9-83768879-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_025211.4(GKAP1):​c.677G>A​(p.Arg226Gln) variant causes a missense change. The variant allele was found at a frequency of 0.0000242 in 1,612,034 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000026 ( 0 hom. )

Consequence

GKAP1
NM_025211.4 missense

Scores

2
8
9

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.22
Variant links:
Genes affected
GKAP1 (HGNC:17496): (G kinase anchoring protein 1) This gene encodes a protein that is highly similar to the mouse cGMP-dependent protein kinase anchoring protein 42kDa. The mouse protein has been found to localize with the Golgi and recruit cGMP-dependent protein kinase I alpha to the Golgi in mouse testes. It is thought to play a role in germ cell development. Transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
GKAP1NM_025211.4 linkuse as main transcriptc.677G>A p.Arg226Gln missense_variant 8/13 ENST00000376371.7 NP_079487.2 Q5VSY0-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
GKAP1ENST00000376371.7 linkuse as main transcriptc.677G>A p.Arg226Gln missense_variant 8/131 NM_025211.4 ENSP00000365550.2 Q5VSY0-1
GKAP1ENST00000376365.7 linkuse as main transcriptc.585+11503G>A intron_variant 1 ENSP00000365544.3 Q5VSY0-2
GKAP1ENST00000388782.8 linkuse as main transcriptn.*363G>A downstream_gene_variant 2 ENSP00000373434.4 B4DXS0

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152160
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000798
AC:
2
AN:
250630
Hom.:
0
AF XY:
0.0000148
AC XY:
2
AN XY:
135524
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:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000882
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000260
AC:
38
AN:
1459874
Hom.:
0
Cov.:
29
AF XY:
0.0000275
AC XY:
20
AN XY:
726352
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000253
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000297
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152160
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74338
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000565
Hom.:
0
Bravo
AF:
0.0000151
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.00
AC:
0
EpiCase
AF:
0.00
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
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsAug 04, 2024The c.677G>A (p.R226Q) alteration is located in exon 8 (coding exon 6) of the GKAP1 gene. This alteration results from a G to A substitution at nucleotide position 677, causing the arginine (R) at amino acid position 226 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
Benign
0.12
BayesDel_addAF
Uncertain
0.035
T
BayesDel_noAF
Benign
-0.090
CADD
Pathogenic
29
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.074
T
Eigen
Pathogenic
0.70
Eigen_PC
Uncertain
0.65
FATHMM_MKL
Uncertain
0.91
D
LIST_S2
Uncertain
0.93
D
M_CAP
Benign
0.011
T
MetaRNN
Uncertain
0.60
D
MetaSVM
Uncertain
-0.077
T
MutationAssessor
Uncertain
2.3
M
PrimateAI
Uncertain
0.56
T
PROVEAN
Benign
-0.88
N
REVEL
Benign
0.22
Sift
Benign
0.066
T
Sift4G
Benign
0.20
T
Polyphen
1.0
D
Vest4
0.66
MVP
0.48
MPC
0.42
ClinPred
0.93
D
GERP RS
4.7
Varity_R
0.26
gMVP
0.21

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.

Other links and lift over

dbSNP: rs376833201; hg19: chr9-86383794; COSMIC: COSV64488533; COSMIC: COSV64488533; API