19-49009809-A-G
Variant names:
Variant summary
Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2
The NM_006666.3(RUVBL2):c.496A>G(p.Thr166Ala) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,798 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: not found (cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )
Consequence
RUVBL2
NM_006666.3 missense
NM_006666.3 missense
Scores
2
7
7
Clinical Significance
Conservation
PhyloP100: 5.33
Publications
0 publications found
Genes affected
RUVBL2 (HGNC:10475): (RuvB like AAA ATPase 2) This gene encodes the second human homologue of the bacterial RuvB gene. Bacterial RuvB protein is a DNA helicase essential for homologous recombination and DNA double-strand break repair. Functional analysis showed that this gene product has both ATPase and DNA helicase activities. This gene is physically linked to the CGB/LHB gene cluster on chromosome 19q13.3, and is very close (55 nt) to the LHB gene, in the opposite orientation. [provided by RefSeq, Jul 2008]
MIR6798 (HGNC:50013): (microRNA 6798) microRNAs (miRNAs) are short (20-24 nt) non-coding RNAs that are involved in post-transcriptional regulation of gene expression in multicellular organisms by affecting both the stability and translation of mRNAs. miRNAs are transcribed by RNA polymerase II as part of capped and polyadenylated primary transcripts (pri-miRNAs) that can be either protein-coding or non-coding. The primary transcript is cleaved by the Drosha ribonuclease III enzyme to produce an approximately 70-nt stem-loop precursor miRNA (pre-miRNA), which is further cleaved by the cytoplasmic Dicer ribonuclease to generate the mature miRNA and antisense miRNA star (miRNA*) products. The mature miRNA is incorporated into a RNA-induced silencing complex (RISC), which recognizes target mRNAs through imperfect base pairing with the miRNA and most commonly results in translational inhibition or destabilization of the target mRNA. The RefSeq represents the predicted microRNA stem-loop. [provided by RefSeq, Sep 2009]
Genome browser will be placed here
ACMG classification
Classification was made for transcript
Our verdict: Uncertain_significance. The variant received 2 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes
GnomAD3 genomes
Cov.:
32
GnomAD2 exomes AF: 0.00000401 AC: 1AN: 249428 AF XY: 0.00000739 show subpopulations
GnomAD2 exomes
AF:
AC:
1
AN:
249428
AF XY:
Gnomad AFR exome
AF:
Gnomad AMR exome
AF:
Gnomad ASJ exome
AF:
Gnomad EAS exome
AF:
Gnomad FIN exome
AF:
Gnomad NFE exome
AF:
Gnomad OTH exome
AF:
GnomAD4 exome AF: 6.84e-7 AC: 1AN: 1461798Hom.: 0 Cov.: 32 AF XY: 0.00000138 AC XY: 1AN XY: 727206 show subpopulations ⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
GnomAD4 exome
AF:
AC:
1
AN:
1461798
Hom.:
Cov.:
32
AF XY:
AC XY:
1
AN XY:
727206
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
AC:
0
AN:
33480
American (AMR)
AF:
AC:
0
AN:
44712
Ashkenazi Jewish (ASJ)
AF:
AC:
0
AN:
26126
East Asian (EAS)
AF:
AC:
0
AN:
39700
South Asian (SAS)
AF:
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
AC:
0
AN:
53386
Middle Eastern (MID)
AF:
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
AC:
0
AN:
1111980
Other (OTH)
AF:
AC:
1
AN:
60390
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.375
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
GnomAD4 genome
Cov.:
32
Alfa
AF:
Hom.:
ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not specified Uncertain:1
Aug 19, 2024
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing
The c.496A>G (p.T166A) alteration is located in exon 7 (coding exon 7) of the RUVBL2 gene. This alteration results from a A to G substitution at nucleotide position 496, causing the threonine (T) at amino acid position 166 to be replaced by an alanine (A). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
DANN
Uncertain
DEOGEN2
Uncertain
D;T;T
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Pathogenic
D
LIST_S2
Uncertain
D;.;D
M_CAP
Benign
D
MetaRNN
Uncertain
D;D;D
MetaSVM
Benign
T
MutationAssessor
Benign
L;.;.
PhyloP100
PrimateAI
Uncertain
T
Sift4G
Benign
T;T;T
Polyphen
D;.;.
Vest4
MutPred
Loss of disorder (P = 0.0948);.;.;
MVP
MPC
ClinPred
D
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at
Publications
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