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GeneBe

3-74299911-T-C

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBA1

The NM_020872.3(CNTN3):ā€‹c.2123A>Gā€‹(p.Asn708Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0688 in 1,603,772 control chromosomes in the GnomAD database, including 4,930 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (ā˜…). Another nucleotide change resulting in same amino acid change has been previously reported as Likely benignin UniProt.

Frequency

Genomes: š‘“ 0.081 ( 615 hom., cov: 32)
Exomes š‘“: 0.067 ( 4315 hom. )

Consequence

CNTN3
NM_020872.3 missense

Scores

1
17

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 3.58
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0014759898).
BP6
Variant 3-74299911-T-C is Benign according to our data. Variant chr3-74299911-T-C is described in ClinVar as [Benign]. Clinvar id is 3056967.Status of the report is criteria_provided_single_submitter, 1 stars.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.218 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CNTN3NM_020872.3 linkuse as main transcriptc.2123A>G p.Asn708Ser missense_variant 17/23 ENST00000263665.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CNTN3ENST00000263665.7 linkuse as main transcriptc.2123A>G p.Asn708Ser missense_variant 17/231 NM_020872.3 P1

Frequencies

GnomAD3 genomes
AF:
0.0808
AC:
12291
AN:
152038
Hom.:
614
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.106
Gnomad AMI
AF:
0.0307
Gnomad AMR
AF:
0.0857
Gnomad ASJ
AF:
0.0565
Gnomad EAS
AF:
0.230
Gnomad SAS
AF:
0.102
Gnomad FIN
AF:
0.0580
Gnomad MID
AF:
0.0981
Gnomad NFE
AF:
0.0569
Gnomad OTH
AF:
0.0907
GnomAD3 exomes
AF:
0.0841
AC:
20576
AN:
244768
Hom.:
1199
AF XY:
0.0839
AC XY:
11094
AN XY:
132298
show subpopulations
Gnomad AFR exome
AF:
0.105
Gnomad AMR exome
AF:
0.0932
Gnomad ASJ exome
AF:
0.0508
Gnomad EAS exome
AF:
0.228
Gnomad SAS exome
AF:
0.113
Gnomad FIN exome
AF:
0.0550
Gnomad NFE exome
AF:
0.0569
Gnomad OTH exome
AF:
0.0824
GnomAD4 exome
AF:
0.0675
AC:
97981
AN:
1451616
Hom.:
4315
Cov.:
30
AF XY:
0.0684
AC XY:
49341
AN XY:
721664
show subpopulations
Gnomad4 AFR exome
AF:
0.105
Gnomad4 AMR exome
AF:
0.0915
Gnomad4 ASJ exome
AF:
0.0480
Gnomad4 EAS exome
AF:
0.234
Gnomad4 SAS exome
AF:
0.110
Gnomad4 FIN exome
AF:
0.0554
Gnomad4 NFE exome
AF:
0.0567
Gnomad4 OTH exome
AF:
0.0779
GnomAD4 genome
AF:
0.0809
AC:
12307
AN:
152156
Hom.:
615
Cov.:
32
AF XY:
0.0824
AC XY:
6132
AN XY:
74382
show subpopulations
Gnomad4 AFR
AF:
0.106
Gnomad4 AMR
AF:
0.0857
Gnomad4 ASJ
AF:
0.0565
Gnomad4 EAS
AF:
0.229
Gnomad4 SAS
AF:
0.102
Gnomad4 FIN
AF:
0.0580
Gnomad4 NFE
AF:
0.0569
Gnomad4 OTH
AF:
0.0974
Alfa
AF:
0.0695
Hom.:
1030
Bravo
AF:
0.0856
TwinsUK
AF:
0.0531
AC:
197
ALSPAC
AF:
0.0615
AC:
237
ESP6500AA
AF:
0.106
AC:
465
ESP6500EA
AF:
0.0550
AC:
473
ExAC
AF:
0.0856
AC:
10392
Asia WGS
AF:
0.194
AC:
674
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

CNTN3-related disorder Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesNov 18, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.76
T
BayesDel_noAF
Benign
-0.72
CADD
Benign
15
DANN
Benign
0.49
DEOGEN2
Benign
0.020
T
Eigen
Benign
-0.70
Eigen_PC
Benign
-0.43
FATHMM_MKL
Benign
0.22
N
LIST_S2
Uncertain
0.86
D
MetaRNN
Benign
0.0015
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
-2.2
N
MutationTaster
Benign
0.99
P
PrimateAI
Benign
0.37
T
PROVEAN
Benign
0.61
N
REVEL
Benign
0.19
Sift
Benign
1.0
T
Sift4G
Benign
1.0
T
Polyphen
0.0
B
Vest4
0.015
MPC
0.19
ClinPred
0.00097
T
GERP RS
2.7
Varity_R
0.055
gMVP
0.29

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: rs626578; hg19: chr3-74349062; COSMIC: COSV55166111; API