NM_014503.3:c.602C>T

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_014503.3(UTP20):​c.602C>T​(p.Ser201Phe) variant causes a missense change. The variant allele was found at a frequency of 0.00000573 in 1,570,470 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000028 ( 0 hom. )

Consequence

UTP20
NM_014503.3 missense

Scores

1
11
6

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.01

Publications

0 publications found
Variant links:
Genes affected
UTP20 (HGNC:17897): (UTP20 small subunit processome component) UTP20 is a component of the U3 small nucleolar RNA (snoRNA) (SNORD3A; MIM 180710) protein complex (U3 snoRNP) and is involved in 18S rRNA processing (Wang et al., 2007 [PubMed 17498821]).[supplied by OMIM, Jun 2009]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.31223387).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014503.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
UTP20
NM_014503.3
MANE Select
c.602C>Tp.Ser201Phe
missense
Exon 7 of 62NP_055318.2O75691

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
UTP20
ENST00000261637.5
TSL:1 MANE Select
c.602C>Tp.Ser201Phe
missense
Exon 7 of 62ENSP00000261637.4O75691
UTP20
ENST00000551825.1
TSL:1
n.757C>T
non_coding_transcript_exon
Exon 7 of 8
UTP20
ENST00000923497.1
c.602C>Tp.Ser201Phe
missense
Exon 7 of 62ENSP00000593556.1

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152194
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000965
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000172
AC:
4
AN:
233108
AF XY:
0.00000794
show subpopulations
Gnomad AFR exome
AF:
0.000197
Gnomad AMR exome
AF:
0.0000333
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000282
AC:
4
AN:
1418158
Hom.:
0
Cov.:
25
AF XY:
0.00000283
AC XY:
2
AN XY:
705976
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.0000937
AC:
3
AN:
32008
American (AMR)
AF:
0.00
AC:
0
AN:
41172
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25504
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39168
South Asian (SAS)
AF:
0.00
AC:
0
AN:
80884
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52850
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5562
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1082188
Other (OTH)
AF:
0.0000170
AC:
1
AN:
58822
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.00000554369), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.338
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000328
AC:
5
AN:
152312
Hom.:
0
Cov.:
32
AF XY:
0.0000268
AC XY:
2
AN XY:
74492
show subpopulations
African (AFR)
AF:
0.0000963
AC:
4
AN:
41558
American (AMR)
AF:
0.0000654
AC:
1
AN:
15302
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5194
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68018
Other (OTH)
AF:
0.00
AC:
0
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000996
Hom.:
0
Bravo
AF:
0.0000416
ESP6500AA
AF:
0.000454
AC:
2
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000330
AC:
4

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.22
BayesDel_addAF
Benign
-0.13
T
BayesDel_noAF
Benign
-0.17
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.17
T
Eigen
Uncertain
0.62
Eigen_PC
Uncertain
0.60
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.92
D
M_CAP
Benign
0.061
D
MetaRNN
Benign
0.31
T
MetaSVM
Uncertain
-0.20
T
MutationAssessor
Uncertain
2.3
M
PhyloP100
6.0
PrimateAI
Uncertain
0.59
T
PROVEAN
Uncertain
-3.4
D
REVEL
Uncertain
0.37
Sift
Uncertain
0.025
D
Sift4G
Uncertain
0.032
D
Polyphen
0.99
D
Vest4
0.42
MVP
0.75
MPC
0.31
ClinPred
0.79
D
GERP RS
5.8
Varity_R
0.35
gMVP
0.18
Mutation Taster
=64/36
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.070
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: rs376412636; hg19: chr12-101683919; API