rs574562542

Positions:

chr9-128946018-T-C

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_014908.4(DOLK):c.1286A>G(p.Lys429Arg) variant causes a missense change. The variant allele was found at a frequency of 0.000232 in 1,614,098 control chromosomes in the GnomAD database, including 4 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.000079 ( 0 hom., cov: 31)

Exomes 𝑓: 0.00025 ( 4 hom. )

Consequence

DOLK
NM_014908.4 missense

Scores

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:6

Conservation

PhyloP100: 5.30

Variant links:

Genes affected

DOLK (HGNC:23406): (dolichol kinase) The protein encoded by this gene catalyzes the CTP-mediated phosphorylation of dolichol, and is involved in the synthesis of Dol-P-Man, which is an essential glycosyl carrier lipid for C- and O-mannosylation, N- and O-linked glycosylation of proteins, and for the biosynthesis of glycosyl phosphatidylinositol anchors in endoplasmic reticulum. Mutations in this gene are associated with dolichol kinase deficiency.[provided by RefSeq, Apr 2010]

DOLK links:

ENSG00000251184 (HGNC:):

ENSG00000251184 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.009282827).

BP6

Variant 9-128946018-T-C is Benign according to our data. Variant chr9-128946018-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 227332.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.0000788 (12/152234) while in subpopulation SAS AF= 0.00249 (12/4814). AF 95% confidence interval is 0.00144. There are 0 homozygotes in gnomad4. There are 10 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.

BS2

High Homozygotes in GnomAdExome4 at 4 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
DOLK	NM_014908.4 linkuse as main transcript	c.1286A>G	p.Lys429Arg	missense_variant	1/1	ENST00000372586.4	NP_055723.1	Q9UPQ8A0A0S2Z597

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
DOLK	ENST00000372586.4 linkuse as main transcript	c.1286A>G	p.Lys429Arg	missense_variant	1/1	6	NM_014908.4	ENSP00000361667.3		Q9UPQ8
ENSG00000251184	ENST00000482796.1 linkuse as main transcript	c.39-3171T>C		intron_variant		2		ENSP00000417556.2		H7C4K7

Frequencies

GnomAD3 genomes

AF:

0.0000789

AC:

AN:

152116

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00249

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000561

AC:

141

AN:

251338

Hom.:

AF XY:

0.000692

AC XY:

AN XY:

135868

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000578

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00451

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000248

AC:

363

AN:

1461864

Hom.:

Cov.:

AF XY:

0.000344

AC XY:

250

AN XY:

727230

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000447

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00386

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000180

Gnomad4 OTH exome

AF:

0.000397

GnomAD4 genome

AF:

0.0000788

AC:

AN:

152234

Hom.:

Cov.:

AF XY:

0.000134

AC XY:

AN XY:

74424

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00249

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000204

Hom.:

Bravo

AF:

0.0000453

ExAC

AF:

0.000684

AC:

Asia WGS

AF:

0.00491

AC:

AN:

3478

ClinVar

Significance: Likely benign

Submissions summary: Benign:6

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:2

Likely benign, criteria provided, single submitter	clinical testing	Women's Health and Genetics/Laboratory Corporation of America, LabCorp	Oct 09, 2023	Variant summary: DOLK c.1286A>G (p.Lys429Arg) results in a conservative amino acid change in the encoded protein sequence. Three of four in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 0.00056 in 251338 control chromosomes, predominantly at a frequency of 0.0045 within the South Asian subpopulation in the gnomAD database, including 1 homozygotes. The observed variant frequency within South Asian control individuals in the gnomAD database is approximately 4.025 fold of the estimated maximal expected allele frequency for a pathogenic variant in DOLK causing DK1-Congenital Disorder Of Glycosylation phenotype (0.0011), strongly suggesting that the variant is a benign polymorphism found primarily in populations of South Asian origin. To our knowledge, no occurrence of c.1286A>G in individuals affected with DK1-Congenital Disorder Of Glycosylation and no experimental evidence demonstrating its impact on protein function have been reported. Four submitters have cited clinical-significance assessments for this variant to ClinVar after 2014. All submitters classified the variant as benign/likely benign. Based on the evidence outlined above, the variant was classified as likely benign. -
Likely benign, criteria provided, single submitter	clinical testing	Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine	Jul 23, 2015	p.Lys429Arg in exon 1 of DOLK: This variant is not expected to have clinical sig nificance because it has been identified in 0.5% (83/16506) of South Asian chrom osomes by the Exome Aggregation Consortium (ExAC, http://exac.broadinstitute.org ; dbSNP rs574562542). -

not provided

Benign:2

Likely benign, criteria provided, single submitter	not provided	Breakthrough Genomics, Breakthrough Genomics	-	- -
Likely benign, criteria provided, single submitter	clinical testing	GeneDx	Sep 04, 2019	- -

DK1-congenital disorder of glycosylation

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Nov 24, 2023

- -

Cardiovascular phenotype

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Ambry Genetics

Feb 18, 2021

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.075

BayesDel_addAF

Benign

-0.28

BayesDel_noAF

Benign

-0.17

CADD

Benign

DANN

Uncertain

1.0

DEOGEN2

Benign

0.20

Eigen

Uncertain

0.22

Eigen_PC

Uncertain

0.29

FATHMM_MKL

Uncertain

0.96

LIST_S2

Benign

0.73

M_CAP

Benign

0.028

MetaRNN

Benign

0.0093

MetaSVM

Uncertain

-0.036

MutationAssessor

Pathogenic

3.1

PrimateAI

Uncertain

0.60

PROVEAN

Benign

-0.67

REVEL

Uncertain

0.42

Sift

Benign

0.036

Sift4G

Pathogenic

0.0

Polyphen

0.66

Vest4

0.40

MutPred

0.40

Loss of methylation at K429 (P = 0.048);

MVP

0.80

MPC

0.51

ClinPred

0.082

GERP RS

4.4

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.11

gMVP

0.42

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