rs61736350

Variant names:

Variant summary

Our verdict is Benign. The variant received -14 ACMG points: 0P and 14B. BP4_StrongBP6BP7BS1BS2

The NM_001160372.4(TRAPPC9):c.588T>C(p.His196His) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00063 in 1,614,102 control chromosomes in the GnomAD database, including 5 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0027 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00041 ( 5 hom. )

Consequence

TRAPPC9
NM_001160372.4 synonymous

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:3

Conservation

PhyloP100: 0.0830

Publications

0 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: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics
intellectual disability-obesity-brain malformations-facial dysmorphism syndrome
Inheritance: AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
autosomal recessive non-syndromic intellectual disability
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

TRAPPC9 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -14 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.52).

BP6

Variant 8-140439194-A-G is Benign according to our data. Variant chr8-140439194-A-G is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 212438.

BP7

Synonymous conserved (PhyloP=0.083 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00273 (416/152294) while in subpopulation AFR AF = 0.00859 (357/41558). AF 95% confidence interval is 0.00786. There are 0 homozygotes in GnomAd4. There are 208 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High Homozygotes in GnomAdExome4 at 5 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TRAPPC9	NM_001160372.4 link	c.588T>C	p.His196His	synonymous_variant	Exon 3 of 23	ENST00000438773.4	NP_001153844.1	Q96Q05-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
TRAPPC9	ENST00000438773.4 link	c.588T>C	p.His196His	synonymous_variant	Exon 3 of 23	1	NM_001160372.4	ENSP00000405060.3	Q96Q05-1
TRAPPC9	ENST00000520857.5 link	c.144T>C	p.His48His	synonymous_variant	Exon 2 of 21	1		ENSP00000430116.1	H0YBR0
TRAPPC9	ENST00000648948.2 link	c.588T>C	p.His196His	synonymous_variant	Exon 3 of 23			ENSP00000498020.1	Q96Q05-1

Frequencies

GnomAD3 genomes

AF:

0.00270

AC:

411

AN:

152176

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00850

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00275

Gnomad ASJ

AF:

0.000576

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00633

Gnomad NFE

AF:

0.000132

Gnomad OTH

AF:

0.00143

GnomAD2 exomes

AF:

0.000761

AC:

190

AN:

249730

AF XY:

0.000614

show subpopulations

Gnomad AFR exome

AF:

0.00764

Gnomad AMR exome

AF:

0.000753

Gnomad ASJ exome

AF:

0.000800

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000222

Gnomad OTH exome

AF:

0.00131

GnomAD4 exome

AF:

0.000411

AC:

601

AN:

1461808

Hom.:

Cov.:

AF XY:

0.000377

AC XY:

274

AN XY:

727212

show subpopulations

African (AFR)

AF:

0.00983

AC:

329

AN:

33480

American (AMR)

AF:

0.00127

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.000727

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000696

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.0000187

AC:

AN:

53368

Middle Eastern (MID)

AF:

0.00278

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.0000764

AC:

AN:

1111986

Other (OTH)

AF:

0.00146

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.478

Heterozygous variant carriers

118

148

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

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:

0.00273

AC:

416

AN:

152294

Hom.:

Cov.:

AF XY:

0.00279

AC XY:

208

AN XY:

74444

show subpopulations

African (AFR)

AF:

0.00859

AC:

357

AN:

41558

American (AMR)

AF:

0.00275

AC:

AN:

15294

Ashkenazi Jewish (ASJ)

AF:

0.000576

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.000207

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10612

Middle Eastern (MID)

AF:

0.00680

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000132

AC:

AN:

68030

Other (OTH)

AF:

0.00142

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.505

Heterozygous variant carriers

100

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.00149

Hom.:

Bravo

AF:

0.00314

Asia WGS

AF:

0.00115

AC:

AN:

3478

EpiCase

AF:

0.000164

EpiControl

AF:

0.000296

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:3

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Benign:2

Jan 27, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Mar 01, 2024

CeGaT Center for Human Genetics Tuebingen

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

TRAPPC9: BP4, BP7 -

not specified

Uncertain:1

Feb 04, 2015

Genetic Services Laboratory, University of Chicago

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Intellectual Disability, Recessive

Uncertain:1

Jun 14, 2016

Illumina Laboratory Services, Illumina

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Inborn genetic diseases

Benign:1

Jun 01, 2016

Ambry Genetics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.52

CADD

Benign

3.5

(source)

DANN

Benign

0.45

PhyloP100

0.083

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over