Genetic Variant CDH4:p.Arg118Trp (chr20-61743745-C-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_001794.5(CDH4):c.352C>T(p.Arg118Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000304 in 1,609,884 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000030 ( 0 hom. )

Consequence

CDH4
NM_001794.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.32

Variant links:

Genes affected

CDH4 (HGNC:1763): (cadherin 4) This gene is a classical cadherin from the cadherin superfamily. The encoded protein is a calcium-dependent cell-cell adhesion glycoprotein comprised of five extracellular cadherin repeats, a transmembrane region and a highly conserved cytoplasmic tail. Based on studies in chicken and mouse, this cadherin is thought to play an important role during brain segmentation and neuronal outgrowth. In addition, a role in kidney and muscle development is indicated. Of particular interest are studies showing stable cis-heterodimers of cadherins 2 and 4 in cotransfected cell lines. Previously thought to interact in an exclusively homophilic manner, this is the first evidence of cadherin heterodimerization. Three transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2011]

CDH4 links:

ENSG00000225106 (HGNC:40139):

ENSG00000225106 links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2

High AC in GnomAd4 at 5 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CDH4	NM_001794.5 link	c.352C>T	p.Arg118Trp	missense_variant	Exon 3 of 16	ENST00000614565.5	NP_001785.2	P55283-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CDH4	ENST00000614565.5 link	c.352C>T	p.Arg118Trp	missense_variant	Exon 3 of 16	1	NM_001794.5	ENSP00000484928.1		P55283-1

Frequencies

GnomAD3 genomes

AF:

0.0000329

AC:

AN:

152190

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000724

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.000288

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000670

AC:

AN:

238712

Hom.:

AF XY:

0.0000540

AC XY:

AN XY:

129568

show subpopulations

Gnomad AFR exome

AF:

0.000199

Gnomad AMR exome

AF:

0.000148

Gnomad ASJ exome

AF:

0.000205

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000342

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000373

Gnomad OTH exome

AF:

0.000171

GnomAD4 exome

AF:

0.0000302

AC:

AN:

1457576

Hom.:

Cov.:

AF XY:

0.0000345

AC XY:

AN XY:

724576

show subpopulations

Gnomad4 AFR exome

AF:

0.000120

Gnomad4 AMR exome

AF:

0.000136

Gnomad4 ASJ exome

AF:

0.0000768

Gnomad4 EAS exome

AF:

0.0000758

Gnomad4 SAS exome

AF:

0.000153

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000117

Gnomad4 OTH exome

AF:

0.0000332

GnomAD4 genome

AF:

0.0000328

AC:

AN:

152308

Hom.:

Cov.:

AF XY:

0.0000671

AC XY:

AN XY:

74476

show subpopulations

Gnomad4 AFR

AF:

0.0000722

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.000288

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000207

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000567

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000577

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Nov 15, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.352C>T (p.R118W) alteration is located in exon 3 (coding exon 3) of the CDH4 gene. This alteration results from a C to T substitution at nucleotide position 352, causing the arginine (R) at amino acid position 118 to be replaced by a tryptophan (W). 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

0.11

BayesDel_addAF

Pathogenic

0.22

BayesDel_noAF

Uncertain

0.080

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.22

T;.

Eigen

Uncertain

0.30

Eigen_PC

Uncertain

0.27

FATHMM_MKL

Benign

0.69

LIST_S2

Uncertain

0.91

D;D

M_CAP

Benign

0.071

MetaRNN

Uncertain

0.61

D;D

MetaSVM

Benign

-0.71

MutationAssessor

Benign

2.0

M;.

PrimateAI

Uncertain

0.60

PROVEAN

Benign

-2.1

.;N

REVEL

Uncertain

0.34

Sift

Uncertain

0.0080

.;D

Sift4G

Uncertain

0.029

D;T

Polyphen

1.0

D;.

Vest4

0.80

MVP

0.81

ClinPred

0.13

GERP RS

4.0

Varity_R

0.12

gMVP

0.58

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over