Genetic Variant MVD:c.1013+1G>A (chr16-88654691-C-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2

The NM_002461.3(MVD):c.1013+1G>A variant causes a splice donor, intron change. The variant allele was found at a frequency of 0.00000564 in 1,596,420 control chromosomes in the GnomAD database, with no homozygous occurrence. 3/3 splice prediction tools predicting alterations to normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 34)

Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

MVD
NM_002461.3 splice_donor, intron

Scores

Splicing: ADA: 1.000

Clinical Significance

Not reported in ClinVar

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, Labcorp Genetics (formerly Invitae), G2P
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 -4 ACMG points.

BS2

High AC in GnomAdExome4 at 7 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MVD	NM_002461.3 link	c.1013+1G>A		splice_donor_variant, intron_variant	Intron 8 of 9	ENST00000301012.8	NP_002452.1

Ensembl

Gene	Transcript	HGVSc	Effect	Exon rank	TSL	MANE	Protein	UniProt
MVD	ENST00000301012.8 link	c.1013+1G>A	splice_donor_variant, intron_variant	Intron 8 of 9	1	NM_002461.3	ENSP00000301012.3	P53602
MVD	ENST00000565149.5 link	n.1572+1G>A	splice_donor_variant, intron_variant	Intron 4 of 5	1
MVD	ENST00000561895.1 link	n.294+1G>A	splice_donor_variant, intron_variant	Intron 1 of 2	2

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152262

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000482

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:

0.00

GnomAD2 exomes

AF:

0.00000427

AC:

AN:

234420

AF XY:

0.00000782

show subpopulations

Gnomad AFR exome

AF:

0.0000663

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:

0.00000485

AC:

AN:

1444158

Hom.:

Cov.:

AF XY:

0.00000696

AC XY:

AN XY:

718446

show subpopulations

African (AFR)

AF:

0.0000311

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:

0.00

AC:

AN:

83270

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52590

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5704

European-Non Finnish (NFE)

AF:

0.00000452

AC:

AN:

1106384

Other (OTH)

AF:

0.0000168

AC:

AN:

59626

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.518

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152262

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74388

show subpopulations

African (AFR)

AF:

0.0000482

AC:

AN:

41474

American (AMR)

AF:

0.00

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68050

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Uncertain

0.082

BayesDel_noAF

Uncertain

0.070

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

Eigen

Pathogenic

0.91

Eigen_PC

Pathogenic

0.69

FATHMM_MKL

Pathogenic

0.98

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

0.88

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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16-88654691-C-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over