chr8-93799678-C-T

Position:

chr8-93799678-C-T

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2

The NM_153704.6(TMEM67):c.2161C>T(p.Pro721Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0043 in 1,613,572 control chromosomes in the GnomAD database, including 22 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0027 ( 3 hom., cov: 32)

Exomes 𝑓: 0.0045 ( 19 hom. )

Consequence

TMEM67
NM_153704.6 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:8

Conservation

PhyloP100: -1.81

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]

TMEM67 links:

TMEM67 (HGNC:):

TMEM67 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.004886687).

BP6

Variant 8-93799678-C-T is Benign according to our data. Variant chr8-93799678-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 126302.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=5, Uncertain_significance=2, Benign=3}. Variant chr8-93799678-C-T is described in Lovd as [Likely_benign].

BS2

High Homozygotes in GnomAd4 at 3 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
TMEM67	NM_153704.6 linkuse as main transcript	c.2161C>T	p.Pro721Ser	missense_variant	21/28	ENST00000453321.8	NP_714915.3	Q5HYA8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
TMEM67	ENST00000453321.8 linkuse as main transcript	c.2161C>T	p.Pro721Ser	missense_variant	21/28	1	NM_153704.6	ENSP00000389998.3		Q5HYA8

Frequencies

GnomAD3 genomes

AF:

0.00266

AC:

404

AN:

152096

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000652

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00151

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.000661

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00500

Gnomad OTH

AF:

0.00335

GnomAD3 exomes

AF:

0.00273

AC:

686

AN:

251328

Hom.:

AF XY:

0.00246

AC XY:

334

AN XY:

135832

show subpopulations

Gnomad AFR exome

AF:

0.000369

Gnomad AMR exome

AF:

0.00142

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000947

Gnomad FIN exome

AF:

0.00157

Gnomad NFE exome

AF:

0.00487

Gnomad OTH exome

AF:

0.00245

GnomAD4 exome

AF:

0.00447

AC:

6536

AN:

1461358

Hom.:

Cov.:

AF XY:

0.00432

AC XY:

3140

AN XY:

727010

show subpopulations

Gnomad4 AFR exome

AF:

0.000657

Gnomad4 AMR exome

AF:

0.00123

Gnomad4 ASJ exome

AF:

0.0000383

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.000881

Gnomad4 FIN exome

AF:

0.00172

Gnomad4 NFE exome

AF:

0.00545

Gnomad4 OTH exome

AF:

0.00376

GnomAD4 genome

AF:

0.00265

AC:

404

AN:

152214

Hom.:

Cov.:

AF XY:

0.00261

AC XY:

194

AN XY:

74434

show subpopulations

Gnomad4 AFR

AF:

0.000650

Gnomad4 AMR

AF:

0.00150

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.000661

Gnomad4 NFE

AF:

0.00500

Gnomad4 OTH

AF:

0.00332

Alfa

AF:

0.00417

Hom.:

Bravo

AF:

0.00277

TwinsUK

AF:

0.00458

AC:

ALSPAC

AF:

0.00363

AC:

ESP6500AA

AF:

0.000454

AC:

ESP6500EA

AF:

0.00547

AC:

ExAC

AF:

0.00300

AC:

364

Asia WGS

AF:

0.000289

AC:

AN:

3478

EpiCase

AF:

0.00507

EpiControl

AF:

0.00427

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:8

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not specified

Benign:3

Benign, criteria provided, single submitter	clinical testing	Genetic Services Laboratory, University of Chicago	Aug 02, 2013	- -
Likely benign, criteria provided, single submitter	clinical testing	PreventionGenetics, part of Exact Sciences	-	- -
Benign, criteria provided, single submitter	clinical testing	Eurofins Ntd Llc (ga)	Apr 09, 2015	- -

not provided

Benign:3

Likely benign, criteria provided, single submitter	clinical testing	GeneDx	Mar 14, 2020	- -
Likely benign, criteria provided, single submitter	clinical testing	Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics	Jul 22, 2016	- -
Likely benign, criteria provided, single submitter	clinical testing	CeGaT Center for Human Genetics Tuebingen	Nov 01, 2024	TMEM67: BP4, BS2 -

Meckel syndrome, type 3

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Apr 27, 2017

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases did not allow this variant to be ruled in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance. -

Nephronophthisis 11

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Apr 27, 2017

Meckel-Gruber syndrome;C0431399:Familial aplasia of the vermis

Benign:1

Benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jan 31, 2024

- -

Joubert syndrome 6

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Apr 27, 2017

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.050

BayesDel_addAF

Benign

-0.44

BayesDel_noAF

Benign

-0.40

CADD

Benign

0.0080

DANN

Benign

0.14

DEOGEN2

Benign

0.36

T;.

Eigen

Benign

-2.2

Eigen_PC

Benign

-2.3

FATHMM_MKL

Benign

0.014

LIST_S2

Benign

0.62

T;T

M_CAP

Benign

0.029

MetaRNN

Benign

0.0049

T;T

MetaSVM

Benign

-0.59

MutationAssessor

Benign

-1.7

N;.

PrimateAI

Benign

0.23

PROVEAN

Benign

0.34

N;N

REVEL

Uncertain

0.30

Sift

Benign

0.70

T;T

Sift4G

Benign

0.70

T;T

Polyphen

0.0

B;.

Vest4

0.061

MVP

0.75

MPC

0.12

ClinPred

0.0013

GERP RS

-11

Varity_R

0.023

gMVP

0.44

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