5-14143792-G-A

Variant names:

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 1P and 20B. PP2BP4_StrongBP6_Very_StrongBS1BS2

The NM_007118.4(TRIO):c.67G>A(p.Ala23Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00027 in 1,037,030 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 Likely benign (★★).

Frequency

Genomes: 𝑓 0.0011 ( 0 hom., cov: 31)

Exomes 𝑓: 0.00014 ( 0 hom. )

Consequence

TRIO
NM_007118.4 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 0.0470

Variant links:

Genes affected

TRIO (HGNC:12303): (trio Rho guanine nucleotide exchange factor) This gene encodes a large protein that functions as a GDP to GTP exchange factor. This protein promotes the reorganization of the actin cytoskeleton, thereby playing a role in cell migration and growth. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2015]

TRIO links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -19 ACMG points.

PP2

Missense variant in the TRIO gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 31 curated pathogenic missense variants (we use a threshold of 10). The gene has 80 curated benign missense variants. Gene score misZ: 5.3161 (above the threshold of 3.09). Trascript score misZ: 4.6722 (above the threshold of 3.09). GenCC associations: The gene is linked to intellectual disability, autosomal dominant 40, syndromic intellectual disability, intellectual developmental disorder, autosomal dominant 63, with macrocephaly, micrognathia-recurrent infections-behavioral abnormalities-mild intellectual disability syndrome.

BP4

Computational evidence support a benign effect (MetaRNN=0.01873082).

BP6

Variant 5-14143792-G-A is Benign according to our data. Variant chr5-14143792-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 714992.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00107 (157/147030) while in subpopulation AFR AF= 0.00349 (143/41006). AF 95% confidence interval is 0.00302. There are 0 homozygotes in gnomad4. There are 85 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.

BS2

High AC in GnomAd4 at 157 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TRIO	NM_007118.4 link	c.67G>A	p.Ala23Thr	missense_variant	Exon 1 of 57	ENST00000344204.9	NP_009049.2	O75962-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TRIO	ENST00000344204.9 link	c.67G>A	p.Ala23Thr	missense_variant	Exon 1 of 57	1	NM_007118.4	ENSP00000339299.4		O75962-1

Frequencies

GnomAD3 genomes

AF:

0.00105

AC:

155

AN:

146944

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00345

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000473

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00641

Gnomad NFE

AF:

0.0000454

Gnomad OTH

AF:

0.000983

GnomAD4 exome

AF:

0.000138

AC:

123

AN:

890000

Hom.:

Cov.:

AF XY:

0.000147

AC XY:

AN XY:

415458

show subpopulations

Gnomad4 AFR exome

AF:

0.00362

Gnomad4 AMR exome

AF:

0.000381

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:

0.0000663

Gnomad4 OTH exome

AF:

0.000195

GnomAD4 genome

AF:

0.00107

AC:

157

AN:

147030

Hom.:

Cov.:

AF XY:

0.00119

AC XY:

AN XY:

71632

show subpopulations

Gnomad4 AFR

AF:

0.00349

Gnomad4 AMR

AF:

0.000472

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000454

Gnomad4 OTH

AF:

0.000974

Alfa

AF:

0.000139

Hom.:

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

May 16, 2018

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Dec 07, 2020

GeneDx

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

TRIO-related disorder

Benign:1

May 03, 2022

PreventionGenetics, part of Exact Sciences

Significance: Likely benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Inborn genetic diseases

Benign:1

Jan 16, 2024

Ambry Genetics

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.095

BayesDel_addAF

Benign

-0.48

BayesDel_noAF

Benign

-0.46

CADD

Benign

DANN

Uncertain

0.98

DEOGEN2

Benign

0.046

Eigen

Benign

-0.91

Eigen_PC

Benign

-0.90

FATHMM_MKL

Benign

0.036

LIST_S2

Benign

0.39

M_CAP

Pathogenic

0.93

MetaRNN

Benign

0.019

MetaSVM

Benign

-0.97

MutationAssessor

Benign

0.34

PrimateAI

Pathogenic

0.86

PROVEAN

Benign

0.20

REVEL

Benign

0.11

Sift

Benign

0.066

Sift4G

Uncertain

0.029

Polyphen

0.0010

Vest4

0.10

MVP

0.43

MPC

0.88

ClinPred

0.17

GERP RS

0.19

Varity_R

0.080

gMVP

0.25

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