8-93755751-CTTTTTTTTTTTT-CTT

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP6

The NM_153704.6(TMEM67):​c.224-12_224-3delTTTTTTTTTT variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000073 in 547,778 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: not found (cov: 28)
Exomes 𝑓: 0.0000073 ( 0 hom. )

Consequence

TMEM67
NM_153704.6 splice_region, intron

Scores

Not classified

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: 1.28
Variant links:
Genes affected
TMEM67 (HGNC:28396): (transmembrane protein 67) The protein encoded by this gene localizes to the primary cilium and to the plasma membrane. The gene functions in centriole migration to the apical membrane and formation of the primary cilium. Multiple transcript variants encoding different isoforms have been found for this gene. Defects in this gene are a cause of Meckel syndrome type 3 (MKS3) and Joubert syndrome type 6 (JBTS6). [provided by RefSeq, Nov 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP6
Variant 8-93755751-CTTTTTTTTTT-C is Benign according to our data. Variant chr8-93755751-CTTTTTTTTTT-C is described in ClinVar as [Likely_benign]. Clinvar id is 3043185.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TMEM67NM_153704.6 linkuse as main transcriptc.224-12_224-3delTTTTTTTTTT splice_region_variant, intron_variant ENST00000453321.8 NP_714915.3 Q5HYA8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TMEM67ENST00000453321.8 linkuse as main transcriptc.224-12_224-3delTTTTTTTTTT splice_region_variant, intron_variant 1 NM_153704.6 ENSP00000389998.3 Q5HYA8

Frequencies

GnomAD3 genomes
Cov.:
28
GnomAD4 exome
AF:
0.00000730
AC:
4
AN:
547778
Hom.:
0
AF XY:
0.00000345
AC XY:
1
AN XY:
289910
show subpopulations
Gnomad4 AFR exome
AF:
0.000179
Gnomad4 AMR exome
AF:
0.00
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:
0.00000530
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
28

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

TMEM67-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesNov 13, 2019This 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

Splicing

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: rs587779735; hg19: chr8-94767979; API