20-21333776-G-A

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_012255.5(XRN2):​c.1006G>A​(p.Val336Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00205 in 1,614,082 control chromosomes in the GnomAD database, including 15 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0022 ( 1 hom., cov: 32)
Exomes 𝑓: 0.0020 ( 14 hom. )

Consequence

XRN2
NM_012255.5 missense

Scores

3
3
13

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 9.97
Variant links:
Genes affected
XRN2 (HGNC:12836): (5'-3' exoribonuclease 2) This gene encodes a 5'-3' exonuclease that promotes transcription termination at cotranscriptional cleavage sites. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Dec 2015]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.010895699).
BP6
Variant 20-21333776-G-A is Benign according to our data. Variant chr20-21333776-G-A is described in ClinVar as [Benign]. Clinvar id is 724653.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High Homozygotes in GnomAdExome4 at 14 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
XRN2NM_012255.5 linkuse as main transcriptc.1006G>A p.Val336Ile missense_variant 11/30 ENST00000377191.5 NP_036387.2
XRN2NM_001317960.1 linkuse as main transcriptc.1240G>A p.Val414Ile missense_variant 11/30 NP_001304889.1
XRN2XM_017027722.2 linkuse as main transcriptc.1240G>A p.Val414Ile missense_variant 11/17 XP_016883211.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
XRN2ENST00000377191.5 linkuse as main transcriptc.1006G>A p.Val336Ile missense_variant 11/301 NM_012255.5 ENSP00000366396 P1Q9H0D6-1

Frequencies

GnomAD3 genomes
AF:
0.00224
AC:
341
AN:
152120
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000362
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00223
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0156
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00181
Gnomad OTH
AF:
0.00191
GnomAD3 exomes
AF:
0.00216
AC:
542
AN:
251184
Hom.:
4
AF XY:
0.00216
AC XY:
293
AN XY:
135740
show subpopulations
Gnomad AFR exome
AF:
0.000492
Gnomad AMR exome
AF:
0.000607
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0123
Gnomad NFE exome
AF:
0.00211
Gnomad OTH exome
AF:
0.00114
GnomAD4 exome
AF:
0.00203
AC:
2968
AN:
1461844
Hom.:
14
Cov.:
32
AF XY:
0.00198
AC XY:
1440
AN XY:
727222
show subpopulations
Gnomad4 AFR exome
AF:
0.000239
Gnomad4 AMR exome
AF:
0.000783
Gnomad4 ASJ exome
AF:
0.0000765
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0119
Gnomad4 NFE exome
AF:
0.00197
Gnomad4 OTH exome
AF:
0.00162
GnomAD4 genome
AF:
0.00224
AC:
341
AN:
152238
Hom.:
1
Cov.:
32
AF XY:
0.00278
AC XY:
207
AN XY:
74430
show subpopulations
Gnomad4 AFR
AF:
0.000361
Gnomad4 AMR
AF:
0.00222
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.0156
Gnomad4 NFE
AF:
0.00181
Gnomad4 OTH
AF:
0.00189
Alfa
AF:
0.00177
Hom.:
1
Bravo
AF:
0.00128
TwinsUK
AF:
0.00135
AC:
5
ALSPAC
AF:
0.00182
AC:
7
ESP6500AA
AF:
0.000454
AC:
2
ESP6500EA
AF:
0.00198
AC:
17
ExAC
AF:
0.00202
AC:
245
Asia WGS
AF:
0.000866
AC:
3
AN:
3478
EpiCase
AF:
0.00175
EpiControl
AF:
0.00101

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpAug 27, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.26
BayesDel_addAF
Benign
-0.25
T
BayesDel_noAF
Benign
-0.13
CADD
Pathogenic
27
DANN
Uncertain
1.0
DEOGEN2
Benign
0.10
T
Eigen
Pathogenic
0.71
Eigen_PC
Pathogenic
0.76
FATHMM_MKL
Pathogenic
1.0
D
LIST_S2
Uncertain
0.97
D
M_CAP
Benign
0.014
T
MetaRNN
Benign
0.011
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.4
L
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Uncertain
0.67
T
PROVEAN
Benign
-0.97
N
REVEL
Benign
0.25
Sift
Benign
0.10
T
Sift4G
Benign
0.15
T
Polyphen
1.0
D
Vest4
0.70
MVP
0.40
MPC
0.91
ClinPred
0.036
T
GERP RS
5.7
Varity_R
0.16
gMVP
0.60

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: rs143317904; hg19: chr20-21314414; API