NM_012282.4:c.334G>A

Variant names:

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2

The NM_012282.4(KCNE5):c.334G>A(p.Asp112Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000913 in 1,183,360 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 23 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 13/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D112E) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000071 ( 0 hom., 3 hem., cov: 25)

Exomes 𝑓: 0.000093 ( 0 hom. 20 hem. )

Consequence

KCNE5
NM_012282.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: 0.585

Publications

0 publications found

Variant links:

Genes affected

KCNE5 (HGNC:6241): (potassium voltage-gated channel subfamily E regulatory subunit 5) This gene encodes a member of a family of single pass transmembrane domain proteins that function as ancillary subunits to voltage-gated potassium channels. Members of this family affect diverse processes in potassium channel regulation, including ion selectivity, voltage dependence, and anterograde recycling from the plasma membrane. Variants of this gene are associated with idiopathic ventricular fibrillation and Brugada syndrome. [provided by RefSeq, Nov 2016]

KCNE5 links:

ACSL4 (HGNC:3571): (acyl-CoA synthetase long chain family member 4) The protein encoded by this gene is an isozyme of the long-chain fatty-acid-coenzyme A ligase family. Although differing in substrate specificity, subcellular localization, and tissue distribution, all isozymes of this family convert free long-chain fatty acids into fatty acyl-CoA esters, and thereby play a key role in lipid biosynthesis and fatty acid degradation. This isozyme preferentially utilizes arachidonate as substrate. The absence of this enzyme may contribute to the cognitive disability or Alport syndrome. Alternative splicing of this gene generates multiple transcript variants. [provided by RefSeq, Jan 2016]

ACSL4 Gene-Disease associations (from GenCC):

non-syndromic X-linked intellectual disability
Inheritance: XL Classification: DEFINITIVE, MODERATE, SUPPORTIVE Submitted by: ClinGen, Illumina, Orphanet
intellectual disability, X-linked 63
Inheritance: XL Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P

ACSL4 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 (MetaRNN=0.0053347945).

BP6

Variant X-109624687-C-T is Benign according to our data. Variant chrX-109624687-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 463282.

BS2

High AC in GnomAd4 at 8 Unknown,AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_012282.4. 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
	KCNE5	NM_012282.4	MANE Select	c.334G>A	p.Asp112Asn	missense	Exon 1 of 1	NP_036414.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	KCNE5	ENST00000372101.3	TSL:6 MANE Select	c.334G>A	p.Asp112Asn	missense	Exon 1 of 1	ENSP00000361173.2
	ACSL4	ENST00000439581.1	TSL:3	n.387-366G>A		intron	N/A

Frequencies

GnomAD3 genomes

AF:

0.0000709

AC:

AN:

112891

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000644

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:

0.0000188

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000648

AC:

AN:

123508

AF XY:

0.000379

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00360

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:

0.000299

GnomAD4 exome

AF:

0.0000934

AC:

100

AN:

1070469

Hom.:

Cov.:

AF XY:

0.0000575

AC XY:

AN XY:

347859

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

25531

American (AMR)

AF:

0.00308

AC:

AN:

30877

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

18752

East Asian (EAS)

AF:

0.00

AC:

AN:

28441

South Asian (SAS)

AF:

0.00

AC:

AN:

51281

European-Finnish (FIN)

AF:

0.00

AC:

AN:

37374

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4018

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

829178

Other (OTH)

AF:

0.000111

AC:

AN:

45017

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.552

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

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

GnomAD4 genome

AF:

0.0000709

AC:

AN:

112891

Hom.:

Cov.:

AF XY:

0.0000854

AC XY:

AN XY:

35133

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31152

American (AMR)

AF:

0.000644

AC:

AN:

10862

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2646

East Asian (EAS)

AF:

0.00

AC:

AN:

3513

South Asian (SAS)

AF:

0.00

AC:

AN:

2814

European-Finnish (FIN)

AF:

0.00

AC:

AN:

6305

Middle Eastern (MID)

AF:

0.00

AC:

AN:

234

European-Non Finnish (NFE)

AF:

0.0000188

AC:

AN:

53162

Other (OTH)

AF:

0.00

AC:

AN:

1526

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.505

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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:

0.000174

Hom.:

Bravo

AF:

0.000234

ExAC

AF:

0.000413

AC:

ClinVar

ClinVar submissions as Germline

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

Brugada syndrome (1)

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.084

BayesDel_addAF

Benign

-0.67

BayesDel_noAF

Benign

-0.73

CADD

Benign

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.058

FATHMM_MKL

Benign

0.040

LIST_S2

Benign

0.41

MetaRNN

Benign

0.0053

MetaSVM

Benign

-0.96

PhyloP100

0.58

PrimateAI

Uncertain

0.69

PROVEAN

Benign

-0.66

REVEL

Benign

0.034

Sift

Benign

0.088

Sift4G

Benign

0.55

Polyphen

0.012

Vest4

0.095

MutPred

0.14

Gain of catalytic residue at D112 (P = 0.0797)

MVP

0.10

MPC

0.37

ClinPred

0.023

GERP RS

2.5

PromoterAI

-0.021

Neutral

(source)

Varity_R

0.074

gMVP

0.54

Mutation Taster

=95/5

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

ClinVar submissions as Germline

Computational scores

Splicing

Publications

Other links and lift over