X-153445200-G-A

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_080701.4(TREX2):​c.231C>T​(p.Ile77=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00197 in 1,208,043 control chromosomes in the GnomAD database, including 41 homozygotes. There are 653 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.011 ( 19 hom., 336 hem., cov: 24)
Exomes 𝑓: 0.0011 ( 22 hom. 317 hem. )

Consequence

TREX2
NM_080701.4 synonymous

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.0890
Variant links:
Genes affected
TREX2 (HGNC:12270): (three prime repair exonuclease 2) This gene encodes a nuclear protein with 3' to 5' exonuclease activity. The encoded protein participates in double-stranded DNA break repair, and may interact with DNA polymerase delta. [provided by RefSeq, Nov 2012]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.57).
BP6
Variant X-153445200-G-A is Benign according to our data. Variant chrX-153445200-G-A is described in ClinVar as [Benign]. Clinvar id is 716260.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chrX-153445200-G-A is described in Lovd as [Benign].
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0106 (1201/113099) while in subpopulation AFR AF= 0.037 (1155/31254). AF 95% confidence interval is 0.0352. There are 19 homozygotes in gnomad4. There are 336 alleles in male gnomad4 subpopulation. Median coverage is 24. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 19 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TREX2NM_080701.4 linkuse as main transcriptc.231C>T p.Ile77= synonymous_variant 2/2 ENST00000370231.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TREX2ENST00000370231.3 linkuse as main transcriptc.231C>T p.Ile77= synonymous_variant 2/25 NM_080701.4 P1Q9BQ50-2

Frequencies

GnomAD3 genomes
AF:
0.0106
AC:
1197
AN:
113044
Hom.:
19
Cov.:
24
AF XY:
0.00943
AC XY:
332
AN XY:
35196
show subpopulations
Gnomad AFR
AF:
0.0369
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00305
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:
0.0000938
Gnomad OTH
AF:
0.00525
GnomAD3 exomes
AF:
0.00283
AC:
494
AN:
174725
Hom.:
5
AF XY:
0.00210
AC XY:
131
AN XY:
62233
show subpopulations
Gnomad AFR exome
AF:
0.0388
Gnomad AMR exome
AF:
0.000336
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:
0.0000259
Gnomad OTH exome
AF:
0.000232
GnomAD4 exome
AF:
0.00107
AC:
1176
AN:
1094944
Hom.:
22
Cov.:
31
AF XY:
0.000878
AC XY:
317
AN XY:
360848
show subpopulations
Gnomad4 AFR exome
AF:
0.0404
Gnomad4 AMR exome
AF:
0.000659
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000186
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000131
Gnomad4 OTH exome
AF:
0.00159
GnomAD4 genome
AF:
0.0106
AC:
1201
AN:
113099
Hom.:
19
Cov.:
24
AF XY:
0.00953
AC XY:
336
AN XY:
35261
show subpopulations
Gnomad4 AFR
AF:
0.0370
Gnomad4 AMR
AF:
0.00305
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000938
Gnomad4 OTH
AF:
0.00518
Alfa
AF:
0.00702
Hom.:
19
Bravo
AF:
0.0124

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 testingInvitaeDec 14, 2017- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.57
CADD
Benign
4.1
DANN
Benign
0.90

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: rs80034208; hg19: chrX-152710658; API