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GeneBe

1-229635014-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_014777.4(URB2):​c.401C>T​(p.Ala134Val) variant causes a missense change. The variant allele was found at a frequency of 0.00000657 in 152,214 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 0.0000066 ( 0 hom., cov: 33)

Consequence

URB2
NM_014777.4 missense

Scores

5
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.17
Variant links:
Genes affected
URB2 (HGNC:28967): (URB2 ribosome biogenesis homolog) Predicted to be involved in ribosome biogenesis. Located in aggresome; midbody; and nucleolus. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.1794241).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
URB2NM_014777.4 linkuse as main transcriptc.401C>T p.Ala134Val missense_variant 4/10 ENST00000258243.7
URB2NM_001314021.2 linkuse as main transcriptc.401C>T p.Ala134Val missense_variant 4/10
URB2XM_005273360.3 linkuse as main transcriptc.401C>T p.Ala134Val missense_variant 4/9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
URB2ENST00000258243.7 linkuse as main transcriptc.401C>T p.Ala134Val missense_variant 4/101 NM_014777.4 P1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152214
Hom.:
0
Cov.:
33
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:
0.00000398
AC:
1
AN:
251158
Hom.:
0
AF XY:
0.00000737
AC XY:
1
AN XY:
135758
show subpopulations
Gnomad AFR exome
AF:
0.0000615
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
Cov.:
31
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152214
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74368
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:
0.00000378
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.00000824
AC:
1

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 23, 2023The c.401C>T (p.A134V) alteration is located in exon 4 (coding exon 3) of the URB2 gene. This alteration results from a C to T substitution at nucleotide position 401, causing the alanine (A) at amino acid position 134 to be replaced by a valine (V). 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
Benign
-0.12
T
BayesDel_noAF
Benign
-0.41
CADD
Benign
20
DANN
Uncertain
1.0
DEOGEN2
Benign
0.033
T
Eigen
Uncertain
0.39
Eigen_PC
Uncertain
0.45
FATHMM_MKL
Uncertain
0.90
D
LIST_S2
Benign
0.81
T
M_CAP
Benign
0.013
T
MetaRNN
Benign
0.18
T
MetaSVM
Benign
-1.2
T
MutationAssessor
Benign
1.3
L
MutationTaster
Benign
0.99
D
PrimateAI
Benign
0.42
T
PROVEAN
Benign
-0.97
N
REVEL
Benign
0.091
Sift
Benign
0.30
T
Sift4G
Uncertain
0.052
T
Polyphen
0.89
P
Vest4
0.21
MVP
0.29
MPC
0.15
ClinPred
0.28
T
GERP RS
5.7
Varity_R
0.061
gMVP
0.13

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs369601457; hg19: chr1-229770761; COSMIC: COSV50987991; API