chr22-46335587-G-A

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP6_Very_StrongBA1

The ENST00000441818.5(TRMU):​c.-178G>A variant causes a 5 prime UTR, NMD transcript change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00806 in 694,158 control chromosomes in the GnomAD database, including 233 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.027 ( 193 hom., cov: 33)
Exomes 𝑓: 0.0027 ( 40 hom. )

Consequence

TRMU
ENST00000441818.5 5_prime_UTR, NMD_transcript

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -1.82
Variant links:
Genes affected
TRMU (HGNC:25481): (tRNA mitochondrial 2-thiouridylase) This nuclear gene encodes a mitochondrial tRNA-modifying enzyme. The encoded protein catalyzes the 2-thiolation of uridine on the wobble positions of tRNA(Lys), tRNA(Glu), and tRNA(Gln), resulting in the formation of 5-taurinomethyl-2-thiouridine moieties. Mutations in this gene may cause transient infantile liver failure. Polymorphisms in this gene may also influence the severity of deafness caused by mitochondrial 12S ribosomal RNA mutations. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Sep 2013]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP6
Variant 22-46335587-G-A is Benign according to our data. Variant chr22-46335587-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 341994.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0917 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TRMUENST00000441818.5 linkuse as main transcriptc.-178G>A 5_prime_UTR_variant, NMD_transcript_variant 1/101
TRMUENST00000456595.5 linkuse as main transcriptc.-178G>A 5_prime_UTR_variant, NMD_transcript_variant 1/91
TRMUENST00000381021.7 linkuse as main transcriptc.-178G>A 5_prime_UTR_variant, NMD_transcript_variant 1/102

Frequencies

GnomAD3 genomes
AF:
0.0273
AC:
4149
AN:
151944
Hom.:
194
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0942
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0107
Gnomad ASJ
AF:
0.00433
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00318
Gnomad NFE
AF:
0.000559
Gnomad OTH
AF:
0.0168
GnomAD4 exome
AF:
0.00265
AC:
1437
AN:
542096
Hom.:
40
Cov.:
7
AF XY:
0.00232
AC XY:
657
AN XY:
283702
show subpopulations
Gnomad4 AFR exome
AF:
0.0818
Gnomad4 AMR exome
AF:
0.00620
Gnomad4 ASJ exome
AF:
0.00501
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000332
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000319
Gnomad4 OTH exome
AF:
0.00688
GnomAD4 genome
AF:
0.0273
AC:
4157
AN:
152062
Hom.:
193
Cov.:
33
AF XY:
0.0263
AC XY:
1956
AN XY:
74352
show subpopulations
Gnomad4 AFR
AF:
0.0941
Gnomad4 AMR
AF:
0.0107
Gnomad4 ASJ
AF:
0.00433
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000559
Gnomad4 OTH
AF:
0.0166
Alfa
AF:
0.0159
Hom.:
11
Bravo
AF:
0.0311
Asia WGS
AF:
0.00520
AC:
18
AN:
3478

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitterclinical testingGeneDxJun 14, 2018This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -
Likely benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Acute infantile liver failure due to synthesis defect of mtDNA-encoded proteins Benign:1
Likely benign, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJun 14, 2016- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.77
CADD
Benign
0.82
DANN
Benign
0.84

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.25
Details are displayed if max score is > 0.2
DS_DG_spliceai
0.25
Position offset: -3

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: rs114587018; hg19: chr22-46731484; API