Genetic Variant NM_005751.5:c.9929G>A (chr7-92096888-G-A) – ACMG Classification: Benign (-20 pts)

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_005751.5(AKAP9):c.9929G>A(p.Arg3310Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00118 in 1,614,124 control chromosomes in the GnomAD database, including 22 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R3310W) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0067 ( 10 hom., cov: 32)

Exomes 𝑓: 0.00060 ( 12 hom. )

Consequence

AKAP9
NM_005751.5 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:9

Conservation

PhyloP100: -1.27

Publications

10 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 links:

CYP51A1 (HGNC:2649): (cytochrome P450 family 51 subfamily A member 1) This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This endoplasmic reticulum protein participates in the synthesis of cholesterol by catalyzing the removal of the 14alpha-methyl group from lanosterol. Homologous genes are found in all three eukaryotic phyla, fungi, plants, and animals, suggesting that this is one of the oldest cytochrome P450 genes. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2009]

CYP51A1 Gene-Disease associations (from GenCC):

cataract
Inheritance: AR Classification: DEFINITIVE Submitted by: G2P

CYP51A1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0039981604).

BP6

Variant 7-92096888-G-A is Benign according to our data. Variant chr7-92096888-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 191524.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00674 (1026/152242) while in subpopulation AFR AF = 0.0235 (975/41544). AF 95% confidence interval is 0.0222. There are 10 homozygotes in GnomAd4. There are 448 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 10 AD,AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005751.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
AKAP9	NM_005751.5	MANE Select	c.9929G>A	p.Arg3310Gln	missense	Exon 41 of 50	NP_005742.4
AKAP9	NM_147185.3		c.9905G>A	p.Arg3302Gln	missense	Exon 41 of 50	NP_671714.1	Q99996-3
AKAP9	NM_001379277.1		c.4574G>A	p.Arg1525Gln	missense	Exon 20 of 29	NP_001366206.1	A0A2R8Y590

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
AKAP9	ENST00000356239.8	TSL:1 MANE Select	c.9929G>A	p.Arg3310Gln	missense	Exon 41 of 50	ENSP00000348573.3	Q99996-2
AKAP9	ENST00000491695.2	TSL:1	c.4574G>A	p.Arg1525Gln	missense	Exon 20 of 29	ENSP00000494626.2	A0A2R8Y590
AKAP9	ENST00000394534.7	TSL:1	c.3390+32G>A		intron	N/A	ENSP00000378042.3	H7BYL6

Frequencies

GnomAD3 genomes

AF:

0.00673

AC:

1024

AN:

152124

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0235

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00203

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000103

Gnomad OTH

AF:

0.00575

GnomAD2 exomes

AF:

0.00163

AC:

409

AN:

251304

AF XY:

0.00106

show subpopulations

Gnomad AFR exome

AF:

0.0223

Gnomad AMR exome

AF:

0.000983

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000528

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000603

AC:

882

AN:

1461882

Hom.:

Cov.:

AF XY:

0.000520

AC XY:

378

AN XY:

727244

show subpopulations

African (AFR)

AF:

0.0210

AC:

704

AN:

33480

American (AMR)

AF:

0.000939

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.000174

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.0000187

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.000520

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000324

AC:

AN:

1112012

Other (OTH)

AF:

0.00134

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.476

Heterozygous variant carriers

109

164

218

273

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

110

<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

AF:

0.00674

AC:

1026

AN:

152242

Hom.:

Cov.:

AF XY:

0.00602

AC XY:

448

AN XY:

74440

show subpopulations

African (AFR)

AF:

0.0235

AC:

975

AN:

41544

American (AMR)

AF:

0.00203

AC:

AN:

15292

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5180

South Asian (SAS)

AF:

0.000208

AC:

AN:

4818

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10602

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000103

AC:

AN:

68022

Other (OTH)

AF:

0.00569

AC:

AN:

2108

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.506

Heterozygous variant carriers

104

155

207

259

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

100

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00254

Hom.:

Bravo

AF:

0.00735

ESP6500AA

AF:

0.0213

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.00199

AC:

242

Asia WGS

AF:

0.000866

AC:

AN:

3478

EpiCase

AF:

0.000109

EpiControl

AF:

0.0000593

ClinVar

ClinVar submissions

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (3)

Long QT syndrome 11 (2)

Cardiovascular phenotype (1)

Congenital long QT syndrome (1)

Long QT syndrome (1)

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.061

BayesDel_addAF

Benign

-0.78

BayesDel_noAF

Benign

-0.87

CADD

Benign

0.59

(source)

DANN

Benign

0.95

DEOGEN2

Benign

0.23

Eigen

Benign

-0.92

Eigen_PC

Benign

-0.83

FATHMM_MKL

Benign

0.031

LIST_S2

Benign

0.66

MetaRNN

Benign

0.0040

MetaSVM

Benign

-0.91

PhyloP100

-1.3

PrimateAI

Benign

0.21

PROVEAN

Benign

0.68

REVEL

Benign

0.10

Sift

Benign

0.39

Sift4G

Benign

0.59

Vest4

0.087

MVP

0.11

MPC

0.060

ClinPred

0.012

GERP RS

-3.4

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.015

gMVP

0.018

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over