dbSNP rs780212718: MVD:c.1013+1G>T (chr16-88654691-C-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PP5_ModerateBS2

The NM_002461.3(MVD):c.1013+1G>T variant causes a splice donor, intron change. The variant allele was found at a frequency of 0.0000187 in 1,444,156 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Pathogenic (★).

Frequency

Genomes: not found (cov: 34)

Exomes 𝑓: 0.000019 ( 0 hom. )

Consequence

MVD
NM_002461.3 splice_donor, intron

Scores

Splicing: ADA: 1.000

Clinical Significance

Pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 5.53

Publications

1 publications found

Variant links:

Genes affected

MVD (HGNC:7529): (mevalonate diphosphate decarboxylase) The enzyme mevalonate pyrophosphate decarboxylase catalyzes the conversion of mevalonate pyrophosphate into isopentenyl pyrophosphate in one of the early steps in cholesterol biosynthesis. It decarboxylates and dehydrates its substrate while hydrolyzing ATP. [provided by RefSeq, Jul 2008]

MVD Gene-Disease associations (from GenCC):

porokeratosis 7, multiple types
Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp, G2P, Labcorp Genetics (formerly Invitae)
disseminated superficial actinic porokeratosis
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

MVD links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PP5

Variant 16-88654691-C-A is Pathogenic according to our data. Variant chr16-88654691-C-A is described in ClinVar as Pathogenic. ClinVar VariationId is 1323302.Status of the report is criteria_provided_single_submitter, 1 stars.

BS2

High AC in GnomAdExome4 at 27 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002461.3. 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
	MVD	NM_002461.3	MANE Select	c.1013+1G>T		splice_donor intron	N/A	NP_002452.1	P53602

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
MVD	ENST00000301012.8	TSL:1 MANE Select	c.1013+1G>T	splice_donor intron	N/A	ENSP00000301012.3	P53602
MVD	ENST00000565149.5	TSL:1	n.1572+1G>T	splice_donor intron	N/A
MVD	ENST00000899622.1		c.1133+1G>T	splice_donor intron	N/A	ENSP00000569681.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000469

AC:

AN:

234420

AF XY:

0.0000704

show subpopulations

Gnomad AFR exome

AF:

0.00

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:

0.0000187

AC:

AN:

1444156

Hom.:

Cov.:

AF XY:

0.0000306

AC XY:

AN XY:

718446

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32116

American (AMR)

AF:

0.00

AC:

AN:

40608

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25552

East Asian (EAS)

AF:

0.00

AC:

AN:

38308

South Asian (SAS)

AF:

0.000300

AC:

AN:

83268

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52590

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5704

European-Non Finnish (NFE)

AF:

9.04e-7

AC:

AN:

1106384

Other (OTH)

AF:

0.0000168

AC:

AN:

59626

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.445

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

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.0000330

AC:

ClinVar

ClinVar submissions

Significance:Pathogenic

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

Porokeratosis 7, multiple types (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Benign

0.0094

BayesDel_noAF

Uncertain

0.090

CADD

Uncertain

(source)

DANN

Uncertain

0.99

Eigen

Pathogenic

0.91

Eigen_PC

Pathogenic

0.69

FATHMM_MKL

Pathogenic

0.99

PhyloP100

5.5

GERP RS

4.4

Mutation Taster

=0/100

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Pathogenic

1.0

dbscSNV1_RF

Pathogenic

0.85

SpliceAI score (max)

0.99

Details are displayed if max score is > 0.2

DS_DL_spliceai

0.99

Position offset: 1

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over