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GeneBe

3-74285307-G-A

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_020872.3(CNTN3):​c.2702C>T​(p.Thr901Met) variant causes a missense, splice region change. The variant allele was found at a frequency of 0.0096 in 1,601,278 control chromosomes in the GnomAD database, including 89 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0080 ( 8 hom., cov: 31)
Exomes 𝑓: 0.0098 ( 81 hom. )

Consequence

CNTN3
NM_020872.3 missense, splice_region

Scores

2
16
Splicing: ADA: 0.01614
2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 3.83
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 Benign. Variant got -10 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.004834354).
BP6
Variant 3-74285307-G-A is Benign according to our data. Variant chr3-74285307-G-A is described in ClinVar as [Benign]. Clinvar id is 774423.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High Homozygotes in GnomAd4 at 8 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CNTN3NM_020872.3 linkuse as main transcriptc.2702C>T p.Thr901Met missense_variant, splice_region_variant 20/23 ENST00000263665.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CNTN3ENST00000263665.7 linkuse as main transcriptc.2702C>T p.Thr901Met missense_variant, splice_region_variant 20/231 NM_020872.3 P1

Frequencies

GnomAD3 genomes
AF:
0.00806
AC:
1225
AN:
151986
Hom.:
8
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00152
Gnomad AMI
AF:
0.0396
Gnomad AMR
AF:
0.00531
Gnomad ASJ
AF:
0.00202
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00146
Gnomad FIN
AF:
0.0138
Gnomad MID
AF:
0.00637
Gnomad NFE
AF:
0.0128
Gnomad OTH
AF:
0.00575
GnomAD3 exomes
AF:
0.00823
AC:
1956
AN:
237704
Hom.:
19
AF XY:
0.00820
AC XY:
1060
AN XY:
129228
show subpopulations
Gnomad AFR exome
AF:
0.00101
Gnomad AMR exome
AF:
0.00283
Gnomad ASJ exome
AF:
0.00132
Gnomad EAS exome
AF:
0.000117
Gnomad SAS exome
AF:
0.00274
Gnomad FIN exome
AF:
0.0132
Gnomad NFE exome
AF:
0.0132
Gnomad OTH exome
AF:
0.00835
GnomAD4 exome
AF:
0.00976
AC:
14150
AN:
1449174
Hom.:
81
Cov.:
30
AF XY:
0.00955
AC XY:
6888
AN XY:
721480
show subpopulations
Gnomad4 AFR exome
AF:
0.00108
Gnomad4 AMR exome
AF:
0.00299
Gnomad4 ASJ exome
AF:
0.00170
Gnomad4 EAS exome
AF:
0.000102
Gnomad4 SAS exome
AF:
0.00302
Gnomad4 FIN exome
AF:
0.0131
Gnomad4 NFE exome
AF:
0.0113
Gnomad4 OTH exome
AF:
0.00852
GnomAD4 genome
AF:
0.00805
AC:
1224
AN:
152104
Hom.:
8
Cov.:
31
AF XY:
0.00792
AC XY:
589
AN XY:
74344
show subpopulations
Gnomad4 AFR
AF:
0.00152
Gnomad4 AMR
AF:
0.00531
Gnomad4 ASJ
AF:
0.00202
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00146
Gnomad4 FIN
AF:
0.0138
Gnomad4 NFE
AF:
0.0128
Gnomad4 OTH
AF:
0.00569
Alfa
AF:
0.0105
Hom.:
19
Bravo
AF:
0.00717
TwinsUK
AF:
0.00809
AC:
30
ALSPAC
AF:
0.00934
AC:
36
ESP6500AA
AF:
0.00159
AC:
7
ESP6500EA
AF:
0.0113
AC:
97
ExAC
AF:
0.00928
AC:
1126
Asia WGS
AF:
0.000866
AC:
3
AN:
3478

ClinVar

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

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeDec 31, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.62
T
BayesDel_noAF
Benign
-0.65
CADD
Uncertain
23
DANN
Uncertain
0.99
DEOGEN2
Benign
0.12
T
Eigen
Benign
-0.54
Eigen_PC
Benign
-0.41
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Benign
0.54
T
MetaRNN
Benign
0.0048
T
MetaSVM
Benign
-0.96
T
MutationAssessor
Benign
0.46
N
MutationTaster
Benign
0.74
D
PrimateAI
Benign
0.45
T
PROVEAN
Benign
-1.4
N
REVEL
Benign
0.090
Sift
Benign
0.034
D
Sift4G
Benign
0.090
T
Polyphen
0.0040
B
Vest4
0.21
MVP
0.49
MPC
0.25
ClinPred
0.018
T
GERP RS
2.1
Varity_R
0.030
gMVP
0.39

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.016
dbscSNV1_RF
Benign
0.18
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: rs141921900; hg19: chr3-74334458; API