3-55888428-A-C

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM2BP4_ModerateBS2

The NM_015576.3(ERC2):c.2525T>G(p.Ile842Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,461,634 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. I842T) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

ERC2
NM_015576.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.28

Publications

1 publications found

Variant links:

Genes affected

ERC2 (HGNC:31922): (ELKS/RAB6-interacting/CAST family member 2) This gene encodes a protein that belongs to the Rab3-interacting molecule (RIM)-binding protein family. Members of this protein family form part of the cytomatrix at the active zone (CAZ) complex and function as regulators of neurotransmitter release. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2015]

ERC2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.22462931).

BS2

High AC in GnomAdExome4 at 5 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ERC2	NM_015576.3 link	c.2525T>G	p.Ile842Ser	missense_variant	Exon 14 of 18	ENST00000288221.11	NP_056391.1	O15083

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ERC2	ENST00000288221.11 link	c.2525T>G	p.Ile842Ser	missense_variant	Exon 14 of 18	1	NM_015576.3	ENSP00000288221.6	O15083
ERC2	ENST00000460849.5 link	n.2525T>G		non_coding_transcript_exon_variant	Exon 14 of 19	1		ENSP00000417445.1	O15083
ERC2	ENST00000492584.3 link	c.2549T>G	p.Ile850Ser	missense_variant	Exon 14 of 18	5		ENSP00000417280.3	H7C4G9

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000401

AC:

AN:

249134

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000290

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:

0.00

GnomAD4 exome

AF:

0.00000342

AC:

AN:

1461634

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727096

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33474

American (AMR)

AF:

0.0000224

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.0000504

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53400

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111822

Other (OTH)

AF:

0.0000331

AC:

AN:

60370

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.545

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Nov 09, 2021

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.2525T>G (p.I842S) alteration is located in exon 14 (coding exon 13) of the ERC2 gene. This alteration results from a T to G substitution at nucleotide position 2525, causing the isoleucine (I) at amino acid position 842 to be replaced by a serine (S). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.093

BayesDel_addAF

Uncertain

0.029

BayesDel_noAF

Benign

-0.11

CADD

Benign

(source)

DANN

Benign

0.96

DEOGEN2

Benign

0.027

T;T

Eigen

Benign

-0.22

Eigen_PC

Benign

-0.14

FATHMM_MKL

Benign

0.69

LIST_S2

Uncertain

0.93

.;D

M_CAP

Benign

0.0072

MetaRNN

Benign

0.22

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.0

N;N

PhyloP100

3.3

PrimateAI

Benign

0.44

PROVEAN

Benign

1.3

N;.

REVEL

Benign

0.23

Sift

Benign

0.18

T;.

Sift4G

Benign

0.60

T;T

Polyphen

0.0010

B;B

Vest4

0.52

MutPred

0.40

Gain of phosphorylation at I842 (P = 0.0126);Gain of phosphorylation at I842 (P = 0.0126);

MVP

0.97

MPC

0.51

ClinPred

0.11

GERP RS

4.6

Varity_R

0.13

gMVP

0.33

Mutation Taster

=93/7

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

3-55888428-A-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over