dbSNP rs115515921: TRIM2:p.Ile339Met (chr4-153295543-C-G) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

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

The NM_015271.5(TRIM2):c.1017C>G(p.Ile339Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,178 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. I339I) has been classified as Benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

TRIM2
NM_015271.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.89

Publications

2 publications found

Variant links:

Genes affected

TRIM2 (HGNC:15974): (tripartite motif containing 2) The protein encoded by this gene is a member of the tripartite motif (TRIM) family. The TRIM motif includes three zinc-binding domains, a RING, a B-box type 1 and a B-box type 2, and a coiled-coil region. The protein localizes to cytoplasmic filaments. It plays a neuroprotective role and functions as an E3-ubiquitin ligase in proteasome-mediated degradation of target proteins. Mutations in this gene can cause early-onset axonal neuropathy. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2014]

TRIM2 Gene-Disease associations (from GenCC):

Charcot-Marie-Tooth disease type 2R
Inheritance: AR Classification: SUPPORTIVE, LIMITED Submitted by: Orphanet, Ambry Genetics, Labcorp Genetics (formerly Invitae)

TRIM2 links:

ENSG00000288637 (HGNC:):

ENSG00000288637 links:

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, 0.765

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TRIM2	NM_015271.5 link	c.1017C>G	p.Ile339Met	missense_variant	Exon 6 of 12	ENST00000338700.10	NP_056086.2	Q9C040-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TRIM2	ENST00000338700.10 link	c.1017C>G	p.Ile339Met	missense_variant	Exon 6 of 12	1	NM_015271.5	ENSP00000339659.5		Q9C040-2
ENSG00000288637	ENST00000675838.1 link	c.936C>G	p.Ile312Met	missense_variant	Exon 6 of 18			ENSP00000501593.1		A0A6Q8PF18

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461178

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726866

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33468

American (AMR)

AF:

0.00

AC:

AN:

44690

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26100

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.00

AC:

AN:

86174

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53384

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111538

Other (OTH)

AF:

0.00

AC:

AN:

60362

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 v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.37

BayesDel_addAF

Pathogenic

0.19

BayesDel_noAF

Uncertain

0.040

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.24

T;T;.

Eigen

Uncertain

0.63

Eigen_PC

Uncertain

0.61

FATHMM_MKL

Uncertain

0.85

LIST_S2

Uncertain

0.95

D;D;D

M_CAP

Benign

0.067

MetaRNN

Pathogenic

0.77

D;D;D

MetaSVM

Uncertain

-0.21

MutationAssessor

Uncertain

2.4

M;.;.

PhyloP100

1.9

PrimateAI

Pathogenic

0.83

PROVEAN

Benign

-1.4

N;.;N

REVEL

Uncertain

0.46

Sift

Uncertain

0.0020

D;.;D

Sift4G

Uncertain

0.018

D;D;D

Polyphen

0.99

D;.;.

Vest4

0.75

MutPred

0.44

Loss of sheet (P = 0.0457);Loss of sheet (P = 0.0457);.;

MVP

0.60

MPC

1.5

ClinPred

0.90

GERP RS

4.7

Varity_R

0.47

gMVP

0.78

Mutation Taster

=43/57

disease causing

(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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over