rs2235481

Variant names:

• chr6-145735712-T-A
• rs2235481
• ENST00000639423.1:c.-114+196A>T

Your query was ambiguous. Multiple possible variants found:

• chr6-145735712-T-A
• chr6-145735712-T-C

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The ENST00000639423.1(EPM2A):​c.-114+196A>T variant causes a intron change involving the alteration of a non-conserved nucleotide. 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: 𝑓 0.0 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: EPM2A ENST00000639423.1 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.711
• Publications: 19 publications found

Genes affected

EPM2A (HGNC:3413): (EPM2A glucan phosphatase, laforin) This gene encodes a dual-specificity phosphatase and may be involved in the regulation of glycogen metabolism. The protein acts on complex carbohydrates to prevent glycogen hyperphosphorylation, thus avoiding the formation of insoluble aggregates. Loss-of-function mutations in this gene have been associated with Lafora disease, a rare, adult-onset recessive neurodegenerative disease, which results in myoclonus epilepsy and usually results in death several years after the onset of symptoms. The disease is characterized by the accumulation of insoluble particles called Lafora bodies, which are derived from glycogen. [provided by RefSeq, Jan 2018]

ENSG00000270638 (HGNC:):

EPM2A-DT (HGNC:48990): (EPM2A divergent transcript)

ACMG classification

Our verdict: Likely_benign. The variant received -4 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.74).

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000639423.1. 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
	EPM2A	NM_001360064.2		c.-114+196A>T		intron	N/A	NP_001346993.1
	EPM2A-DT	NR_038246.1		n.52+792T>A		intron	N/A
	EPM2A	NR_153398.2		n.116+196A>T		intron	N/A

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	EPM2A	ENST00000639423.1	TSL:1	c.-114+196A>T		intron	N/A	ENSP00000492701.1
	ENSG00000270638	ENST00000603994.1	TSL:6	n.143T>A		non_coding_transcript_exon	Exon 1 of 1
	EPM2A	ENST00000611340.5	TSL:2	c.-114+284A>T		intron	N/A	ENSP00000480268.1

Frequencies

GnomAD3 genomes AF: 0.00 AC: 0 AN: 151996 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

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

GnomAD4 exome Data not reliable, filtered out with message: AC0;AS_VQSR AF: 0.00 AC: 0 AN: 808866 Hom.: 0 Cov.: 11 AF XY: 0.00 AC XY: 0 AN XY: 380702

African (AFR) AF: 0.00 AC: 0 AN: 15444

American (AMR) AF: 0.00 AC: 0 AN: 3146

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 7016

East Asian (EAS) AF: 0.00 AC: 0 AN: 9660

South Asian (SAS) AF: 0.00 AC: 0 AN: 15122

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 7930

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 1840

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 719864

Other (OTH) AF: 0.00 AC: 0 AN: 28844

GnomAD4 genome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0 AN: 151996 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 74228

African (AFR) AF: 0.00 AC: 0 AN: 41410

American (AMR) AF: 0.00 AC: 0 AN: 15282

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5132

South Asian (SAS) AF: 0.00 AC: 0 AN: 4826

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10574

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 314

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67986

Other (OTH) AF: 0.00 AC: 0 AN: 2090

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.74
CADD	Benign	5.8
DANN	Benign	0.59
PhyloP100		-0.71
PromoterAI		-0.0086	Neutral

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.0		Details are displayed if max score is > 0.2

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

Other links and lift over

dbSNP: rs2235481; hg19: chr6-146056848;