NM_002461.3:c.678+52G>C

Variant names:

• chr16-88655604-C-G
• rs3736112
• NM_002461.3:c.678+52G>C

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_002461.3(MVD):​c.678+52G>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000072 in 1,388,378 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 34)
  • Exomes 𝑓: 7.2e-7 (0 hom.)
• Consequence: MVD NM_002461.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -1.68
• Publications: 0 publications found

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

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

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

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MVD	NM_002461.3	MANE Select	c.678+52G>C		intron	N/A	NP_002452.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MVD	ENST00000301012.8	TSL:1 MANE Select	c.678+52G>C		intron	N/A	ENSP00000301012.3
	MVD	ENST00000565149.5	TSL:1	n.1237+52G>C		intron	N/A
	MVD	ENST00000569177.5	TSL:5	c.780+52G>C		intron	N/A	ENSP00000455131.1

Frequencies

GnomAD3 genomes Cov.: 34

GnomAD4 exome AF: 7.20e-7 AC: 1 AN: 1388378 Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0 AN XY: 684998

African (AFR) AF: 0.00 AC: 0 AN: 31426

American (AMR) AF: 0.00 AC: 0 AN: 35566

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25008

East Asian (EAS) AF: 0.00 AC: 0 AN: 35702

South Asian (SAS) AF: 0.00 AC: 0 AN: 79004

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 44304

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 4126

European-Non Finnish (NFE) AF: 9.30e-7 AC: 1 AN: 1075612

Other (OTH) AF: 0.00 AC: 0 AN: 57630

GnomAD4 genome Cov.: 34

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.90
CADD	Benign	0.41
DANN	Benign	0.55
PhyloP100		-1.7

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.23		Details are displayed if max score is > 0.2
DS_AG_spliceai		0.23		Position offset: -14

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Other links and lift over

dbSNP: rs3736112; hg19: chr16-88722012;