NM_018127.7:c.368-4T>A

Variant names:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_018127.7(ELAC2):c.368-4T>A variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00644 in 1,613,030 control chromosomes in the GnomAD database, including 77 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0063 ( 12 hom., cov: 33)

Exomes 𝑓: 0.0065 ( 65 hom. )

Consequence

ELAC2
NM_018127.7 splice_region, intron

Scores

Splicing: ADA: 0.00001436

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 0.0640

Publications

1 publications found

Variant links:

Genes affected

ELAC2 (HGNC:14198): (elaC ribonuclease Z 2) The protein encoded by this gene has a C-terminal domain with tRNA 3′ processing endoribonuclease activity, which catalyzes the removal of the 3' trailer from precursor tRNAs. The protein also interacts with activated Smad family member 2 (Smad2) and its nuclear partner forkhead box H1 (also known as FAST-1), and reduced expression can suppress transforming growth factor-beta induced growth arrest. Mutations in this gene result in an increased risk of prostate cancer. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2009]

ELAC2 Gene-Disease associations (from GenCC):

combined oxidative phosphorylation defect type 17
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, G2P, Labcorp Genetics (formerly Invitae)
mitochondrial disease
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen

ELAC2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.65).

BP6

Variant 17-13015836-A-T is Benign according to our data. Variant chr17-13015836-A-T is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 241279.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.00631 (962/152340) while in subpopulation AMR AF = 0.00784 (120/15304). AF 95% confidence interval is 0.0067. There are 12 homozygotes in GnomAd4. There are 528 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 12 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ELAC2	NM_018127.7 link	c.368-4T>A		splice_region_variant, intron_variant	Intron 3 of 23	ENST00000338034.9	NP_060597.4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ELAC2	ENST00000338034.9 link	c.368-4T>A		splice_region_variant, intron_variant	Intron 3 of 23	1	NM_018127.7	ENSP00000337445.4

Frequencies

GnomAD3 genomes

AF:

0.00632

AC:

962

AN:

152222

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000699

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00785

Gnomad ASJ

AF:

0.00144

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00104

Gnomad FIN

AF:

0.0309

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00685

Gnomad OTH

AF:

0.00430

GnomAD2 exomes

AF:

0.00677

AC:

1696

AN:

250404

AF XY:

0.00650

show subpopulations

Gnomad AFR exome

AF:

0.000931

Gnomad AMR exome

AF:

0.00206

Gnomad ASJ exome

AF:

0.00259

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0341

Gnomad NFE exome

AF:

0.00662

Gnomad OTH exome

AF:

0.00640

GnomAD4 exome

AF:

0.00645

AC:

9424

AN:

1460690

Hom.:

Cov.:

AF XY:

0.00626

AC XY:

4551

AN XY:

726716

show subpopulations

African (AFR)

AF:

0.00105

AC:

AN:

33448

American (AMR)

AF:

0.00228

AC:

102

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00184

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39694

South Asian (SAS)

AF:

0.00147

AC:

127

AN:

86242

European-Finnish (FIN)

AF:

0.0299

AC:

1592

AN:

53326

Middle Eastern (MID)

AF:

0.000693

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00646

AC:

7172

AN:

1111010

Other (OTH)

AF:

0.00570

AC:

344

AN:

60350

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.458

Heterozygous variant carriers

424

848

1271

1695

2119

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

274

548

822

1096

1370

<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:

0.00631

AC:

962

AN:

152340

Hom.:

Cov.:

AF XY:

0.00709

AC XY:

528

AN XY:

74488

show subpopulations

African (AFR)

AF:

0.000697

AC:

AN:

41584

American (AMR)

AF:

0.00784

AC:

120

AN:

15304

Ashkenazi Jewish (ASJ)

AF:

0.00144

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00104

AC:

AN:

4820

European-Finnish (FIN)

AF:

0.0309

AC:

328

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00685

AC:

466

AN:

68032

Other (OTH)

AF:

0.00425

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

Heterozygous variant carriers

133

177

221

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome 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

Alfa

AF:

0.00585

Hom.:

Bravo

AF:

0.00469

Asia WGS

AF:

0.000866

AC:

AN:

3478

EpiCase

AF:

0.00545

EpiControl

AF:

0.00533

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:7

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:3

Breakthrough Genomics, Breakthrough Genomics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

Apr 01, 2025

CeGaT Center for Human Genetics Tuebingen

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

ELAC2: BP4, BS2 -

Aug 04, 2017

Mayo Clinic Laboratories, Mayo Clinic

Significance:Benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

not specified

Benign:1

Nov 14, 2016

GeneDx

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

Prostate cancer, hereditary, 2

Benign:1

Jul 07, 2023

KCCC/NGS Laboratory, Kuwait Cancer Control Center

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Combined oxidative phosphorylation defect type 17

Benign:1

Feb 02, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

ELAC2-related disorder

Benign:1

Jan 27, 2020

PreventionGenetics, part of Exact Sciences

Significance:Benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.65

CADD

Benign

(source)

DANN

Benign

0.85

PhyloP100

0.064

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.000014

dbscSNV1_RF

Benign

0.018

SpliceAI score (max)

0.16

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over