Variant 10-66928094-C-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_ModerateBS2

The NM_178011.5(LRRTM3):c.1178C>T(p.Pro393Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00000342 in 1,461,778 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

LRRTM3
NM_178011.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.94

Variant links:

Genes affected

LRRTM3 (HGNC:19410): (leucine rich repeat transmembrane neuronal 3) Involved in presynapse assembly. Acts upstream of or within positive regulation of amyloid-beta formation. Is active in glutamatergic synapse. [provided by Alliance of Genome Resources, Apr 2022]

LRRTM3 links:

CTNNA3 (HGNC:2511): (catenin alpha 3) This gene encodes a protein that belongs to the vinculin/alpha-catenin family. The encoded protein plays a role in cell-cell adhesion in muscle cells. Mutations in this gene are associated with arrhythmogenic right ventricular dysplasia, familial 13. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Mar 2014]

CTNNA3 links:

LOC101928961 (HGNC:):

LOC101928961 links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.10517204).

BS2

High AC in GnomAdExome4 at 5 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
LRRTM3	NM_178011.5 linkuse as main transcript	c.1178C>T	p.Pro393Leu	missense_variant	2/3	ENST00000361320.5
CTNNA3	NM_013266.4 linkuse as main transcript	c.1048-152570G>A		intron_variant		ENST00000433211.7
LOC101928961	NR_111911.1 linkuse as main transcript	n.2718-17601G>A		intron_variant, non_coding_transcript_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
LRRTM3	ENST00000361320.5 linkuse as main transcript	c.1178C>T	p.Pro393Leu	missense_variant	2/3	1	NM_178011.5	P1	Q86VH5-1
CTNNA3	ENST00000433211.7 linkuse as main transcript	c.1048-152570G>A		intron_variant		1	NM_013266.4	P1	Q9UI47-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000342

AC:

AN:

1461778

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727186

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000450

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Aug 01, 2022

The c.1178C>T (p.P393L) alteration is located in exon 2 (coding exon 2) of the LRRTM3 gene. This alteration results from a C to T substitution at nucleotide position 1178, causing the proline (P) at amino acid position 393 to be replaced by a leucine (L). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.058

BayesDel_addAF

Uncertain

0.032

BayesDel_noAF

Benign

-0.19

CADD

Benign

DANN

Benign

0.96

DEOGEN2

Benign

0.010

Eigen

Benign

-0.28

Eigen_PC

Benign

0.0022

FATHMM_MKL

Uncertain

0.94

LIST_S2

Benign

0.82

M_CAP

Benign

0.027

MetaRNN

Benign

0.11

MetaSVM

Benign

-0.88

MutationAssessor

Benign

0.20

MutationTaster

Benign

1.0

D;D;D;D

PrimateAI

Uncertain

0.65

PROVEAN

Benign

-0.64

REVEL

Benign

0.28

Sift

Benign

0.14

Sift4G

Benign

0.43

Polyphen

0.0

Vest4

0.23

MutPred

0.21

Loss of glycosylation at P393 (P = 0.0293);

MVP

0.42

MPC

0.68

ClinPred

0.59

GERP RS

5.9

Varity_R

0.12

gMVP

0.55

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

No publications associated with this variant yet.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over