Genetic Variant ADAP1:p.Arg149Gln (chr7-905115-C-T) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM1PM2

The NM_006869.4(ADAP1):c.446G>A(p.Arg149Gln) variant causes a missense change. The variant allele was found at a frequency of 0.0000378 in 1,612,450 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000035 ( 0 hom. )

Consequence

ADAP1
NM_006869.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.85

Variant links:

Genes affected

ADAP1 (HGNC:16486): (ArfGAP with dual PH domains 1) Enables GTPase activator activity. Involved in regulation of GTPase activity. Located in cytosol; nucleus; and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

ADAP1 links:

COX19 (HGNC:28074): (cytochrome c oxidase assembly factor COX19) COX19 encodes a cytochrome c oxidase (COX)-assembly protein. The S. cerevisiae Cox19 protein may play a role in metal transport to the mitochondrial intermembrane space and assembly of complex IV of the mitochondrial respiratory chain (Sacconi et al., 2005 [PubMed 16212937]).[supplied by OMIM, Mar 2008]

COX19 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM1

In a mutagenesis_site 40-45% reduction in PtdInsP2 3-kinase dependent membrane localization. Almost complete loss of PtdInsP2 3-kinase dependent membrane localization; when associated with C-273. (size 0) in uniprot entity ADAP1_HUMAN

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ADAP1	NM_006869.4 link	c.446G>A	p.Arg149Gln	missense_variant	Exon 5 of 11	ENST00000265846.10	NP_006860.2	O75689-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ADAP1	ENST00000265846.10 link	c.446G>A	p.Arg149Gln	missense_variant	Exon 5 of 11	1	NM_006869.4	ENSP00000265846.5		O75689-1

Frequencies

GnomAD3 genomes

AF:

0.0000657

AC:

AN:

152222

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000654

Gnomad ASJ

AF:

0.00115

Gnomad EAS

AF:

0.000192

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000588

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000561

AC:

AN:

249516

Hom.:

AF XY:

0.0000590

AC XY:

AN XY:

135504

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.000400

Gnomad EAS exome

AF:

0.000109

Gnomad SAS exome

AF:

0.0000327

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000533

Gnomad OTH exome

AF:

0.000164

GnomAD4 exome

AF:

0.0000349

AC:

AN:

1460110

Hom.:

Cov.:

AF XY:

0.0000385

AC XY:

AN XY:

726368

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.000650

Gnomad4 EAS exome

AF:

0.0000756

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.0000193

Gnomad4 NFE exome

AF:

0.0000198

Gnomad4 OTH exome

AF:

0.000116

GnomAD4 genome

AF:

0.0000656

AC:

AN:

152340

Hom.:

Cov.:

AF XY:

0.0000805

AC XY:

AN XY:

74498

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.0000653

Gnomad4 ASJ

AF:

0.00115

Gnomad4 EAS

AF:

0.000193

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000588

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000158

Hom.:

Bravo

AF:

0.0000416

ExAC

AF:

0.0000331

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.0000593

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Aug 10, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.446G>A (p.R149Q) alteration is located in exon 5 (coding exon 5) of the ADAP1 gene. This alteration results from a G to A substitution at nucleotide position 446, causing the arginine (R) at amino acid position 149 to be replaced by a glutamine (Q). 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

Pathogenic

0.99

BayesDel_addAF

Benign

-0.012

BayesDel_noAF

Uncertain

-0.030

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Uncertain

0.55

D;.;.;.;D;.;T

Eigen

Uncertain

0.63

Eigen_PC

Uncertain

0.55

FATHMM_MKL

Uncertain

0.81

LIST_S2

Pathogenic

1.0

D;.;D;D;D;D;D

M_CAP

Benign

0.047

MetaRNN

Uncertain

0.43

T;T;T;T;T;T;T

MetaSVM

Uncertain

-0.26

MutationAssessor

Pathogenic

3.5

.;.;.;.;M;.;.

PrimateAI

Uncertain

0.77

PROVEAN

Uncertain

-3.5

.;D;.;D;D;.;D

REVEL

Uncertain

0.38

Sift

Uncertain

0.0030

.;D;.;D;D;.;D

Sift4G

Uncertain

0.0090

D;D;D;D;D;.;.

Polyphen

1.0

.;.;.;.;D;.;.

Vest4

0.99

MutPred

0.56

.;.;.;.;Loss of MoRF binding (P = 0.0186);Loss of MoRF binding (P = 0.0186);.;

MVP

0.60

MPC

1.1

ClinPred

0.93

GERP RS

4.0

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.90

gMVP

0.79

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