1-229634980-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_014777.4(URB2):​c.367C>T​(p.Leu123Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000376 in 1,596,396 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000035 ( 0 hom. )

Consequence

URB2
NM_014777.4 missense

Scores

2
4
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.96
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 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.82

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
URB2NM_014777.4 linkuse as main transcriptc.367C>T p.Leu123Phe missense_variant 4/10 ENST00000258243.7 NP_055592.2
URB2NM_001314021.2 linkuse as main transcriptc.367C>T p.Leu123Phe missense_variant 4/10 NP_001300950.1
URB2XM_005273360.3 linkuse as main transcriptc.367C>T p.Leu123Phe missense_variant 4/9 XP_005273417.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
URB2ENST00000258243.7 linkuse as main transcriptc.367C>T p.Leu123Phe missense_variant 4/101 NM_014777.4 ENSP00000258243 P1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152152
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:
0.00000414
AC:
1
AN:
241452
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
130412
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000911
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000346
AC:
5
AN:
1444244
Hom.:
0
Cov.:
31
AF XY:
0.00000419
AC XY:
3
AN XY:
716234
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:
0.0000118
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000363
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152152
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74322
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
Alfa
AF:
0.0000481
Hom.:
0

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 GeneticsJul 13, 2021The c.367C>T (p.L123F) 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 367, causing the leucine (L) at amino acid position 123 to be replaced by a phenylalanine (F). 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
0.20
BayesDel_addAF
Benign
-0.11
T
BayesDel_noAF
Benign
-0.39
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Benign
0.11
T
Eigen
Benign
0.11
Eigen_PC
Benign
0.050
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Benign
0.64
T
M_CAP
Benign
0.027
D
MetaRNN
Pathogenic
0.82
D
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.4
M
MutationTaster
Benign
1.0
D
PrimateAI
Benign
0.45
T
PROVEAN
Benign
-2.1
N
REVEL
Benign
0.25
Sift
Uncertain
0.0050
D
Sift4G
Pathogenic
0.0
D
Polyphen
1.0
D
Vest4
0.68
MutPred
0.67
Loss of helix (P = 0.1299);
MVP
0.43
MPC
0.47
ClinPred
0.70
D
GERP RS
3.8
Varity_R
0.23
gMVP
0.39

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.19
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: rs1265767877; hg19: chr1-229770727; API