Variant chr4-183693658-G-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_021942.6(TRAPPC11):c.2307G>T(p.Met769Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,858 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

TRAPPC11
NM_021942.6 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.78

Variant links:

Genes affected

TRAPPC11 (HGNC:25751): (trafficking protein particle complex subunit 11) The protein encoded by this gene is a subunit of the TRAPP (transport protein particle) tethering complex, which functions in intracellular vesicle trafficking. This subunit is involved in early stage endoplasmic reticulum-to-Golgi vesicle transport. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Jan 2013]

TRAPPC11 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
TRAPPC11	NM_021942.6 linkuse as main transcript	c.2307G>T	p.Met769Ile	missense_variant	21/30	ENST00000334690.11	NP_068761.4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
TRAPPC11	ENST00000334690.11 linkuse as main transcript	c.2307G>T	p.Met769Ile	missense_variant	21/30	1	NM_021942.6	ENSP00000335371	P1	Q7Z392-1
TRAPPC11	ENST00000357207.8 linkuse as main transcript	c.2307G>T	p.Met769Ile	missense_variant	21/31	1		ENSP00000349738		Q7Z392-3
TRAPPC11	ENST00000512476.1 linkuse as main transcript	c.1125G>T	p.Met375Ile	missense_variant	10/19	1		ENSP00000421004
TRAPPC11	ENST00000505676.5 linkuse as main transcript	c.*421G>T		3_prime_UTR_variant, NMD_transcript_variant	9/19	1		ENSP00000422915

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461858

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727224

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:

8.99e-7

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

Autosomal recessive limb-girdle muscular dystrophy type R18

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jul 03, 2017

In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with TRAPPC11-related disease. This variant is not present in population databases (ExAC no frequency). This sequence change replaces methionine with isoleucine at codon 769 of the TRAPPC11 protein (p.Met769Ile). The methionine residue is highly conserved and there is a small physicochemical difference between methionine and isoleucine. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.47

BayesDel_addAF

Pathogenic

0.37

BayesDel_noAF

Pathogenic

0.29

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Benign

0.015

T;.;T

Eigen

Uncertain

0.55

Eigen_PC

Uncertain

0.64

FATHMM_MKL

Pathogenic

1.0

LIST_S2

Uncertain

0.88

D;D;D

M_CAP

Benign

0.0058

MetaRNN

Uncertain

0.57

D;D;D

MetaSVM

Benign

-0.77

MutationAssessor

Uncertain

2.2

M;M;.

MutationTaster

Benign

1.0

D;D;D

PrimateAI

Uncertain

0.66

PROVEAN

Benign

-0.79

N;N;N

REVEL

Benign

0.26

Sift

Benign

0.12

T;T;T

Sift4G

Benign

0.20

T;T;T

Polyphen

0.14

B;D;D

Vest4

0.81

MutPred

0.34

Gain of sheet (P = 0.0344);Gain of sheet (P = 0.0344);.;

MVP

0.54

MPC

0.20

ClinPred

0.71

GERP RS

5.4

Varity_R

0.24

gMVP

0.49

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.050

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