Genetic Variant NM_025077.4:c.1141G>C (chr1-45343310-G-C) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_025077.4(TOE1):c.1141G>C(p.Glu381Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,836 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. E381K) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

TOE1
NM_025077.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.55

Publications

1 publications found

Variant links:

Genes affected

TOE1 (HGNC:15954): (target of EGR1, exonuclease) Enables poly(A)-specific ribonuclease activity and snRNA binding activity. Involved in RNA phosphodiester bond hydrolysis, exonucleolytic and snRNA 3'-end processing. Located in Cajal body and cytoplasm. Implicated in pontocerebellar hypoplasia type 7. [provided by Alliance of Genome Resources, Apr 2022]

TOE1 Gene-Disease associations (from GenCC):

pontocerebellar hypoplasia type 7
Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Ambry Genetics, PanelApp Australia, Labcorp Genetics (formerly Invitae), Orphanet, G2P

TOE1 links:

ENSG00000288208 (HGNC:):

ENSG00000288208 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.10729411).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_025077.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TOE1	NM_025077.4	MANE Select	c.1141G>C	p.Glu381Gln	missense	Exon 8 of 8	NP_079353.3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TOE1	ENST00000372090.6	TSL:1 MANE Select	c.1141G>C	p.Glu381Gln	missense	Exon 8 of 8	ENSP00000361162.5	Q96GM8-1
ENSG00000288208	ENST00000671898.1		n.541-8799C>G		intron	N/A	ENSP00000499896.1	A0A5F9ZGZ0
TOE1	ENST00000874144.1		c.1159G>C	p.Glu387Gln	missense	Exon 8 of 8	ENSP00000544203.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251348

AF XY:

0.00000736

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1461836

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727212

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86240

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53380

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112012

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.078

BayesDel_addAF

Benign

-0.32

BayesDel_noAF

Benign

-0.53

CADD

Benign

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.031

Eigen

Benign

-0.48

Eigen_PC

Benign

-0.49

FATHMM_MKL

Benign

0.33

LIST_S2

Benign

0.76

M_CAP

Benign

0.0066

MetaRNN

Benign

0.11

MetaSVM

Benign

-1.0

MutationAssessor

Uncertain

2.5

PhyloP100

1.5

PrimateAI

Benign

0.28

PROVEAN

Benign

-0.27

REVEL

Benign

0.059

Sift

Benign

0.098

Sift4G

Benign

0.27

Polyphen

0.22

Vest4

0.13

MutPred

0.44

Loss of phosphorylation at T380 (P = 0.1857)

MVP

0.34

MPC

0.48

ClinPred

0.16

GERP RS

3.8

Varity_R

0.045

gMVP

0.41

Mutation Taster

=95/5

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over