Genetic Variant AKAP9:p.Pro2581Ala (chr7-92079874-C-G) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_005751.5(AKAP9):c.7741C>G(p.Pro2581Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,754 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 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. P2581S) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

AKAP9
NM_005751.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.0600

Publications

0 publications found

Variant links:

Genes affected

AKAP9 (HGNC:379): (A-kinase anchoring protein 9) The A-kinase anchor proteins (AKAPs) are a group of structurally diverse proteins which have the common function of binding to the regulatory subunit of protein kinase A (PKA) and confining the holoenzyme to discrete locations within the cell. This gene encodes a member of the AKAP family. Alternate splicing of this gene results in at least two isoforms that localize to the centrosome and the Golgi apparatus, and interact with numerous signaling proteins from multiple signal transduction pathways. These signaling proteins include type II protein kinase A, serine/threonine kinase protein kinase N, protein phosphatase 1, protein phosphatase 2a, protein kinase C-epsilon and phosphodiesterase 4D3. [provided by RefSeq, Aug 2008]

AKAP9 Gene-Disease associations (from GenCC):

male infertility with azoospermia or oligozoospermia due to single gene mutation
Inheritance: AR Classification: MODERATE Submitted by: King Faisal Specialist Hospital and Research Center
long QT syndrome 11
Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics
long QT syndrome
Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

AKAP9 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.057323188).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
AKAP9	NM_005751.5 link	c.7741C>G	p.Pro2581Ala	missense_variant	Exon 31 of 50	ENST00000356239.8	NP_005742.4	Q99996-2Q6PJH3Q5GIA7
AKAP9	NM_147185.3 link	c.7717C>G	p.Pro2573Ala	missense_variant	Exon 31 of 50		NP_671714.1	Q99996-3Q6PJH3Q5GIA7
AKAP9	NM_001379277.1 link	c.2386C>G	p.Pro796Ala	missense_variant	Exon 10 of 29		NP_001366206.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
AKAP9	ENST00000356239.8 link	c.7741C>G	p.Pro2581Ala	missense_variant	Exon 31 of 50	1	NM_005751.5	ENSP00000348573.3		Q99996-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1461754

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727168

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33472

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39660

South Asian (SAS)

AF:

0.00

AC:

AN:

86248

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00000180

AC:

AN:

1111956

Other (OTH)

AF:

0.00

AC:

AN:

60390

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.073

BayesDel_addAF

Benign

-0.27

BayesDel_noAF

Benign

-0.62

CADD

Benign

0.67

(source)

DANN

Benign

0.18

DEOGEN2

Benign

0.30

.;T;T;.

Eigen

Benign

-0.95

Eigen_PC

Benign

-0.99

FATHMM_MKL

Benign

0.072

LIST_S2

Benign

0.79

T;T;T;T

M_CAP

Benign

0.0079

MetaRNN

Benign

0.057

T;T;T;T

MetaSVM

Benign

-0.90

PhyloP100

-0.060

PrimateAI

Benign

0.23

PROVEAN

Benign

-1.3

N;.;.;N

REVEL

Benign

0.052

Sift

Benign

0.26

T;.;.;T

Sift4G

Benign

0.80

.;T;.;T

Vest4

0.16

MVP

0.14

MPC

0.053

ClinPred

0.050

GERP RS

2.4

Varity_R

0.020

gMVP

0.056

Mutation Taster

=96/4

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

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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