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chr9-122957148-G-A

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 1P and 8B. PP2BP4_StrongBS2

The NM_012197.4(RABGAP1):​c.89G>A​(p.Arg30Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000223 in 1,572,760 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000012 ( 0 hom. )

Consequence

RABGAP1
NM_012197.4 missense

Scores

2
1
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.54
Variant links:
Genes affected
RABGAP1 (HGNC:17155): (RAB GTPase activating protein 1) Enables GTPase activator activity and small GTPase binding activity. Involved in regulation of GTPase activity. Located in cytosol. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

PP2
Missense variant where missense usually causes diseases, RABGAP1
BP4
Computational evidence support a benign effect (MetaRNN=0.043867677).
BS2
High AC in GnomAd4 at 18 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RABGAP1NM_012197.4 linkuse as main transcriptc.89G>A p.Arg30Lys missense_variant 2/26 ENST00000373647.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RABGAP1ENST00000373647.9 linkuse as main transcriptc.89G>A p.Arg30Lys missense_variant 2/261 NM_012197.4 P1Q9Y3P9-1

Frequencies

GnomAD3 genomes
AF:
0.000118
AC:
18
AN:
152134
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000435
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:
0.0000485
AC:
12
AN:
247464
Hom.:
0
AF XY:
0.0000297
AC XY:
4
AN XY:
134494
show subpopulations
Gnomad AFR exome
AF:
0.000781
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:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000120
AC:
17
AN:
1420508
Hom.:
0
Cov.:
30
AF XY:
0.00000850
AC XY:
6
AN XY:
705518
show subpopulations
Gnomad4 AFR exome
AF:
0.000482
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:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000172
GnomAD4 genome
AF:
0.000118
AC:
18
AN:
152252
Hom.:
0
Cov.:
32
AF XY:
0.000148
AC XY:
11
AN XY:
74446
show subpopulations
Gnomad4 AFR
AF:
0.000433
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:
0.0000966
Hom.:
0
Bravo
AF:
0.000208
ESP6500AA
AF:
0.00128
AC:
4
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000665
AC:
8

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 GeneticsFeb 06, 2023The c.89G>A (p.R30K) alteration is located in exon 2 (coding exon 1) of the RABGAP1 gene. This alteration results from a G to A substitution at nucleotide position 89, causing the arginine (R) at amino acid position 30 to be replaced by a lysine (K). 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
0.081
BayesDel_addAF
Benign
-0.32
T
BayesDel_noAF
Benign
-0.32
CADD
Pathogenic
26
DANN
Uncertain
0.99
DEOGEN2
Benign
0.023
T;.
Eigen
Benign
-0.085
Eigen_PC
Benign
0.17
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Benign
0.82
T;T
M_CAP
Benign
0.0081
T
MetaRNN
Benign
0.044
T;T
MetaSVM
Benign
-0.98
T
MutationAssessor
Benign
1.2
L;.
MutationTaster
Benign
0.96
D;D
PrimateAI
Pathogenic
0.90
D
PROVEAN
Benign
-0.13
N;N
REVEL
Benign
0.094
Sift
Benign
0.75
T;T
Sift4G
Benign
1.0
T;T
Polyphen
0.0
B;.
Vest4
0.49
MVP
0.27
MPC
0.0074
ClinPred
0.13
T
GERP RS
5.8
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.14
gMVP
0.19

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.12
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: rs192792836; hg19: chr9-125719427; API