2-231282066-C-T

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP5

The NM_001352754.2(ARMC9):​c.1559C>T​(p.Pro520Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00000684 in 1,461,754 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely pathogenic (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P520S) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000068 ( 0 hom. )

Consequence

ARMC9
NM_001352754.2 missense

Scores

1
12
6

Clinical Significance

Pathogenic/Likely pathogenic no assertion criteria provided P:3

Conservation

PhyloP100: 4.37

Publications

3 publications found
Variant links:
Genes affected
ARMC9 (HGNC:20730): (armadillo repeat containing 9) Predicted to be involved in cilium assembly and positive regulation of smoothened signaling pathway. Located in centriole and ciliary basal body. Implicated in Joubert syndrome 30. [provided by Alliance of Genome Resources, Apr 2022]
ARMC9 Gene-Disease associations (from GenCC):
  • Joubert syndrome 30
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P, ClinGen
  • Joubert 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 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 2-231282066-C-T is Pathogenic according to our data. Variant chr2-231282066-C-T is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 427936.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ARMC9NM_001352754.2 linkc.1559C>T p.Pro520Leu missense_variant Exon 17 of 25 ENST00000611582.5 NP_001339683.2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ARMC9ENST00000611582.5 linkc.1559C>T p.Pro520Leu missense_variant Exon 17 of 25 5 NM_001352754.2 ENSP00000484804.1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD2 exomes
AF:
0.00000398
AC:
1
AN:
251422
AF XY:
0.00
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:
0.00000879
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000684
AC:
10
AN:
1461754
Hom.:
0
Cov.:
30
AF XY:
0.00000963
AC XY:
7
AN XY:
727174
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33478
American (AMR)
AF:
0.00
AC:
0
AN:
44720
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39694
South Asian (SAS)
AF:
0.0000580
AC:
5
AN:
86250
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53412
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000360
AC:
4
AN:
1111908
Other (OTH)
AF:
0.0000166
AC:
1
AN:
60390
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.505
Heterozygous variant carriers
0
1
2
2
3
4
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
Cov.:
32
Alfa
AF:
0.0000468
Hom.:
0

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:3
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

ARMC9-related Joubert syndrome Pathogenic:1
May 01, 2017
UW Hindbrain Malformation Research Program, University of Washington
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:research

- -

Joubert syndrome 30 Pathogenic:1
May 27, 2021
OMIM
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:literature only

- -

Joubert syndrome Pathogenic:1
-
University of Washington Center for Mendelian Genomics, University of Washington
Significance:Likely pathogenic
Review Status:no assertion criteria provided
Collection Method:research

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.47
BayesDel_addAF
Benign
-0.030
T
BayesDel_noAF
Benign
-0.28
CADD
Uncertain
25
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.48
.;T;T
Eigen
Uncertain
0.56
Eigen_PC
Uncertain
0.57
FATHMM_MKL
Uncertain
0.92
D
LIST_S2
Uncertain
0.95
D;D;.
M_CAP
Benign
0.024
T
MetaRNN
Uncertain
0.61
D;D;D
MetaSVM
Benign
-0.82
T
MutationAssessor
Uncertain
2.3
.;M;M
PhyloP100
4.4
PrimateAI
Uncertain
0.74
T
PROVEAN
Pathogenic
-5.0
D;.;.
REVEL
Benign
0.15
Sift
Uncertain
0.017
D;.;.
Sift4G
Uncertain
0.038
D;D;D
Polyphen
0.98
.;D;D
Vest4
0.63
MutPred
0.43
Loss of catalytic residue at P520 (P = 0.0264);Loss of catalytic residue at P520 (P = 0.0264);Loss of catalytic residue at P520 (P = 0.0264);
MVP
0.74
MPC
0.45
ClinPred
0.98
D
GERP RS
4.6
Varity_R
0.18
gMVP
0.58
Mutation Taster
=31/69
disease causing (ClinVar)

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.060
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: rs1114167449; hg19: chr2-232146779; API