rs368280072

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_152383.5(DIS3L2):​c.2381G>A​(p.Arg794His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,238 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 (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R794G) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000034 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

DIS3L2
NM_152383.5 missense

Scores

6
9
4

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 7.95

Publications

1 publications found
Variant links:
Genes affected
DIS3L2 (HGNC:28648): (DIS3 like 3'-5' exoribonuclease 2) The protein encoded by this gene is similar in sequence to 3'/5' exonucleolytic subunits of the RNA exosome. The exosome is a large multimeric ribonucleotide complex responsible for degrading various RNA substrates. Several transcript variants, some protein-coding and some not, have been found for this gene. [provided by RefSeq, Mar 2012]
DIS3L2 Gene-Disease associations (from GenCC):
  • Perlman syndrome
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: ClinGen, Orphanet, Labcorp Genetics (formerly Invitae), G2P

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.794

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
DIS3L2NM_152383.5 linkc.2381G>A p.Arg794His missense_variant Exon 19 of 21 ENST00000325385.12 NP_689596.4 Q8IYB7-1
DIS3L2NR_046476.2 linkn.2454G>A non_coding_transcript_exon_variant Exon 19 of 21
DIS3L2NR_046477.2 linkn.2433G>A non_coding_transcript_exon_variant Exon 18 of 19
DIS3L2NM_001257281.2 linkc.1582-8623G>A intron_variant Intron 13 of 13 NP_001244210.1 Q8IYB7-3

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
DIS3L2ENST00000325385.12 linkc.2381G>A p.Arg794His missense_variant Exon 19 of 21 5 NM_152383.5 ENSP00000315569.7 Q8IYB7-1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152238
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000214
AC:
5
AN:
233814
AF XY:
0.0000157
show subpopulations
Gnomad AFR exome
AF:
0.0000708
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000591
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000191
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.00000344
AC:
5
AN:
1453260
Hom.:
0
Cov.:
33
AF XY:
0.00000415
AC XY:
3
AN XY:
722402
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33220
American (AMR)
AF:
0.00
AC:
0
AN:
44012
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26006
East Asian (EAS)
AF:
0.0000256
AC:
1
AN:
39138
South Asian (SAS)
AF:
0.0000118
AC:
1
AN:
84990
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52038
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5298
European-Non Finnish (NFE)
AF:
0.00000271
AC:
3
AN:
1108538
Other (OTH)
AF:
0.00
AC:
0
AN:
60020
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.455
Heterozygous variant carriers
0
1
1
2
2
3
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:
0.00000657
AC:
1
AN:
152238
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74372
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41466
American (AMR)
AF:
0.00
AC:
0
AN:
15290
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5186
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68044
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
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:
0.00
Hom.:
0
Bravo
AF:
0.0000113
ESP6500AA
AF:
0.000232
AC:
1
ESP6500EA
AF:
0.000118
AC:
1
ExAC
AF:
0.0000414
AC:
5

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Perlman syndrome Uncertain:2
Apr 24, 2025
Institute for Genomic Medicine, Nationwide Children's Hospital
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.2381G>A variant creates a missense change (p.Arg794His) at residue 794 of the DIS3L2 protein. It is observed in heterozygous form, but extremely rare, in population databases including gnomAD (6/802,749) and All of Us (4/414,826). In silico tools are conflicting about the effect this variant has on the encoded protein (10/25 say damaging); most established disease-causing alterations in this gene to date are loss-of-function variants. This variant was compound-heterozygous with a nonsense change (c.127C>T) in two siblings with Perlman syndrome who underwent trio exome sequencing. We interpret it as a variant of uncertain significance. -

Oct 23, 2023
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change replaces arginine, which is basic and polar, with histidine, which is basic and polar, at codon 794 of the DIS3L2 protein (p.Arg794His). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with DIS3L2-related conditions. ClinVar contains an entry for this variant (Variation ID: 566831). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt DIS3L2 protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.89
BayesDel_addAF
Uncertain
0.12
D
BayesDel_noAF
Uncertain
-0.060
CADD
Pathogenic
29
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.28
T;T
Eigen
Uncertain
0.52
Eigen_PC
Uncertain
0.50
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.93
D;.
M_CAP
Benign
0.038
D
MetaRNN
Pathogenic
0.79
D;D
MetaSVM
Benign
-0.77
T
MutationAssessor
Pathogenic
3.3
M;M
PhyloP100
8.0
PrimateAI
Uncertain
0.68
T
PROVEAN
Uncertain
-4.2
D;D
REVEL
Uncertain
0.30
Sift
Pathogenic
0.0
D;D
Sift4G
Uncertain
0.0040
D;D
Polyphen
0.88
P;P
Vest4
0.89
MVP
0.21
MPC
0.88
ClinPred
0.95
D
GERP RS
4.1
PromoterAI
-0.0022
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.72
gMVP
0.76
Mutation Taster
=63/37
polymorphism

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

Other links and lift over

dbSNP: rs368280072; hg19: chr2-233199432; API