Genetic Variant ADCY2:p.Arg238Cys (chr5-7626308-C-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_020546.3(ADCY2):c.712C>T(p.Arg238Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000123 in 1,461,424 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000012 ( 0 hom. )

Consequence

ADCY2
NM_020546.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.77

Variant links:

Genes affected

ADCY2 (HGNC:233): (adenylate cyclase 2) This gene encodes a member of the family of adenylate cyclases, which are membrane-associated enzymes that catalyze the formation of the secondary messenger cyclic adenosine monophosphate (cAMP). This enzyme is insensitive to Ca(2+)/calmodulin, and is stimulated by the G protein beta and gamma subunit complex. [provided by RefSeq, Jul 2008]

ADCY2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2

High AC in GnomAdExome4 at 18 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ADCY2	NM_020546.3 link	c.712C>T	p.Arg238Cys	missense_variant	Exon 4 of 25	ENST00000338316.9	NP_065433.2	Q08462-1Q71UM8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ADCY2	ENST00000338316.9 link	c.712C>T	p.Arg238Cys	missense_variant	Exon 4 of 25	1	NM_020546.3	ENSP00000342952.4	Q08462-1
ADCY2	ENST00000515681.1 link	c.79C>T	p.Arg27Cys	missense_variant	Exon 2 of 4	4		ENSP00000425069.1	D6REB8
ADCY2	ENST00000498598.1 link	n.411C>T		non_coding_transcript_exon_variant	Exon 3 of 4	5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.0000160

AC:

AN:

250700

Hom.:

AF XY:

0.0000221

AC XY:

AN XY:

135472

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000463

Gnomad NFE exome

AF:

0.0000265

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000123

AC:

AN:

1461424

Hom.:

Cov.:

AF XY:

0.0000151

AC XY:

AN XY:

726996

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.0000562

Gnomad4 NFE exome

AF:

0.0000126

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000468

Hom.:

ExAC

AF:

0.0000165

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jul 17, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.712C>T (p.R238C) alteration is located in exon 4 (coding exon 4) of the ADCY2 gene. This alteration results from a C to T substitution at nucleotide position 712, causing the arginine (R) at amino acid position 238 to be replaced by a cysteine (C). 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

0.27

BayesDel_addAF

Uncertain

0.032

BayesDel_noAF

Benign

-0.13

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Uncertain

0.51

D;.

Eigen

Uncertain

0.59

Eigen_PC

Uncertain

0.58

FATHMM_MKL

Uncertain

0.84

LIST_S2

Pathogenic

0.99

D;D

M_CAP

Uncertain

0.12

MetaRNN

Uncertain

0.51

D;D

MetaSVM

Uncertain

0.053

MutationAssessor

Benign

1.8

L;.

PrimateAI

Pathogenic

0.88

PROVEAN

Pathogenic

-5.1

D;D

REVEL

Uncertain

0.47

Sift

Uncertain

0.0010

D;D

Sift4G

Uncertain

0.0070

D;D

Polyphen

1.0

D;.

Vest4

0.52

MutPred

0.47

Loss of disorder (P = 0.0278);.;

MVP

0.64

MPC

1.1

ClinPred

0.93

GERP RS

5.1

Varity_R

0.69

gMVP

0.83

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over