Variant 2-80302716-C-G details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_StrongBS2

The ENST00000295057.4(LRRTM1):c.1104G>C(p.Glu368Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000479 in 1,460,528 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

LRRTM1
ENST00000295057.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.61

Variant links:

Genes affected

LRRTM1 (HGNC:19408): (leucine rich repeat transmembrane neuronal 1) Predicted to be involved in regulation of postsynaptic density assembly and regulation of presynapse assembly. Predicted to act upstream of or within several processes, including long-term synaptic potentiation; negative regulation of receptor internalization; and positive regulation of synapse assembly. Located in endoplasmic reticulum and growth cone. Is active in GABA-ergic synapse. Is integral component of postsynaptic specialization membrane. [provided by Alliance of Genome Resources, Apr 2022]

LRRTM1 links:

CTNNA2 (HGNC:2510): (catenin alpha 2) Enables actin filament binding activity. Involved in negative regulation of Arp2/3 complex-mediated actin nucleation; regulation of neuron migration; and regulation of neuron projection development. Located in cytoplasm. Implicated in complex cortical dysplasia with other brain malformations. [provided by Alliance of Genome Resources, Apr 2022]

CTNNA2 links:

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.056468964).

BS2

High AC in GnomAdExome4 at 7 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
LRRTM1	NM_178839.5 linkuse as main transcript	c.1104G>C	p.Glu368Asp	missense_variant	2/2	ENST00000295057.4	NP_849161.2
CTNNA2	NM_001282597.3 linkuse as main transcript	c.1057-90495C>G		intron_variant		ENST00000402739.9	NP_001269526.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
LRRTM1	ENST00000295057.4 linkuse as main transcript	c.1104G>C	p.Glu368Asp	missense_variant	2/2	1	NM_178839.5	ENSP00000295057	P1
CTNNA2	ENST00000402739.9 linkuse as main transcript	c.1057-90495C>G		intron_variant		1	NM_001282597.3	ENSP00000384638		P26232-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000479

AC:

AN:

1460528

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

726568

show subpopulations

Gnomad4 AFR exome

AF:

0.000120

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:

0.00

Gnomad4 OTH exome

AF:

0.0000497

GnomAD4 genome

Cov.:

Bravo

AF:

0.0000113

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

Jun 23, 2021

The c.1104G>C (p.E368D) alteration is located in exon 2 (coding exon 1) of the LRRTM1 gene. This alteration results from a G to C substitution at nucleotide position 1104, causing the glutamic acid (E) at amino acid position 368 to be replaced by an aspartic acid (D). 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

0.062

BayesDel_addAF

Benign

-0.27

BayesDel_noAF

Benign

-0.63

CADD

Benign

DANN

Benign

0.90

DEOGEN2

Benign

0.021

T;T

Eigen

Benign

-0.30

Eigen_PC

Benign

-0.12

FATHMM_MKL

Benign

0.65

LIST_S2

Benign

0.65

.;T

M_CAP

Benign

0.0087

MetaRNN

Benign

0.056

T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

-0.51

N;N

MutationTaster

Benign

1.0

D;D;D;D;D;D;D;D

PrimateAI

Uncertain

0.54

PROVEAN

Benign

-0.25

N;N

REVEL

Benign

0.064

Sift

Benign

0.62

T;T

Sift4G

Benign

0.61

T;T

Polyphen

0.0

B;B

Vest4

0.062

MutPred

0.28

Loss of glycosylation at T370 (P = 0.1175);Loss of glycosylation at T370 (P = 0.1175);

MVP

0.13

ClinPred

0.19

GERP RS

3.5

Varity_R

0.094

gMVP

0.29

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over