Genetic Variant NM_144622.3:c.2098G>A (chr1-155023124-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_144622.3(DCST2):c.2098G>A(p.Glu700Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000062 in 1,612,116 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

DCST2
NM_144622.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.385

Publications

0 publications found

Variant links:

Genes affected

DCST2 (HGNC:26562): (DC-STAMP domain containing 2) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

DCST2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.04313788).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_144622.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DCST2	NM_144622.3	MANE Select	c.2098G>A	p.Glu700Lys	missense	Exon 14 of 15	NP_653223.2	Q5T1A1-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
DCST2	ENST00000368424.4	TSL:1 MANE Select	c.2098G>A	p.Glu700Lys	missense	Exon 14 of 15	ENSP00000357409.3	Q5T1A1-1
DCST2	ENST00000368423.5	TSL:2	n.1850G>A		non_coding_transcript_exon	Exon 9 of 10
DCST2	ENST00000467991.2	TSL:4	n.*342G>A		non_coding_transcript_exon	Exon 4 of 5	ENSP00000437330.2	H0YF62

Frequencies

GnomAD3 genomes

AF:

0.0000263

AC:

AN:

152254

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000723

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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

GnomAD2 exomes

AF:

0.00000403

AC:

AN:

247890

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.0000648

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000411

AC:

AN:

1459862

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726334

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33466

American (AMR)

AF:

0.00

AC:

AN:

44706

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26118

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.00

AC:

AN:

86226

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51886

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5542

European-Non Finnish (NFE)

AF:

0.00000360

AC:

AN:

1111882

Other (OTH)

AF:

0.0000331

AC:

AN:

60340

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.467

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000263

AC:

AN:

152254

Hom.:

Cov.:

AF XY:

0.0000538

AC XY:

AN XY:

74378

show subpopulations

African (AFR)

AF:

0.0000723

AC:

AN:

41472

American (AMR)

AF:

0.00

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5204

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10616

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68050

Other (OTH)

AF:

0.000478

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.512

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.0000936

Hom.:

Bravo

AF:

0.0000189

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.083

BayesDel_addAF

Benign

-0.48

BayesDel_noAF

Benign

-0.74

CADD

Benign

6.1

(source)

DANN

Benign

0.86

DEOGEN2

Benign

0.017

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.4

FATHMM_MKL

Benign

0.054

LIST_S2

Benign

0.62

M_CAP

Benign

0.014

MetaRNN

Benign

0.043

MetaSVM

Benign

-0.94

MutationAssessor

Benign

0.90

PhyloP100

-0.39

PrimateAI

Benign

0.30

PROVEAN

Benign

0.10

REVEL

Benign

0.0080

Sift

Benign

0.49

Sift4G

Benign

0.88

Polyphen

0.0020

Vest4

0.19

MutPred

0.13

Gain of ubiquitination at E700 (P = 4e-04)

MVP

0.12

MPC

0.079

ClinPred

0.024

GERP RS

-1.4

Varity_R

0.022

gMVP

0.33

Mutation Taster

=98/2

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over