Genetic Variant ENO2:c.311-9A>C (chr12-6917572-A-C) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_StrongBP6_Moderate

The NM_001975.3(ENO2):c.311-9A>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000279 in 1,610,940 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 Benign (★).

Frequency

Genomes: 𝑓 0.0015 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00016 ( 1 hom. )

Consequence

ENO2
NM_001975.3 intron

Scores

Splicing: ADA: 0.0001823

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.419

Publications

0 publications found

Variant links:

Genes affected

ENO2 (HGNC:3353): (enolase 2) This gene encodes one of the three enolase isoenzymes found in mammals. This isoenzyme, a homodimer, is found in mature neurons and cells of neuronal origin. A switch from alpha enolase to gamma enolase occurs in neural tissue during development in rats and primates. [provided by RefSeq, Jul 2008]

ENO2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.67).

BP6

Variant 12-6917572-A-C is Benign according to our data. Variant chr12-6917572-A-C is described in ClinVar as [Benign]. Clinvar id is 785391.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ENO2	NM_001975.3 link	c.311-9A>C		intron_variant	Intron 5 of 11	ENST00000229277.6	NP_001966.1	P09104-1Q6FHV6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ENO2	ENST00000229277.6 link	c.311-9A>C		intron_variant	Intron 5 of 11	1	NM_001975.3	ENSP00000229277.1		P09104-1

Frequencies

GnomAD3 genomes

AF:

0.00145

AC:

221

AN:

152090

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00493

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000981

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:

0.000956

GnomAD2 exomes

AF:

0.000383

AC:

AN:

248244

AF XY:

0.000328

show subpopulations

Gnomad AFR exome

AF:

0.00480

Gnomad AMR exome

AF:

0.000436

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000892

Gnomad OTH exome

AF:

0.000165

GnomAD4 exome

AF:

0.000156

AC:

227

AN:

1458734

Hom.:

Cov.:

AF XY:

0.000156

AC XY:

113

AN XY:

725570

show subpopulations

African (AFR)

AF:

0.00529

AC:

177

AN:

33456

American (AMR)

AF:

0.000404

AC:

AN:

44574

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25842

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.0000699

AC:

AN:

85796

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53010

Middle Eastern (MID)

AF:

0.000174

AC:

AN:

5756

European-Non Finnish (NFE)

AF:

0.00000180

AC:

AN:

1110346

Other (OTH)

AF:

0.000382

AC:

AN:

60256

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.497

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00146

AC:

222

AN:

152206

Hom.:

Cov.:

AF XY:

0.00145

AC XY:

108

AN XY:

74420

show subpopulations

African (AFR)

AF:

0.00494

AC:

205

AN:

41516

American (AMR)

AF:

0.000980

AC:

AN:

15304

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5170

South Asian (SAS)

AF:

0.00

AC:

AN:

4816

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10606

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68004

Other (OTH)

AF:

0.000946

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000756

Hom.:

Bravo

AF:

0.00161

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

May 24, 2018

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.67

CADD

Benign

(source)

DANN

Benign

0.89

PhyloP100

0.42

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.00018

dbscSNV1_RF

Benign

0.056

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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12-6917572-A-C

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