chr5-37238879-C-T

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_001384732.1(CPLANE1):​c.916G>A​(p.Val306Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000664 in 1,520,996 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 30)
Exomes 𝑓: 0.000066 ( 0 hom. )

Consequence

CPLANE1
NM_001384732.1 missense

Scores

2
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:2

Conservation

PhyloP100: 0.503

Publications

1 publications found
Variant links:
Genes affected
CPLANE1 (HGNC:25801): (ciliogenesis and planar polarity effector complex subunit 1) The protein encoded by this gene has putative coiled-coil domains and may be a transmembrane protein. Defects in this gene are a cause of Joubert syndrome (JBTS). [provided by RefSeq, May 2012]
CPLANE1 Gene-Disease associations (from GenCC):
  • Joubert syndrome 17
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Laboratory for Molecular Medicine, ClinGen, G2P, Illumina, Labcorp Genetics (formerly Invitae)
  • orofaciodigital syndrome type 6
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, G2P
  • Joubert syndrome
    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 -2 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.14885399).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CPLANE1NM_001384732.1 linkc.916G>A p.Val306Met missense_variant Exon 8 of 53 ENST00000651892.2 NP_001371661.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CPLANE1ENST00000651892.2 linkc.916G>A p.Val306Met missense_variant Exon 8 of 53 NM_001384732.1 ENSP00000498265.2 A0A494BZW6

Frequencies

GnomAD3 genomes
AF:
0.0000660
AC:
10
AN:
151520
Hom.:
0
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.0000243
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000263
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000210
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000442
Gnomad OTH
AF:
0.000480
GnomAD2 exomes
AF:
0.0000357
AC:
5
AN:
140230
AF XY:
0.0000401
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:
0.0000602
Gnomad NFE exome
AF:
0.0000710
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000665
AC:
91
AN:
1369358
Hom.:
0
Cov.:
27
AF XY:
0.0000607
AC XY:
41
AN XY:
675302
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
29908
American (AMR)
AF:
0.000264
AC:
8
AN:
30336
Ashkenazi Jewish (ASJ)
AF:
0.0000415
AC:
1
AN:
24122
East Asian (EAS)
AF:
0.00
AC:
0
AN:
35082
South Asian (SAS)
AF:
0.0000136
AC:
1
AN:
73566
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
48652
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5518
European-Non Finnish (NFE)
AF:
0.0000732
AC:
78
AN:
1065684
Other (OTH)
AF:
0.0000531
AC:
3
AN:
56490
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.456
Heterozygous variant carriers
0
3
7
10
14
17
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:
0.0000659
AC:
10
AN:
151638
Hom.:
0
Cov.:
30
AF XY:
0.0000270
AC XY:
2
AN XY:
74080
show subpopulations
African (AFR)
AF:
0.0000242
AC:
1
AN:
41330
American (AMR)
AF:
0.000263
AC:
4
AN:
15236
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5158
South Asian (SAS)
AF:
0.000211
AC:
1
AN:
4750
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10524
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
292
European-Non Finnish (NFE)
AF:
0.0000442
AC:
3
AN:
67866
Other (OTH)
AF:
0.000475
AC:
1
AN:
2104
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.570
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

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:
0.000122
Hom.:
0
Bravo
AF:
0.0000264
ExAC
AF:
0.0000414
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:2
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Uncertain:1
Oct 17, 2022
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change replaces valine, which is neutral and non-polar, with methionine, which is neutral and non-polar, at codon 306 of the CPLANE1 protein (p.Val306Met). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with CPLANE1-related conditions. ClinVar contains an entry for this variant (Variation ID: 470167). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt CPLANE1 protein function. 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. -

CPLANE1-related disorder Uncertain:1
Sep 09, 2024
PreventionGenetics, part of Exact Sciences
Significance:Uncertain significance
Review Status:no assertion criteria provided
Collection Method:clinical testing

The CPLANE1 c.916G>A variant is predicted to result in the amino acid substitution p.Val306Met. To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.0084% of alleles in individuals of European (Non-Finnish) descent in gnomAD. At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.083
BayesDel_addAF
Benign
-0.13
T
BayesDel_noAF
Benign
-0.42
CADD
Benign
10
DANN
Uncertain
1.0
DEOGEN2
Benign
0.0074
T;T
Eigen
Benign
-0.042
Eigen_PC
Benign
-0.050
FATHMM_MKL
Benign
0.53
D
LIST_S2
Benign
0.67
.;T
M_CAP
Benign
0.012
T
MetaRNN
Benign
0.15
T;T
MetaSVM
Benign
-1.0
T
PhyloP100
0.50
PROVEAN
Benign
-0.86
N;N
REVEL
Benign
0.074
Sift
Benign
0.039
D;D
Sift4G
Uncertain
0.030
D;D
Vest4
0.21
MutPred
0.20
Loss of sheet (P = 0.0181);Loss of sheet (P = 0.0181);
MVP
0.49
MPC
0.23
ClinPred
0.073
T
GERP RS
3.6
Varity_R
0.041
gMVP
0.066
Mutation Taster
=86/14
polymorphism

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

Other links and lift over

dbSNP: rs776434510; hg19: chr5-37238981; COSMIC: COSV99951993; API