Genetic Variant TMEM94:c.144+10C>T (chr17-75485557-C-T) – ACMG Classification: Benign (-13 pts)

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2

The NM_014738.6(TMEM94):c.144+10C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000208 in 1,614,132 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.0012 ( 2 hom., cov: 32)

Exomes 𝑓: 0.00011 ( 1 hom. )

Consequence

TMEM94
NM_014738.6 intron

Scores

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: -0.471

Variant links:

Genes affected

TMEM94 (HGNC:28983): (transmembrane protein 94) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

TMEM94 links:

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -13 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.86).

BP6

Variant 17-75485557-C-T is Benign according to our data. Variant chr17-75485557-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3034903.Status of the report is no_assertion_criteria_provided, 0 stars.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00118 (179/152304) while in subpopulation AFR AF= 0.00421 (175/41572). AF 95% confidence interval is 0.0037. There are 2 homozygotes in gnomad4. There are 79 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 2 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TMEM94	NM_014738.6 link	c.144+10C>T		intron_variant	Intron 3 of 31	ENST00000314256.12	NP_055553.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TMEM94	ENST00000314256.12 link	c.144+10C>T		intron_variant	Intron 3 of 31	1	NM_014738.6	ENSP00000313885.7		Q12767-1

Frequencies

GnomAD3 genomes

AF:

0.00118

AC:

180

AN:

152186

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00425

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000196

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:

0.000478

GnomAD3 exomes

AF:

0.000338

AC:

AN:

251188

Hom.:

AF XY:

0.000184

AC XY:

AN XY:

135808

show subpopulations

Gnomad AFR exome

AF:

0.00505

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:

0.000163

GnomAD4 exome

AF:

0.000107

AC:

156

AN:

1461828

Hom.:

Cov.:

AF XY:

0.0000935

AC XY:

AN XY:

727216

show subpopulations

Gnomad4 AFR exome

AF:

0.00424

Gnomad4 AMR exome

AF:

0.0000894

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:

0.00

Gnomad4 OTH exome

AF:

0.000166

GnomAD4 genome

AF:

0.00118

AC:

179

AN:

152304

Hom.:

Cov.:

AF XY:

0.00106

AC XY:

AN XY:

74464

show subpopulations

Gnomad4 AFR

AF:

0.00421

Gnomad4 AMR

AF:

0.000196

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:

0.000473

Alfa

AF:

0.00143

Hom.:

Bravo

AF:

0.00131

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: no assertion criteria provided

LINK: link

Submissions by phenotype

TMEM94-related disorder

Benign:1

Aug 09, 2019

PreventionGenetics, part of Exact Sciences

Significance: Likely benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.86

CADD

Benign

5.0

DANN

Benign

0.56

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over