chr8-140287691-G-A

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 0P and 1B. BP4

The NM_001160372.4(TRAPPC9):​c.1898C>T​(p.Ala633Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00038 in 1,614,170 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Synonymous variant affecting the same amino acid position (i.e. A633A) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00036 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00038 ( 1 hom. )

Consequence

TRAPPC9
NM_001160372.4 missense

Scores

3
9
6

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:6

Conservation

PhyloP100: 9.34

Publications

2 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: Likely_benign. The variant received -1 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.4021678).

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.1898C>Tp.Ala633Val
missense
Exon 13 of 23NP_001153844.1Q96Q05-1
TRAPPC9
NM_001374682.1
c.1919C>Tp.Ala640Val
missense
Exon 14 of 24NP_001361611.1
TRAPPC9
NM_031466.8
c.1898C>Tp.Ala633Val
missense
Exon 13 of 23NP_113654.5

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TRAPPC9
ENST00000438773.4
TSL:1 MANE Select
c.1898C>Tp.Ala633Val
missense
Exon 13 of 23ENSP00000405060.3Q96Q05-1
TRAPPC9
ENST00000520857.5
TSL:1
c.1427C>Tp.Ala476Val
missense
Exon 11 of 21ENSP00000430116.1H0YBR0
TRAPPC9
ENST00000521667.5
TSL:1
n.303C>T
non_coding_transcript_exon
Exon 2 of 12

Frequencies

GnomAD3 genomes
AF:
0.000361
AC:
55
AN:
152166
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000169
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000415
Gnomad FIN
AF:
0.000754
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.000514
Gnomad OTH
AF:
0.000480
GnomAD2 exomes
AF:
0.000422
AC:
106
AN:
251412
AF XY:
0.000412
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00153
Gnomad NFE exome
AF:
0.000528
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000382
AC:
558
AN:
1461888
Hom.:
1
Cov.:
32
AF XY:
0.000375
AC XY:
273
AN XY:
727244
show subpopulations
African (AFR)
AF:
0.0000896
AC:
3
AN:
33480
American (AMR)
AF:
0.0000224
AC:
1
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.000452
AC:
39
AN:
86258
European-Finnish (FIN)
AF:
0.00124
AC:
66
AN:
53416
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000373
AC:
415
AN:
1112010
Other (OTH)
AF:
0.000563
AC:
34
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.483
Heterozygous variant carriers
0
33
66
99
132
165
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
20
40
60
80
100
<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:
0.000361
AC:
55
AN:
152282
Hom.:
0
Cov.:
32
AF XY:
0.000295
AC XY:
22
AN XY:
74454
show subpopulations
African (AFR)
AF:
0.000168
AC:
7
AN:
41572
American (AMR)
AF:
0.0000654
AC:
1
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5188
South Asian (SAS)
AF:
0.000415
AC:
2
AN:
4818
European-Finnish (FIN)
AF:
0.000754
AC:
8
AN:
10604
Middle Eastern (MID)
AF:
0.00340
AC:
1
AN:
294
European-Non Finnish (NFE)
AF:
0.000514
AC:
35
AN:
68032
Other (OTH)
AF:
0.000475
AC:
1
AN:
2104
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.473
Heterozygous variant carriers
0
3
6
9
12
15
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:
0.000351
Hom.:
0
Bravo
AF:
0.000287
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000814
AC:
7
ExAC
AF:
0.000436
AC:
53
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000436
EpiControl
AF:
0.000296

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
3
-
Intellectual disability, autosomal recessive 13 (3)
-
2
-
not provided (2)
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.53
BayesDel_addAF
Uncertain
0.068
T
BayesDel_noAF
Pathogenic
0.21
CADD
Pathogenic
26
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.046
T
Eigen
Uncertain
0.51
Eigen_PC
Uncertain
0.49
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.95
D
M_CAP
Benign
0.038
D
MetaRNN
Benign
0.40
T
MetaSVM
Benign
-0.61
T
MutationAssessor
Benign
1.8
L
PhyloP100
9.3
PrimateAI
Uncertain
0.77
T
PROVEAN
Benign
-1.9
N
REVEL
Uncertain
0.44
Sift
Uncertain
0.010
D
Sift4G
Uncertain
0.023
D
Polyphen
1.0
D
Vest4
0.82
MVP
0.33
MPC
1.4
ClinPred
0.21
T
GERP RS
5.4
Varity_R
0.32
gMVP
0.52
Mutation Taster
=50/50

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs375300224; hg19: chr8-141297790; COSMIC: COSV101227207; API