10-62813710-AGGCGGCGGC-AGGCGGCGGCGGC

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 1P and 5B. PM4_SupportingBP6BS1

The NM_000399.5(EGR2):c.925_927dupGCC(p.Ala309dup) variant causes a conservative inframe insertion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000118 in 1,611,986 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00014 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00012 ( 0 hom. )

Consequence

EGR2
NM_000399.5 conservative_inframe_insertion

Scores

Not classified

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:4B:2

Conservation

PhyloP100: -0.267

Publications

0 publications found

Variant links:

Genes affected

EGR2 (HGNC:3239): (early growth response 2) The protein encoded by this gene is a transcription factor with three tandem C2H2-type zinc fingers. Defects in this gene are associated with Charcot-Marie-Tooth disease type 1D (CMT1D), Charcot-Marie-Tooth disease type 4E (CMT4E), and with Dejerine-Sottas syndrome (DSS). Multiple transcript variants encoding two different isoforms have been found for this gene. [provided by RefSeq, Oct 2008]

EGR2 Gene-Disease associations (from GenCC):

Charcot-Marie-Tooth disease type 4E
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE, LIMITED Submitted by: Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae), G2P
Charcot-Marie-Tooth disease
Inheritance: SD Classification: DEFINITIVE Submitted by: ClinGen
Charcot-Marie-Tooth disease type 1D
Inheritance: AD Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Ambry Genetics, Labcorp Genetics (formerly Invitae)
Charcot-Marie-Tooth disease type 3
Inheritance: SD, AD Classification: MODERATE, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet

EGR2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM4

Nonframeshift variant in NON repetitive region in NM_000399.5. Strenght limited to Supporting due to length of the change: 1aa.

BP6

Variant 10-62813710-A-AGGC is Benign according to our data. Variant chr10-62813710-A-AGGC is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 418176.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000145 (22/152174) while in subpopulation AFR AF = 0.000265 (11/41526). AF 95% confidence interval is 0.000148. There are 0 homozygotes in GnomAd4. There are 9 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000399.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
EGR2	NM_000399.5	MANE Select	c.925_927dupGCC	p.Ala309dup	conservative_inframe_insertion	Exon 2 of 2	NP_000390.2
EGR2	NM_001410931.1		c.964_966dupGCC	p.Ala322dup	conservative_inframe_insertion	Exon 3 of 3	NP_001397860.1
EGR2	NM_001136177.3		c.925_927dupGCC	p.Ala309dup	conservative_inframe_insertion	Exon 3 of 3	NP_001129649.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
EGR2	ENST00000242480.4	TSL:1 MANE Select	c.925_927dupGCC	p.Ala309dup	conservative_inframe_insertion	Exon 2 of 2	ENSP00000242480.3
EGR2	ENST00000439032.6	TSL:1	n.940_942dupGCC		non_coding_transcript_exon	Exon 2 of 2	ENSP00000509775.1
EGR2	ENST00000439032.6	TSL:1	n.940_942dupGCC		3_prime_UTR	Exon 2 of 2	ENSP00000509775.1

Frequencies

GnomAD3 genomes

AF:

0.000145

AC:

AN:

152056

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000266

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000194

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000118

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000176

AC:

AN:

243670

AF XY:

0.000188

show subpopulations

Gnomad AFR exome

AF:

0.000344

Gnomad AMR exome

AF:

0.000116

Gnomad ASJ exome

AF:

0.000202

Gnomad EAS exome

AF:

0.000331

Gnomad FIN exome

AF:

0.0000496

Gnomad NFE exome

AF:

0.000163

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000115

AC:

168

AN:

1459812

Hom.:

Cov.:

AF XY:

0.000109

AC XY:

AN XY:

726102

show subpopulations

African (AFR)

AF:

0.000269

AC:

AN:

33472

American (AMR)

AF:

0.000134

AC:

AN:

44694

Ashkenazi Jewish (ASJ)

AF:

0.0000766

AC:

AN:

26104

East Asian (EAS)

AF:

0.000101

AC:

AN:

39682

South Asian (SAS)

AF:

0.000174

AC:

AN:

86238

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52136

Middle Eastern (MID)

AF:

0.000174

AC:

AN:

5752

European-Non Finnish (NFE)

AF:

0.000109

AC:

121

AN:

1111448

Other (OTH)

AF:

0.000166

AC:

AN:

60286

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.460

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

AF:

0.000145

AC:

AN:

152174

Hom.:

Cov.:

AF XY:

0.000121

AC XY:

AN XY:

74382

show subpopulations

African (AFR)

AF:

0.000265

AC:

AN:

41526

American (AMR)

AF:

0.000131

AC:

AN:

15292

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000194

AC:

AN:

5152

South Asian (SAS)

AF:

0.00

AC:

AN:

4820

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10602

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000118

AC:

AN:

67992

Other (OTH)

AF:

0.00

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

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:

0.0000727

Hom.:

ClinVar

ClinVar submissions as Germline

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (3)

Charcot-Marie-Tooth disease, type I (1)

Inborn genetic diseases (1)

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

PhyloP100

-0.27

Mutation Taster

=73/27

polymorphism

(source)

Splicing

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