Genetic Variant CLRN3:p.Pro126Leu (chr10-127883728-G-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PP3_ModerateBS2

The NM_152311.5(CLRN3):c.377C>T(p.Pro126Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00022 in 1,613,800 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00018 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00022 ( 3 hom. )

Consequence

CLRN3
NM_152311.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.32

Variant links:

Genes affected

CLRN3 (HGNC:20795): (clarin 3) Located in extracellular exosome. [provided by Alliance of Genome Resources, Apr 2022]

CLRN3 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.848

BS2

High Homozygotes in GnomAdExome4 at 3 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CLRN3	NM_152311.5 link	c.377C>T	p.Pro126Leu	missense_variant	Exon 2 of 3	ENST00000368671.4	NP_689524.1
CLRN3	XM_011539274.3 link	c.230-5308C>T		intron_variant	Intron 1 of 1		XP_011537576.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CLRN3	ENST00000368671.4 link	c.377C>T	p.Pro126Leu	missense_variant	Exon 2 of 3	1	NM_152311.5	ENSP00000357660.3		Q8NCR9-1

Frequencies

GnomAD3 genomes

AF:

0.000178

AC:

AN:

152030

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000196

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00125

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000265

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000258

AC:

AN:

251472

Hom.:

AF XY:

0.000272

AC XY:

AN XY:

135916

show subpopulations

Gnomad AFR exome

AF:

0.000123

Gnomad AMR exome

AF:

0.0000867

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00114

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000211

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000224

AC:

328

AN:

1461652

Hom.:

Cov.:

AF XY:

0.000241

AC XY:

175

AN XY:

727152

show subpopulations

Gnomad4 AFR exome

AF:

0.0000896

Gnomad4 AMR exome

AF:

0.000134

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000504

Gnomad4 SAS exome

AF:

0.00129

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000171

Gnomad4 OTH exome

AF:

0.000265

GnomAD4 genome

AF:

0.000177

AC:

AN:

152148

Hom.:

Cov.:

AF XY:

0.000161

AC XY:

AN XY:

74394

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.000196

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00125

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000265

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000134

Hom.:

Bravo

AF:

0.000144

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.000259

AC:

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.000233

AC:

ExAC

AF:

0.000264

AC:

Asia WGS

AF:

0.000866

AC:

AN:

3478

EpiCase

AF:

0.0000545

EpiControl

AF:

0.0000593

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Mar 25, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.377C>T (p.P126L) alteration is located in exon 2 (coding exon 2) of the CLRN3 gene. This alteration results from a C to T substitution at nucleotide position 377, causing the proline (P) at amino acid position 126 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

Benign

0.33

BayesDel_addAF

Uncertain

0.14

BayesDel_noAF

Pathogenic

0.38

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Benign

0.26

Eigen

Uncertain

0.55

Eigen_PC

Uncertain

0.43

FATHMM_MKL

Uncertain

0.92

LIST_S2

Benign

0.83

M_CAP

Uncertain

0.13

MetaRNN

Pathogenic

0.85

MetaSVM

Pathogenic

0.83

MutationAssessor

Uncertain

2.8

PrimateAI

Uncertain

0.48

PROVEAN

Pathogenic

-9.7

REVEL

Pathogenic

0.77

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0

Polyphen

1.0

Vest4

0.79

MVP

0.92

MPC

0.35

ClinPred

0.95

GERP RS

5.2

Varity_R

0.72

gMVP

0.81

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.050

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