3-1148058-C-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The ENST00000446702.7(CNTN6):​c.50C>A​(p.Ser17Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000171 in 1,606,470 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00018 ( 0 hom. )

Consequence

CNTN6
ENST00000446702.7 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.235
Variant links:
Genes affected
CNTN6 (HGNC:2176): (contactin 6) The protein encoded by this gene is a member of the immunoglobulin superfamily. It is a glycosylphosphatidylinositol (GPI)-anchored neuronal membrane protein that functions as a cell adhesion molecule. It may play a role in the formation of axon connections in the developing nervous system. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2014]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.06064552).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CNTN6NM_001289080.2 linkuse as main transcriptc.50C>A p.Ser17Tyr missense_variant 2/23 ENST00000446702.7 NP_001276009.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CNTN6ENST00000446702.7 linkuse as main transcriptc.50C>A p.Ser17Tyr missense_variant 2/231 NM_001289080.2 ENSP00000407822 P1
CNTN6ENST00000350110.2 linkuse as main transcriptc.50C>A p.Ser17Tyr missense_variant 2/231 ENSP00000341882 P1
CNTN6ENST00000394261.2 linkuse as main transcriptc.39C>A p.Phe13Leu missense_variant, NMD_transcript_variant 2/81 ENSP00000377804
CNTN6ENST00000397479.6 linkuse as main transcriptc.*193+54938C>A intron_variant, NMD_transcript_variant 2 ENSP00000380616

Frequencies

GnomAD3 genomes
AF:
0.0000921
AC:
14
AN:
152050
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000656
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:
0.000176
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000877
AC:
22
AN:
250936
Hom.:
0
AF XY:
0.0000811
AC XY:
11
AN XY:
135646
show subpopulations
Gnomad AFR exome
AF:
0.0000616
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:
0.0000463
Gnomad NFE exome
AF:
0.000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000179
AC:
260
AN:
1454420
Hom.:
0
Cov.:
28
AF XY:
0.000173
AC XY:
125
AN XY:
723864
show subpopulations
Gnomad4 AFR exome
AF:
0.00
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:
0.0000188
Gnomad4 NFE exome
AF:
0.000228
Gnomad4 OTH exome
AF:
0.000117
GnomAD4 genome
AF:
0.0000921
AC:
14
AN:
152050
Hom.:
0
Cov.:
33
AF XY:
0.0000943
AC XY:
7
AN XY:
74258
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.0000656
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000176
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000234
Hom.:
0
Bravo
AF:
0.0000831
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ExAC
AF:
0.0000412
AC:
5

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsApr 15, 2024The c.50C>A (p.S17Y) alteration is located in exon 2 (coding exon 1) of the CNTN6 gene. This alteration results from a C to A substitution at nucleotide position 50, causing the serine (S) at amino acid position 17 to be replaced by a tyrosine (Y). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.15
BayesDel_addAF
Benign
-0.38
T
BayesDel_noAF
Benign
-0.52
CADD
Benign
15
DANN
Benign
0.52
DEOGEN2
Benign
0.12
T;T
Eigen
Benign
-0.99
Eigen_PC
Benign
-0.77
FATHMM_MKL
Benign
0.24
N
LIST_S2
Benign
0.34
.;T
M_CAP
Benign
0.0093
T
MetaRNN
Benign
0.061
T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.69
N;N
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.35
T
PROVEAN
Benign
0.12
N;N
REVEL
Benign
0.062
Sift
Benign
0.77
T;T
Sift4G
Benign
1.0
T;T
Polyphen
0.0
B;B
Vest4
0.089
MVP
0.46
MPC
0.0042
ClinPred
0.017
T
GERP RS
1.0
Varity_R
0.030
gMVP
0.27

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs762441056; hg19: chr3-1189742; API