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GeneBe

3-74285479-T-G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_020872.3(CNTN3):ā€‹c.2530A>Cā€‹(p.Asn844His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000124 in 1,610,376 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 31)
Exomes š‘“: 6.9e-7 ( 0 hom. )

Consequence

CNTN3
NM_020872.3 missense

Scores

4
15

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.07
Variant links:
Genes affected
CNTN3 (HGNC:2173): (contactin 3) Predicted to be involved in cell adhesion and nervous system development. Predicted to be located in extracellular region and plasma membrane. Predicted to be active in neuron projection. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.31428722).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CNTN3NM_020872.3 linkuse as main transcriptc.2530A>C p.Asn844His missense_variant 20/23 ENST00000263665.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CNTN3ENST00000263665.7 linkuse as main transcriptc.2530A>C p.Asn844His missense_variant 20/231 NM_020872.3 P1

Frequencies

GnomAD3 genomes
AF:
0.00000660
AC:
1
AN:
151620
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000405
AC:
1
AN:
246852
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
133488
show subpopulations
Gnomad AFR exome
AF:
0.0000624
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.86e-7
AC:
1
AN:
1458756
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
725706
show subpopulations
Gnomad4 AFR exome
AF:
0.0000301
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000660
AC:
1
AN:
151620
Hom.:
0
Cov.:
31
AF XY:
0.0000135
AC XY:
1
AN XY:
74000
show subpopulations
Gnomad4 AFR
AF:
0.0000242
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
ExAC
AF:
0.00000824
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.27
BayesDel_addAF
Benign
-0.33
T
BayesDel_noAF
Benign
-0.54
CADD
Benign
17
DANN
Uncertain
1.0
DEOGEN2
Benign
0.054
T
Eigen
Benign
-0.11
Eigen_PC
Benign
-0.19
FATHMM_MKL
Uncertain
0.79
D
LIST_S2
Benign
0.70
T
M_CAP
Benign
0.0089
T
MetaRNN
Benign
0.31
T
MetaSVM
Benign
-0.89
T
MutationAssessor
Uncertain
2.1
M
MutationTaster
Benign
0.99
D
PrimateAI
Benign
0.35
T
PROVEAN
Benign
-0.94
N
REVEL
Benign
0.099
Sift
Uncertain
0.027
D
Sift4G
Benign
0.078
T
Polyphen
0.73
P
Vest4
0.32
MutPred
0.43
Loss of catalytic residue at N844 (P = 0.0799);
MVP
0.72
MPC
0.25
ClinPred
0.19
T
GERP RS
1.3
Varity_R
0.069
gMVP
0.42

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs755270789; hg19: chr3-74334630; API