chr22-37768172-C-T

Position:

chr22-37768172-C-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_001039141.3(TRIOBP):c.6571C>T(p.His2191Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00108 in 1,611,352 control chromosomes in the GnomAD database, including 15 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0057 ( 6 hom., cov: 32)

Exomes 𝑓: 0.00060 ( 9 hom. )

Consequence

TRIOBP
NM_001039141.3 missense

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 1.06

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 Benign. Variant got -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0068521798).

BP6

Variant 22-37768172-C-T is Benign according to our data. Variant chr22-37768172-C-T is described in ClinVar as [Benign]. Clinvar id is 227127.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr22-37768172-C-T is described in Lovd as [Benign].

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00574 (874/152274) while in subpopulation AFR AF= 0.0198 (821/41546). AF 95% confidence interval is 0.0186. There are 6 homozygotes in gnomad4. There are 420 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 6 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TRIOBP	NM_001039141.3 linkuse as main transcript	c.6571C>T	p.His2191Tyr	missense_variant	19/24	ENST00000644935.1
TRIOBP	NM_007032.5 linkuse as main transcript	c.1432C>T	p.His478Tyr	missense_variant	9/14

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TRIOBP	ENST00000644935.1 linkuse as main transcript	c.6571C>T	p.His2191Tyr	missense_variant	19/24		NM_001039141.3	A2	Q9H2D6-1
TRIOBP	ENST00000403663.6 linkuse as main transcript	c.1432C>T	p.His478Tyr	missense_variant	9/14	1		P2	Q9H2D6-7
TRIOBP	ENST00000344404.10 linkuse as main transcript	c.*6054C>T		3_prime_UTR_variant, NMD_transcript_variant	17/22	2

Frequencies

GnomAD3 genomes

AF:

0.00572

AC:

870

AN:

152156

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0197

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00216

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000220

Gnomad OTH

AF:

0.00239

GnomAD3 exomes

AF:

0.00128

AC:

311

AN:

242866

Hom.:

AF XY:

0.000979

AC XY:

129

AN XY:

131756

show subpopulations

Gnomad AFR exome

AF:

0.0168

Gnomad AMR exome

AF:

0.00127

Gnomad ASJ exome

AF:

0.000101

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000674

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000910

Gnomad OTH exome

AF:

0.000677

GnomAD4 exome

AF:

0.000597

AC:

871

AN:

1459078

Hom.:

Cov.:

AF XY:

0.000528

AC XY:

383

AN XY:

725580

show subpopulations

Gnomad4 AFR exome

AF:

0.0181

Gnomad4 AMR exome

AF:

0.00133

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000350

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000945

Gnomad4 OTH exome

AF:

0.00158

GnomAD4 genome

AF:

0.00574

AC:

874

AN:

152274

Hom.:

Cov.:

AF XY:

0.00564

AC XY:

420

AN XY:

74454

show subpopulations

Gnomad4 AFR

AF:

0.0198

Gnomad4 AMR

AF:

0.00216

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000220

Gnomad4 OTH

AF:

0.00237

Alfa

AF:

0.000994

Hom.:

Bravo

AF:

0.00639

TwinsUK

AF:

0.000539

AC:

ALSPAC

AF:

0.00

AC:

ESP6500AA

AF:

0.0165

AC:

ESP6500EA

AF:

0.000120

AC:

ExAC

AF:

0.00158

AC:

191

Asia WGS

AF:

0.00202

AC:

AN:

3478

ClinVar

Significance: Benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:2

Benign, criteria provided, single submitter	clinical testing	Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine	Apr 30, 2012	His2191Tyr in Exon 19 of TRIOBP: This variant is not expected to have clinical s ignificance because it has been identified in 1.7% (57/3300) of African American chromosomes from a broad population by the NHLBI Exome Sequencing Project (http ://evs.gs.washington.edu/EVS; dbSNP rs61729063). -
Benign, criteria provided, single submitter	clinical testing	PreventionGenetics, part of Exact Sciences	-	- -

not provided

Benign:2

Benign, criteria provided, single submitter	clinical testing	GeneDx	Feb 26, 2019	- -
Benign, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Jan 29, 2024	- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.27

BayesDel_addAF

Benign

-0.43

BayesDel_noAF

Benign

-0.38

CADD

Uncertain

DANN

Uncertain

0.99

DEOGEN2

Benign

0.12

T;T;.

Eigen

Uncertain

0.36

Eigen_PC

Uncertain

0.39

FATHMM_MKL

Uncertain

0.92

LIST_S2

Benign

0.83

.;T;T

MetaRNN

Benign

0.0069

T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.88

L;L;.

MutationTaster

Benign

1.0

D;D

PrimateAI

Uncertain

0.76

PROVEAN

Uncertain

-2.9

D;.;D

REVEL

Benign

0.13

Sift

Benign

0.070

T;.;T

Sift4G

Benign

0.33

T;.;T

Polyphen

1.0

D;D;.

Vest4

0.61

MVP

0.34

MPC

0.59

ClinPred

0.015

GERP RS

5.0

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.28

gMVP

0.45

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