Genetic Variant ADAM2:p.Tyr721Ser (chr8-39746484-T-G) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_001464.5(ADAM2):c.2162A>C(p.Tyr721Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000702 in 1,425,298 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Y721C) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 7.0e-7 ( 0 hom. )

Consequence

ADAM2
NM_001464.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.46

Publications

0 publications found

Variant links:

Genes affected

ADAM2 (HGNC:198): (ADAM metallopeptidase domain 2) This gene encodes a member of the ADAM (a disintegrin and metalloprotease domain) family. Members of this family are membrane-anchored proteins structurally related to snake venom disintegrins, and have been implicated in a variety of biological processes involving cell-cell and cell-matrix interactions, including fertilization, muscle development, and neurogenesis. The encoded protein is a subunit of an integral sperm membrane glycoprotein called fertilin, which plays an important role in sperm-egg interactions. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, May 2013]

ADAM2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.34516782).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ADAM2	NM_001464.5 link	c.2162A>C	p.Tyr721Ser	missense_variant	Exon 19 of 21	ENST00000265708.9	NP_001455.3	Q99965-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ADAM2	ENST00000265708.9 link	c.2162A>C	p.Tyr721Ser	missense_variant	Exon 19 of 21	1	NM_001464.5	ENSP00000265708.4	Q99965-1
ADAM2	ENST00000347580.8 link	c.2105A>C	p.Tyr702Ser	missense_variant	Exon 18 of 20	1		ENSP00000343854.4	Q99965-2
ADAM2	ENST00000379853.6 link	c.1694A>C	p.Tyr565Ser	missense_variant	Exon 15 of 17	1		ENSP00000369182.2	Q6P2G0
ADAM2	ENST00000521880.5 link	c.1973A>C	p.Tyr658Ser	missense_variant	Exon 18 of 20	2		ENSP00000429352.1	B4DWY7

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

7.02e-7

AC:

AN:

1425298

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

709150

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31040

American (AMR)

AF:

0.00

AC:

AN:

36366

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25004

East Asian (EAS)

AF:

0.00

AC:

AN:

38542

South Asian (SAS)

AF:

0.00

AC:

AN:

79442

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52772

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5422

European-Non Finnish (NFE)

AF:

9.11e-7

AC:

AN:

1097846

Other (OTH)

AF:

0.00

AC:

AN:

58864

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.079

BayesDel_addAF

Benign

-0.17

BayesDel_noAF

Benign

-0.48

CADD

Benign

(source)

DANN

Benign

0.75

DEOGEN2

Benign

0.042

.;.;T;T;T

Eigen

Benign

-0.14

Eigen_PC

Benign

-0.26

FATHMM_MKL

Benign

0.37

LIST_S2

Benign

0.77

T;T;T;T;.

M_CAP

Benign

0.0027

MetaRNN

Benign

0.35

T;T;T;T;T

MetaSVM

Benign

-0.96

MutationAssessor

Benign

1.6

.;.;L;.;.

PhyloP100

1.5

PrimateAI

Uncertain

0.57

PROVEAN

Benign

-2.1

N;N;N;.;N

REVEL

Benign

0.072

Sift

Benign

0.073

T;T;T;.;T

Sift4G

Benign

0.31

T;T;T;T;T

Polyphen

0.94

P;P;P;P;P

Vest4

0.51

MutPred

0.24

.;.;Gain of disorder (P = 0.0283);.;.;

MVP

0.39

MPC

0.028

ClinPred

0.24

GERP RS

2.6

Varity_R

0.15

gMVP

0.33

Mutation Taster

=92/8

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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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chr8-39746484-T-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over