chr20-38517596-C-A

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 1P and 5B. PP2BP4BS2

The NM_020336.4(RALGAPB):​c.1142C>A​(p.Pro381Gln) variant causes a missense change. The variant allele was found at a frequency of 0.0000174 in 1,613,830 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000018 ( 0 hom. )

Consequence

RALGAPB
NM_020336.4 missense

Scores

2
9
8

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.83
Variant links:
Genes affected
RALGAPB (HGNC:29221): (Ral GTPase activating protein non-catalytic subunit beta) Enables protein heterodimerization activity. Predicted to be involved in activation of GTPase activity. Predicted to act upstream of or within Ral protein signal transduction; regulation of exocyst localization; and regulation of protein localization. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), RALGAPB. . Gene score misZ 3.1771 (greater than the threshold 3.09). Trascript score misZ 4.2843 (greater than threshold 3.09). GenCC has associacion of gene with complex neurodevelopmental disorder.
BP4
Computational evidence support a benign effect (MetaRNN=0.3661406).
BS2
High AC in GnomAdExome4 at 27 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RALGAPBNM_020336.4 linkuse as main transcriptc.1142C>A p.Pro381Gln missense_variant 8/30 ENST00000262879.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RALGAPBENST00000262879.11 linkuse as main transcriptc.1142C>A p.Pro381Gln missense_variant 8/301 NM_020336.4 P4Q86X10-1

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
151990
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000239
AC:
6
AN:
251434
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135894
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000163
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000264
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000185
AC:
27
AN:
1461840
Hom.:
0
Cov.:
33
AF XY:
0.0000234
AC XY:
17
AN XY:
727222
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000225
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
151990
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74220
show subpopulations
Gnomad4 AFR
AF:
0.00
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:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000151
ExAC
AF:
0.0000247
AC:
3
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.88
BayesDel_addAF
Benign
-0.062
T
BayesDel_noAF
Uncertain
-0.060
CADD
Uncertain
25
DANN
Uncertain
0.99
DEOGEN2
Benign
0.26
.;T;T;T
Eigen
Uncertain
0.57
Eigen_PC
Uncertain
0.61
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.94
D;.;D;D
M_CAP
Benign
0.012
T
MetaRNN
Benign
0.37
T;T;T;T
MetaSVM
Benign
-0.57
T
MutationAssessor
Benign
1.8
L;L;L;.
MutationTaster
Benign
1.0
D;D;D;D;D
PrimateAI
Uncertain
0.69
T
PROVEAN
Uncertain
-3.5
D;D;D;D
REVEL
Benign
0.20
Sift
Uncertain
0.0040
D;D;D;D
Sift4G
Uncertain
0.0060
D;D;D;D
Polyphen
0.93
.;P;P;P
Vest4
0.77
MutPred
0.31
Loss of glycosylation at P381 (P = 0.0126);Loss of glycosylation at P381 (P = 0.0126);Loss of glycosylation at P381 (P = 0.0126);.;
MVP
0.13
MPC
1.1
ClinPred
0.64
D
GERP RS
5.1
Varity_R
0.45
gMVP
0.47

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: rs746809837; hg19: chr20-37146239; COSMIC: COSV53444662; COSMIC: COSV53444662; API