Genetic Variant CNKSR3:p.Phe519Leu (chr6-154406465-G-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

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

The NM_173515.4(CNKSR3):c.1557C>A(p.Phe519Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000366 in 1,614,062 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00016 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000023 ( 0 hom. )

Consequence

CNKSR3
NM_173515.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.26

Variant links:

Genes affected

CNKSR3 (HGNC:23034): (CNKSR family member 3) Predicted to be involved in negative regulation of ERK1 and ERK2 cascade; negative regulation of peptidyl-serine phosphorylation; and positive regulation of sodium ion transport. Predicted to act upstream of or within positive regulation of sodium ion transmembrane transporter activity. Predicted to be located in apical plasma membrane and cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

CNKSR3 links:

ENSG00000288520 (HGNC:):

ENSG00000288520 links:

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=0.14404932).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CNKSR3	NM_173515.4 link	c.1557C>A	p.Phe519Leu	missense_variant	Exon 13 of 13	ENST00000607772.6	NP_775786.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
CNKSR3	ENST00000607772.6 link	c.1557C>A	p.Phe519Leu	missense_variant	Exon 13 of 13	1	NM_173515.4	ENSP00000475915.1	Q6P9H4-1
CNKSR3	ENST00000479339.5 link	c.1317C>A	p.Phe439Leu	missense_variant	Exon 13 of 13	1		ENSP00000418975.1	A0A5H1ZRR2
ENSG00000288520	ENST00000673182.1 link	c.1369+3878C>A		intron_variant	Intron 12 of 21			ENSP00000499846.1
CNKSR3	ENST00000433165.6 link	n.1345C>A		non_coding_transcript_exon_variant	Exon 10 of 10	1

Frequencies

GnomAD3 genomes

AF:

0.000164

AC:

AN:

152170

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000604

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

GnomAD2 exomes

AF:

0.0000398

AC:

AN:

251436

AF XY:

0.0000221

show subpopulations

Gnomad AFR exome

AF:

0.000615

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS 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:

0.0000233

AC:

AN:

1461892

Hom.:

Cov.:

AF XY:

0.0000234

AC XY:

AN XY:

727248

show subpopulations

African (AFR)

AF:

0.000896

AC:

AN:

33480

American (AMR)

AF:

0.0000224

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000180

AC:

AN:

1112010

Other (OTH)

AF:

0.0000166

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.472

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000164

AC:

AN:

152170

Hom.:

Cov.:

AF XY:

0.000188

AC XY:

AN XY:

74354

show subpopulations

African (AFR)

AF:

0.000604

AC:

AN:

41408

American (AMR)

AF:

0.00

AC:

AN:

15282

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5198

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68032

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.499

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000102

Hom.:

Bravo

AF:

0.000200

ESP6500AA

AF:

0.00136

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000576

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Aug 05, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.1557C>A (p.F519L) alteration is located in exon 13 (coding exon 13) of the CNKSR3 gene. This alteration results from a C to A substitution at nucleotide position 1557, causing the phenylalanine (F) at amino acid position 519 to be replaced by a leucine (L). 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

Pathogenic

0.86

BayesDel_addAF

Benign

-0.35

BayesDel_noAF

Benign

-0.33

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.068

T;.

Eigen

Benign

0.16

Eigen_PC

Uncertain

0.25

FATHMM_MKL

Uncertain

0.93

LIST_S2

Uncertain

0.87

D;.

M_CAP

Benign

0.015

MetaRNN

Benign

0.14

T;T

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.0

M;.

PROVEAN

Benign

-0.84

.;N

REVEL

Benign

0.13

Sift

Uncertain

0.010

.;D

Sift4G

Benign

0.44

T;T

Polyphen

0.45

P;.

Vest4

0.38

MutPred

0.70

Loss of catalytic residue at F519 (P = 0.108);.;

MVP

0.56

MPC

0.56

ClinPred

0.094

GERP RS

3.8

Varity_R

0.22

gMVP

0.35

Mutation Taster

=89/11

polymorphism

(source)

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.

chr6-154406465-G-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over