chr16-88654691-C-A

Variant summary

Our verdict is Pathogenic. Variant got 10 ACMG points: 14P and 4B. PVS1PP3_StrongPP5_ModerateBS2

The NM_002461.3(MVD):​c.1013+1G>T variant causes a splice donor 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

Scores

3
2
2
Splicing: ADA: 1.000
2

Clinical Significance

Pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 5.53
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 10 ACMG points.

PVS1
Splicing +-2 bp (donor or acceptor) variant, LoF is a know mechanism of disease, No cryptic splice site detected. Exon removal results in frameshift change.
PP3
Splicing scoreres supports a deletorius effect: Scorers claiming Pathogenic: dbscSNV1_ADA, dbscSNV1_RF, max_spliceai. No scorers claiming Uncertain. No scorers claiming Benign.
PP5
Variant 16-88654691-C-A is Pathogenic according to our data. Variant chr16-88654691-C-A is described in ClinVar as [Pathogenic]. Clinvar id is 1323302.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomAdExome4 at 27 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MVDNM_002461.3 linkuse as main transcriptc.1013+1G>T splice_donor_variant ENST00000301012.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MVDENST00000301012.8 linkuse as main transcriptc.1013+1G>T splice_donor_variant 1 NM_002461.3 P1
MVDENST00000565149.5 linkuse as main transcriptn.1572+1G>T splice_donor_variant, non_coding_transcript_variant 1
MVDENST00000561895.1 linkuse as main transcriptn.294+1G>T splice_donor_variant, non_coding_transcript_variant 2

Frequencies

GnomAD3 genomes
Cov.:
34
GnomAD3 exomes
AF:
0.0000469
AC:
11
AN:
234420
Hom.:
0
AF XY:
0.0000704
AC XY:
9
AN XY:
127918
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 SAS exome
AF:
0.000388
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000187
AC:
27
AN:
1444156
Hom.:
0
Cov.:
31
AF XY:
0.0000306
AC XY:
22
AN XY:
718446
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000300
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.04e-7
Gnomad4 OTH exome
AF:
0.0000168
GnomAD4 genome
Cov.:
34
Bravo
AF:
0.00000378
ExAC
AF:
0.0000330
AC:
4

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Porokeratosis 7, multiple types Pathogenic:1
Pathogenic, criteria provided, single submitterclinical testingRevvity Omics, RevvityAug 01, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Benign
0.0094
T
BayesDel_noAF
Uncertain
0.090
CADD
Uncertain
26
DANN
Uncertain
0.99
Eigen
Pathogenic
0.91
Eigen_PC
Pathogenic
0.69
FATHMM_MKL
Pathogenic
0.99
D
MutationTaster
Benign
1.0
D
GERP RS
4.4

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs780212718; hg19: chr16-88721099; API