Genetic Variant EPB41L1:p.Lys330Lys (chr20-36188463-G-A) – ACMG Classification: Benign (-9 pts)

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_ModerateBP6_ModerateBP7BS2

The NM_012156.2(EPB41L1):c.990G>A(p.Lys330Lys) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000228 in 1,613,876 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00022 ( 0 hom., cov: 31)

Exomes 𝑓: 0.00023 ( 1 hom. )

Consequence

EPB41L1
NM_012156.2 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.50

Publications

0 publications found

Variant links:

Genes affected

EPB41L1 (HGNC:3378): (erythrocyte membrane protein band 4.1 like 1) Erythrocyte membrane protein band 4.1 (EPB41) is a multifunctional protein that mediates interactions between the erythrocyte cytoskeleton and the overlying plasma membrane. The encoded protein binds and stabilizes D2 and D3 dopamine receptors at the neuronal plasma membrane. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2015]

EPB41L1 Gene-Disease associations (from GenCC):

autosomal dominant non-syndromic intellectual disability
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
complex neurodevelopmental disorder
Inheritance: AD Classification: LIMITED Submitted by: ClinGen
intellectual disability, autosomal dominant 11
Inheritance: AD Classification: LIMITED Submitted by: G2P

EPB41L1 links:

LOC124904892 (HGNC:):

LOC124904892 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.39).

BP6

Variant 20-36188463-G-A is Benign according to our data. Variant chr20-36188463-G-A is described in ClinVar as Likely_benign. ClinVar VariationId is 435066.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=2.5 with no splicing effect.

BS2

High AC in GnomAd4 at 34 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_012156.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
EPB41L1	NM_012156.2	MANE Select	c.990G>A	p.Lys330Lys	synonymous	Exon 9 of 22	NP_036288.2
EPB41L1	NM_001433605.1		c.990G>A	p.Lys330Lys	synonymous	Exon 9 of 23	NP_001420534.1
EPB41L1	NM_001258329.1		c.990G>A	p.Lys330Lys	synonymous	Exon 10 of 23	NP_001245258.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
EPB41L1	ENST00000338074.7	TSL:1 MANE Select	c.990G>A	p.Lys330Lys	synonymous	Exon 9 of 22	ENSP00000337168.2
EPB41L1	ENST00000373946.7	TSL:1	c.990G>A	p.Lys330Lys	synonymous	Exon 10 of 23	ENSP00000363057.4
EPB41L1	ENST00000202028.9	TSL:1	c.804G>A	p.Lys268Lys	synonymous	Exon 9 of 20	ENSP00000202028.5

Frequencies

GnomAD3 genomes

AF:

0.000224

AC:

AN:

151948

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000242

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000262

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:

0.000412

Gnomad OTH

AF:

0.000482

GnomAD2 exomes

AF:

0.000151

AC:

AN:

251416

AF XY:

0.000132

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000116

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000281

Gnomad OTH exome

AF:

0.000326

GnomAD4 exome

AF:

0.000228

AC:

334

AN:

1461810

Hom.:

Cov.:

AF XY:

0.000231

AC XY:

168

AN XY:

727186

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.000112

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86244

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5722

European-Non Finnish (NFE)

AF:

0.000283

AC:

315

AN:

1112002

Other (OTH)

AF:

0.000215

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.478

Heterozygous variant carriers

101

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

100

<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

AF:

0.000224

AC:

AN:

152066

Hom.:

Cov.:

AF XY:

0.000215

AC XY:

AN XY:

74364

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41472

American (AMR)

AF:

0.000262

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5176

South Asian (SAS)

AF:

0.00

AC:

AN:

4806

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10590

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000412

AC:

AN:

67980

Other (OTH)

AF:

0.000477

AC:

AN:

2098

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.499

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.000290

Hom.:

Bravo

AF:

0.000159

Asia WGS

AF:

0.000289

AC:

AN:

3478

EpiCase

AF:

0.000491

EpiControl

AF:

0.000415

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Benign:1

Nov 02, 2016

Genetic Services Laboratory, University of Chicago

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.39

CADD

Benign

9.0

(source)

DANN

Benign

0.63

PhyloP100

2.5

Mutation Taster

=100/0

polymorphism

(source)

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

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

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over