rs771005046

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_003161.4(RPS6KB1):​c.142G>A​(p.Gly48Ser) variant causes a missense, splice region change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000704 in 1,421,094 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 2/3 splice prediction tools predicting alterations to normal splicing. 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. G48C) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 7.0e-7 ( 0 hom. )

Consequence

RPS6KB1
NM_003161.4 missense, splice_region

Scores

1
4
13
Splicing: ADA: 0.9993
2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.58

Publications

0 publications found
Variant links:
Genes affected
RPS6KB1 (HGNC:10436): (ribosomal protein S6 kinase B1) This gene encodes a member of the ribosomal S6 kinase family of serine/threonine kinases. The encoded protein responds to mTOR (mammalian target of rapamycin) signaling to promote protein synthesis, cell growth, and cell proliferation. Activity of this gene has been associated with human cancer. Alternatively spliced transcript variants have been observed. The use of alternative translation start sites results in isoforms with longer or shorter N-termini which may differ in their subcellular localizations. There are two pseudogenes for this gene on chromosome 17. [provided by RefSeq, Jan 2013]
RPS6KB1 Gene-Disease associations (from GenCC):
  • hypertrophic cardiomyopathy
    Inheritance: AD Classification: MODERATE, LIMITED Submitted by: ClinGen, PanelApp Australia

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
Splicing predictors support a deleterious effect. Scorers claiming Pathogenic: dbscSNV1_ADA, dbscSNV1_RF. No scorers claiming Uncertain. Scorers claiming Benign: max_spliceai.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_003161.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
RPS6KB1
NM_003161.4
MANE Select
c.142G>Ap.Gly48Ser
missense splice_region
Exon 2 of 15NP_003152.1P23443-1
RPS6KB1
NM_001272042.2
c.142G>Ap.Gly48Ser
missense splice_region
Exon 2 of 14NP_001258971.1P23443-5
RPS6KB1
NM_001272060.2
c.73G>Ap.Gly25Ser
missense splice_region
Exon 2 of 15NP_001258989.1P23443-2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
RPS6KB1
ENST00000225577.9
TSL:1 MANE Select
c.142G>Ap.Gly48Ser
missense splice_region
Exon 2 of 15ENSP00000225577.4P23443-1
RPS6KB1
ENST00000406116.7
TSL:1
c.142G>Ap.Gly48Ser
missense splice_region
Exon 2 of 15ENSP00000384335.3P23443-4
RPS6KB1
ENST00000880476.1
c.142G>Ap.Gly48Ser
missense splice_region
Exon 2 of 15ENSP00000550535.1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
7.04e-7
AC:
1
AN:
1421094
Hom.:
0
Cov.:
24
AF XY:
0.00000141
AC XY:
1
AN XY:
708246
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.00
AC:
0
AN:
32314
American (AMR)
AF:
0.00
AC:
0
AN:
41640
Ashkenazi Jewish (ASJ)
AF:
0.0000388
AC:
1
AN:
25760
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39020
South Asian (SAS)
AF:
0.00
AC:
0
AN:
81370
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52868
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5684
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1083440
Other (OTH)
AF:
0.00
AC:
0
AN:
58998
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.275
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.065
BayesDel_addAF
Uncertain
0.041
T
BayesDel_noAF
Benign
-0.18
CADD
Uncertain
24
DANN
Uncertain
0.99
DEOGEN2
Benign
0.25
T
Eigen
Benign
0.10
Eigen_PC
Uncertain
0.30
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Benign
0.75
T
M_CAP
Benign
0.042
D
MetaRNN
Benign
0.24
T
MetaSVM
Benign
-0.81
T
MutationAssessor
Benign
0.90
L
PhyloP100
7.6
PrimateAI
Uncertain
0.68
T
PROVEAN
Benign
0.34
N
REVEL
Benign
0.22
Sift
Benign
0.23
T
Sift4G
Benign
0.80
T
Polyphen
0.0030
B
Vest4
0.29
MutPred
0.17
Gain of phosphorylation at G48 (P = 0.0113)
MVP
0.73
MPC
0.27
ClinPred
0.74
D
GERP RS
5.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.15
gMVP
0.62

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
1.0
dbscSNV1_RF
Pathogenic
0.90
SpliceAI score (max)
0.080
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs771005046; hg19: chr17-57987923; COSMIC: COSV56677712; COSMIC: COSV56677712; API