Pathogenic. The variant received 10 ACMG points.

• PVS1: Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001127198.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TMC6	NM_001127198.5	MANE Select	c.1726G>T	p.Glu576*	stop_gained	Exon 14 of 20	NP_001120670.1
	TMC6	NM_001321185.1		c.1726G>T	p.Glu576*	stop_gained	Exon 14 of 20	NP_001308114.1
	TMC6	NM_001374596.1		c.1726G>T	p.Glu576*	stop_gained	Exon 14 of 20	NP_001361525.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TMC6	ENST00000590602.6	TSL:2 MANE Select	c.1726G>T	p.Glu576*	stop_gained	Exon 14 of 20	ENSP00000465261.1
	TMC6	ENST00000322914.7	TSL:1	c.1726G>T	p.Glu576*	stop_gained	Exon 14 of 20	ENSP00000313408.2
	TMC6	ENST00000392467.7	TSL:1	c.1726G>T	p.Glu576*	stop_gained	Exon 13 of 19	ENSP00000376260.2

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 34

GnomAD4 genome Cov.: 32

Alfa AF: 0.0000268 Hom.: 0

ClinVar

Significance: risk factor

Submissions summary: Other:1

Revision: no assertion criteria provided

Submissions by phenotype

Epidermodysplasia verruciformis, susceptibility to, 1 Other:1

Dec 01, 2002

OMIM

Significance: risk factor

Review Status: no assertion criteria provided

Collection Method: literature only

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.58	D
BayesDel_noAF	Pathogenic	0.50
CADD	Pathogenic	45
DANN	Uncertain	1.0
Eigen	Pathogenic	0.73
Eigen_PC	Uncertain	0.49
FATHMM_MKL	Uncertain	0.96	D
PhyloP100		3.2
Vest4		0.90
GERP RS		3.9
RBP_binding_hub_radar		1.0
RBP_regulation_power_radar		2.1
Mutation Taster		=1/199	disease causing (fs/PTC)

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.14		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: rs121908328; hg19: chr17-76115463;