rs202112856

Positions:

chr17-58216137-C-T

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 0P and 7B. BP4_ModerateBP6BS2

The NM_017777.4(MKS1):c.368G>A(p.Arg123Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000346 in 1,614,164 control chromosomes in the GnomAD database, including 2 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 0.00031 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00035 ( 2 hom. )

Consequence

MKS1
NM_017777.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:8B:3

Conservation

PhyloP100: 0.281

Variant links:

Genes affected

MKS1 (HGNC:7121): (MKS transition zone complex subunit 1) The protein encoded by this gene localizes to the basal body and is required for formation of the primary cilium in ciliated epithelial cells. Mutations in this gene result in Meckel syndrome type 1 and in Bardet-Biedl syndrome type 13. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2009]

MKS1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.07369903).

BP6

Variant 17-58216137-C-T is Benign according to our data. Variant chr17-58216137-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 235814.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=2, Uncertain_significance=8}. Variant chr17-58216137-C-T is described in Lovd as [Likely_benign].

BS2

High Homozygotes in GnomAdExome4 at 2 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
MKS1	NM_017777.4 linkuse as main transcript	c.368G>A	p.Arg123Gln	missense_variant	4/18	ENST00000393119.7	NP_060247.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
MKS1	ENST00000393119.7 linkuse as main transcript	c.368G>A	p.Arg123Gln	missense_variant	4/18	1	NM_017777.4	ENSP00000376827	P1	Q9NXB0-1

Frequencies

GnomAD3 genomes

AF:

0.000309

AC:

AN:

152178

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000121

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000655

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000621

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00949

Gnomad NFE

AF:

0.000353

Gnomad OTH

AF:

0.000957

GnomAD3 exomes

AF:

0.000413

AC:

103

AN:

249448

Hom.:

AF XY:

0.000443

AC XY:

AN XY:

135392

show subpopulations

Gnomad AFR exome

AF:

0.0000647

Gnomad AMR exome

AF:

0.000608

Gnomad ASJ exome

AF:

0.0000993

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000654

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000477

Gnomad OTH exome

AF:

0.000990

GnomAD4 exome

AF:

0.000350

AC:

511

AN:

1461868

Hom.:

Cov.:

AF XY:

0.000362

AC XY:

263

AN XY:

727232

show subpopulations

Gnomad4 AFR exome

AF:

0.000119

Gnomad4 AMR exome

AF:

0.000671

Gnomad4 ASJ exome

AF:

0.000115

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.000661

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000289

Gnomad4 OTH exome

AF:

0.000580

GnomAD4 genome

AF:

0.000309

AC:

AN:

152296

Hom.:

Cov.:

AF XY:

0.000403

AC XY:

AN XY:

74460

show subpopulations

Gnomad4 AFR

AF:

0.000120

Gnomad4 AMR

AF:

0.000654

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000621

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000353

Gnomad4 OTH

AF:

0.000947

Alfa

AF:

0.000421

Hom.:

Bravo

AF:

0.000298

TwinsUK

AF:

0.000809

AC:

ALSPAC

AF:

0.00

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000365

AC:

ExAC

AF:

0.000323

AC:

EpiCase

AF:

0.000927

EpiControl

AF:

0.000771

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:8Benign:3

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:3Benign:1

Likely benign, criteria provided, single submitter	clinical testing	GeneDx	May 14, 2021	This variant is associated with the following publications: (PMID: 18327255) -
Uncertain significance, criteria provided, single submitter	clinical testing	Revvity Omics, Revvity	Dec 26, 2020	- -
Uncertain significance, criteria provided, single submitter	clinical testing	Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics	Jan 06, 2016	- -
Uncertain significance, criteria provided, single submitter	clinical testing	Eurofins Ntd Llc (ga)	Jul 25, 2018	- -

Meckel syndrome, type 1

Uncertain:2

Uncertain significance, no assertion criteria provided	clinical testing	Natera, Inc.	Sep 16, 2020	- -
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. -

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Genetic Services Laboratory, University of Chicago

Jun 13, 2016

- -

Bardet-Biedl syndrome 13

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. -

Bardet-Biedl syndrome 13;C3714506:Meckel syndrome, type 1;C4310705:Joubert syndrome 28

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Fulgent Genetics, Fulgent Genetics

Oct 31, 2018

- -

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

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jan 19, 2024

- -

MKS1-related disorder

Benign:1

Likely benign, no assertion criteria provided

clinical testing

PreventionGenetics, part of Exact Sciences

Apr 26, 2023

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

AlphaMissense

Benign

0.072

BayesDel_addAF

Benign

-0.43

BayesDel_noAF

Benign

-0.49

CADD

Benign

DANN

Uncertain

1.0

DEOGEN2

Benign

0.17

T;T;.

Eigen

Benign

-0.20

Eigen_PC

Benign

-0.16

FATHMM_MKL

Benign

0.16

LIST_S2

Uncertain

0.86

D;D;D

M_CAP

Benign

0.012

MetaRNN

Benign

0.074

T;T;T

MetaSVM

Benign

-0.97

MutationAssessor

Benign

1.9

L;.;.

MutationTaster

Benign

0.99

D;N;N;N;N

PrimateAI

Benign

0.25

PROVEAN

Benign

-0.68

N;.;N

REVEL

Benign

0.079

Sift

Benign

0.14

T;.;T

Sift4G

Benign

0.16

T;T;T

Polyphen

0.65

P;.;.

Vest4

0.25

MVP

0.59

MPC

0.29

ClinPred

0.015

GERP RS

3.8

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.043

gMVP

0.29

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