rs563050274

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS1

The NM_001160372.4(TRAPPC9):​c.3148C>T​(p.Arg1050Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000164 in 1,606,920 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1050Q) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00017 ( 0 hom. )

Consequence

TRAPPC9
NM_001160372.4 missense

Scores

3
15

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:4B:1

Conservation

PhyloP100: 1.92

Publications

3 publications found
Variant links:
Genes affected
TRAPPC9 (HGNC:30832): (trafficking protein particle complex subunit 9) This gene encodes a protein that likely plays a role in NF-kappa-B signaling. Mutations in this gene have been associated with autosomal-recessive cognitive disability. Alternatively spliced transcript variants have been described.[provided by RefSeq, Feb 2010]
TRAPPC9 Gene-Disease associations (from GenCC):
  • intellectual disability, autosomal recessive 13
    Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae)
  • intellectual disability-obesity-brain malformations-facial dysmorphism syndrome
    Inheritance: AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, ClinGen
  • autosomal recessive non-syndromic intellectual disability
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.012692064).
BP6
Variant 8-139732110-G-A is Benign according to our data. Variant chr8-139732110-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 212431.
BS1
Variant frequency is greater than expected in population sas. GnomAd4 allele frequency = 0.000125 (19/152332) while in subpopulation SAS AF = 0.00352 (17/4832). AF 95% confidence interval is 0.00224. There are 0 homozygotes in GnomAd4. There are 15 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001160372.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TRAPPC9
NM_001160372.4
MANE Select
c.3148C>Tp.Arg1050Trp
missense
Exon 22 of 23NP_001153844.1Q96Q05-1
TRAPPC9
NM_001374682.1
c.3169C>Tp.Arg1057Trp
missense
Exon 23 of 24NP_001361611.1
TRAPPC9
NM_031466.8
c.3148C>Tp.Arg1050Trp
missense
Exon 22 of 23NP_113654.5

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TRAPPC9
ENST00000438773.4
TSL:1 MANE Select
c.3148C>Tp.Arg1050Trp
missense
Exon 22 of 23ENSP00000405060.3Q96Q05-1
TRAPPC9
ENST00000520857.5
TSL:1
c.2677C>Tp.Arg893Trp
missense
Exon 20 of 21ENSP00000430116.1H0YBR0
TRAPPC9
ENST00000521667.5
TSL:1
n.1553C>T
non_coding_transcript_exon
Exon 11 of 12

Frequencies

GnomAD3 genomes
AF:
0.000125
AC:
19
AN:
152214
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00352
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000325
AC:
76
AN:
234052
AF XY:
0.000432
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:
0.0000191
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000168
AC:
244
AN:
1454588
Hom.:
0
Cov.:
32
AF XY:
0.000252
AC XY:
182
AN XY:
722978
show subpopulations
African (AFR)
AF:
0.0000898
AC:
3
AN:
33390
American (AMR)
AF:
0.00
AC:
0
AN:
44034
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25932
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39412
South Asian (SAS)
AF:
0.00255
AC:
217
AN:
84960
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52002
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5620
European-Non Finnish (NFE)
AF:
0.0000126
AC:
14
AN:
1109204
Other (OTH)
AF:
0.000167
AC:
10
AN:
60034
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.490
Heterozygous variant carriers
0
16
32
47
63
79
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
4
8
12
16
20
<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:
0.000125
AC:
19
AN:
152332
Hom.:
0
Cov.:
33
AF XY:
0.000201
AC XY:
15
AN XY:
74478
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41576
American (AMR)
AF:
0.00
AC:
0
AN:
15312
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5164
South Asian (SAS)
AF:
0.00352
AC:
17
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10630
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68028
Other (OTH)
AF:
0.00
AC:
0
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.504
Heterozygous variant carriers
0
2
4
5
7
9
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:
0.00
Hom.:
0
Bravo
AF:
0.0000491
ExAC
AF:
0.000430
AC:
52

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
3
1
not provided (4)
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.082
BayesDel_addAF
Benign
-0.42
T
BayesDel_noAF
Benign
-0.37
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Benign
0.037
T
Eigen
Benign
-0.49
Eigen_PC
Benign
-0.30
FATHMM_MKL
Uncertain
0.76
D
LIST_S2
Uncertain
0.86
D
M_CAP
Benign
0.013
T
MetaRNN
Benign
0.013
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
-0.69
N
PhyloP100
1.9
PrimateAI
Benign
0.37
T
PROVEAN
Benign
-1.7
N
REVEL
Benign
0.080
Sift
Benign
0.20
T
Sift4G
Benign
0.19
T
Polyphen
0.0040
B
Vest4
0.32
MutPred
0.52
Loss of disorder (P = 0.0061)
MVP
0.24
MPC
0.27
ClinPred
0.090
T
GERP RS
2.2
Varity_R
0.045
gMVP
0.83
Mutation Taster
=74/26
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
Details are displayed if max score is > 0.2

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

Publications

Other links and lift over

dbSNP: rs563050274; hg19: chr8-140744353; API