Genetic Variant DPT:p.Arg182Gly (chr1-168696611-G-C) – ACMG Classification: Likely_pathogenic (8 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 8 ACMG points: 8P and 0B. PM2PM5PP3_Strong

The NM_001937.5(DPT):c.544C>G(p.Arg182Gly) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,254 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R182C) has been classified as Pathogenic.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

DPT
NM_001937.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.28

Publications

0 publications found

Variant links:

Genes affected

DPT (HGNC:3011): (dermatopontin) Dermatopontin is an extracellular matrix protein with possible functions in cell-matrix interactions and matrix assembly. The protein is found in various tissues and many of its tyrosine residues are sulphated. Dermatopontin is postulated to modify the behavior of TGF-beta through interaction with decorin. [provided by RefSeq, Jul 2008]

DPT links:

LINC00970 (HGNC:48730): (long intergenic non-protein coding RNA 970)

LINC00970 links:

ENSG00000307075 (HGNC:):

ENSG00000307075 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 8 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PM5

Other missense variant is known to change same aminoacid residue: Variant chr1-168696611-G-A is described in ClinVar as Pathogenic. ClinVar VariationId is 224834.Status of the report is criteria_provided_single_submitter, 1 stars.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.97

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001937.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DPT	NM_001937.5	MANE Select	c.544C>G	p.Arg182Gly	missense	Exon 4 of 4	NP_001928.2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
DPT	ENST00000367817.4	TSL:1 MANE Select	c.544C>G	p.Arg182Gly	missense	Exon 4 of 4	ENSP00000356791.3
LINC00970	ENST00000650631.1		n.944C>G		non_coding_transcript_exon	Exon 9 of 9
LINC00970	ENST00000715524.1		n.1122C>G		non_coding_transcript_exon	Exon 10 of 10

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461254

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726952

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33456

American (AMR)

AF:

0.00

AC:

AN:

44682

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26126

East Asian (EAS)

AF:

0.00

AC:

AN:

39692

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86200

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53396

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111586

Other (OTH)

AF:

0.00

AC:

AN:

60354

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

1.0

BayesDel_addAF

Pathogenic

0.36

BayesDel_noAF

Pathogenic

0.29

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.75

Eigen

Pathogenic

0.78

Eigen_PC

Pathogenic

0.78

FATHMM_MKL

Uncertain

0.95

LIST_S2

Uncertain

0.90

M_CAP

Uncertain

0.18

MetaRNN

Pathogenic

0.97

MetaSVM

Uncertain

0.15

MutationAssessor

Uncertain

2.3

PhyloP100

6.3

PrimateAI

Uncertain

0.64

PROVEAN

Pathogenic

-5.8

REVEL

Pathogenic

0.85

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0

Polyphen

1.0

Vest4

0.94

MutPred

0.83

Loss of helix (P = 0.028)

MVP

0.96

MPC

0.55

ClinPred

1.0

GERP RS

5.6

Varity_R

0.90

gMVP

0.96

Mutation Taster

=40/60

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.20

Details are displayed if max score is > 0.2

DS_AL_spliceai

0.20

Position offset: 4

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over