22-37734607-T-C

Position:

chr22-37734607-T-C

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_001039141.3(TRIOBP):c.4271T>C(p.Leu1424Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000019 in 1,581,848 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 Likely benign (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

TRIOBP
NM_001039141.3 missense

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -2.32

Variant links:

Genes affected

TRIOBP (HGNC:17009): (TRIO and F-actin binding protein) This gene encodes a protein with an N-terminal pleckstrin homology domain and a C-terminal coiled-coil region. The protein interacts with trio, which is involved with neural tissue development and controlling actin cytoskeleton organization, cell motility and cell growth. The protein also associates with F-actin and stabilizes F-actin structures. Mutations in this gene have been associated with a form of autosomal recessive nonsyndromic deafness. Multiple alternatively spliced transcript variants that would encode different isoforms have been found for this gene, however some transcripts may be subject to nonsense-mediated decay (NMD). [provided by RefSeq, Nov 2008]

TRIOBP links:

Genome browser will be placed here

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=0.042533964).

BP6

Variant 22-37734607-T-C is Benign according to our data. Variant chr22-37734607-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 180031.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr22-37734607-T-C is described in Lovd as [Likely_benign].

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
TRIOBP	NM_001039141.3 linkuse as main transcript	c.4271T>C	p.Leu1424Pro	missense_variant	9/24	ENST00000644935.1	NP_001034230.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
TRIOBP	ENST00000644935.1 linkuse as main transcript	c.4271T>C	p.Leu1424Pro	missense_variant	9/24		NM_001039141.3	ENSP00000496394	A2	Q9H2D6-1
TRIOBP	ENST00000344404.10 linkuse as main transcript	c.*3754T>C		3_prime_UTR_variant, NMD_transcript_variant	7/22	2		ENSP00000340312

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

151870

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000140

AC:

AN:

1429978

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

708712

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:

0.00000182

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000658

AC:

AN:

151870

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74168

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000151

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Sep 16, 2014

Leu1424Pro in exon 9 of TRIOBP: This variant is not expected to have clinical s ignificance due to a lack of conservation across species, including mammals. Of note, green monkey, chinchilla, rabbit, pig, cat, David's myotis bat, microbat, armadillo, and platypus have a proline (Pro) at this position despite high near by amino acid conservation. In addition, computational prediction tools do not suggest a high likelihood of impact to the protein. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.057

BayesDel_addAF

Benign

-0.35

BayesDel_noAF

Benign

-0.74

CADD

Benign

1.4

DANN

Benign

0.73

DEOGEN2

Benign

0.011

T;T

Eigen

Benign

-1.2

Eigen_PC

Benign

-1.3

FATHMM_MKL

Benign

0.0054

LIST_S2

Benign

0.28

.;T

M_CAP

Benign

0.0062

MetaRNN

Benign

0.043

T;T

MetaSVM

Benign

-0.98

MutationAssessor

Benign

0.83

L;L

MutationTaster

Benign

1.0

PrimateAI

Benign

0.35

PROVEAN

Benign

-1.0

N;.

REVEL

Benign

0.012

Sift

Benign

0.072

T;.

Sift4G

Benign

0.18

T;.

Polyphen

0.0060

B;B

Vest4

0.11

MutPred

0.13

Gain of catalytic residue at P1423 (P = 0.0119);Gain of catalytic residue at P1423 (P = 0.0119);

MVP

0.20

MPC

0.19

ClinPred

0.042

GERP RS

-4.1

Varity_R

0.086

gMVP

0.080

Splicing

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