NM_021942.6:c.3029A>T

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_021942.6(TRAPPC11):​c.3029A>T​(p.Glu1010Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000289 in 1,594,154 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000029 ( 0 hom. )

Consequence

TRAPPC11
NM_021942.6 missense

Scores

2
11
6

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 8.73

Publications

0 publications found
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 Gene-Disease associations (from GenCC):
  • autosomal recessive limb-girdle muscular dystrophy
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • autosomal recessive limb-girdle muscular dystrophy type R18
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Myriad Women’s Health, Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine, G2P, Orphanet
  • intellectual disability-hyperkinetic movement-truncal ataxia syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • triple-A syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TRAPPC11NM_021942.6 linkc.3029A>T p.Glu1010Val missense_variant Exon 27 of 30 ENST00000334690.11 NP_068761.4 Q7Z392-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TRAPPC11ENST00000334690.11 linkc.3029A>T p.Glu1010Val missense_variant Exon 27 of 30 1 NM_021942.6 ENSP00000335371.6 Q7Z392-1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152168
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000482
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000278
AC:
7
AN:
251392
AF XY:
0.0000294
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000616
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000291
AC:
42
AN:
1441986
Hom.:
0
Cov.:
29
AF XY:
0.0000293
AC XY:
21
AN XY:
717454
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33348
American (AMR)
AF:
0.00
AC:
0
AN:
44626
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25480
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39628
South Asian (SAS)
AF:
0.00
AC:
0
AN:
83488
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52446
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5660
European-Non Finnish (NFE)
AF:
0.0000364
AC:
40
AN:
1098114
Other (OTH)
AF:
0.0000338
AC:
2
AN:
59196
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.439
Heterozygous variant carriers
0
3
5
8
10
13
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152168
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74342
show subpopulations
African (AFR)
AF:
0.0000482
AC:
2
AN:
41452
American (AMR)
AF:
0.00
AC:
0
AN:
15278
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5176
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10612
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000294
AC:
2
AN:
68038
Other (OTH)
AF:
0.00
AC:
0
AN:
2088
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.563
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000675
Hom.:
0
Bravo
AF:
0.0000151
ExAC
AF:
0.0000165
AC:
2

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Apr 20, 2023
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.3029A>T (p.E1010V) alteration is located in exon 27 (coding exon 26) of the TRAPPC11 gene. This alteration results from a A to T substitution at nucleotide position 3029, causing the glutamic acid (E) at amino acid position 1010 to be replaced by a valine (V). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Autosomal recessive limb-girdle muscular dystrophy type R18 Uncertain:1
Aug 20, 2021
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change replaces glutamic acid with valine at codon 1010 of the TRAPPC11 protein (p.Glu1010Val). The glutamic acid residue is moderately conserved and there is a moderate physicochemical difference between glutamic acid and valine. This variant is present in population databases (rs773678506, ExAC 0.003%). This variant has not been reported in the literature in individuals affected with TRAPPC11-related conditions. 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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. 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. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.57
BayesDel_addAF
Uncertain
0.14
D
BayesDel_noAF
Uncertain
0.11
CADD
Pathogenic
33
DANN
Uncertain
0.99
DEOGEN2
Benign
0.035
T;.;T
Eigen
Uncertain
0.21
Eigen_PC
Benign
0.17
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.91
D;D;D
M_CAP
Benign
0.014
T
MetaRNN
Uncertain
0.65
D;D;D
MetaSVM
Benign
-0.59
T
MutationAssessor
Uncertain
2.2
M;M;.
PhyloP100
8.7
PrimateAI
Uncertain
0.61
T
PROVEAN
Benign
-2.3
N;D;D
REVEL
Uncertain
0.33
Sift
Uncertain
0.0040
D;D;D
Sift4G
Uncertain
0.018
D;D;D
Polyphen
0.67
P;P;D
Vest4
0.79
MVP
0.29
MPC
0.39
ClinPred
0.52
D
GERP RS
4.9
Varity_R
0.15
gMVP
0.49
Mutation Taster
=59/41
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.46
Details are displayed if max score is > 0.2
DS_DG_spliceai
0.46
Position offset: -2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs773678506; hg19: chr4-184626197; API