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GeneBe

8-116771619-A-G

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_032334.3(UTP23):c.527A>G(p.Lys176Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000123 in 1,611,496 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00013 ( 0 hom. )

Consequence

UTP23
NM_032334.3 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.136
Variant links:
Genes affected
UTP23 (HGNC:28224): (UTP23 small subunit processome component) Enables mRNA 3'-UTR binding activity and mRNA 5'-UTR binding activity. Predicted to be involved in rRNA processing. Predicted to act upstream of or within endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA). Predicted to be part of small-subunit processome. Predicted to be active in nucleolus. Implicated in colorectal adenocarcinoma. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.01636386).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
UTP23NM_032334.3 linkuse as main transcriptc.527A>G p.Lys176Arg missense_variant 3/3 ENST00000309822.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
UTP23ENST00000309822.7 linkuse as main transcriptc.527A>G p.Lys176Arg missense_variant 3/31 NM_032334.3 P1Q9BRU9-1

Frequencies

GnomAD3 genomes
AF:
0.000105
AC:
16
AN:
152228
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000192
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000941
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000176
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000101
AC:
25
AN:
247682
Hom.:
0
AF XY:
0.000105
AC XY:
14
AN XY:
133754
show subpopulations
Gnomad AFR exome
AF:
0.000124
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:
0.0000463
Gnomad NFE exome
AF:
0.000195
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000125
AC:
183
AN:
1459150
Hom.:
0
Cov.:
31
AF XY:
0.000127
AC XY:
92
AN XY:
725708
show subpopulations
Gnomad4 AFR exome
AF:
0.0000602
Gnomad4 AMR exome
AF:
0.0000227
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000117
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000156
Gnomad4 OTH exome
AF:
0.0000995
GnomAD4 genome
AF:
0.000105
AC:
16
AN:
152346
Hom.:
0
Cov.:
33
AF XY:
0.000134
AC XY:
10
AN XY:
74506
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.0000941
Gnomad4 NFE
AF:
0.000176
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000102
Hom.:
0
Bravo
AF:
0.0000869
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.000107
AC:
13
EpiCase
AF:
0.000382
EpiControl
AF:
0.000237

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 GeneticsJan 11, 2023The c.527A>G (p.K176R) alteration is located in exon 3 (coding exon 3) of the UTP23 gene. This alteration results from a A to G substitution at nucleotide position 527, causing the lysine (K) at amino acid position 176 to be replaced by an arginine (R). 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
0.068
BayesDel_addAF
Benign
-0.56
T
BayesDel_noAF
Benign
-0.74
Cadd
Benign
0.29
Dann
Benign
0.96
DEOGEN2
Benign
0.013
T
Eigen
Benign
-0.99
Eigen_PC
Benign
-0.94
FATHMM_MKL
Benign
0.083
N
LIST_S2
Benign
0.45
T
M_CAP
Benign
0.0025
T
MetaRNN
Benign
0.016
T
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
1.7
L
MutationTaster
Benign
1.0
N;N;N;N
PrimateAI
Benign
0.24
T
PROVEAN
Benign
-1.6
N
REVEL
Benign
0.019
Sift
Benign
0.11
T
Sift4G
Benign
0.14
T
Polyphen
0.0020
B
Vest4
0.067
MVP
0.12
MPC
0.19
ClinPred
0.018
T
GERP RS
0.86
Varity_R
0.068
gMVP
0.11

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: rs140123921; hg19: chr8-117783858; API