rs3810201

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_145046.5(CALR3):c.28G>A(p.Ala10Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000591 in 1,606,156 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Synonymous variant affecting the same amino acid position (i.e. A10A) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000061 ( 0 hom. )

Consequence

CALR3
NM_145046.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.24

Publications

3 publications found

Variant links:

Genes affected

CALR3 (HGNC:20407): (calreticulin 3) The protein encoded by this gene belongs to the calreticulin family, members of which are calcium-binding chaperones localized mainly in the endoplasmic reticulum. This protein is also localized to the endoplasmic reticulum lumen, however, its capacity for calcium-binding may be absent or much lower than other family members. This gene is specifically expressed in the testis, and may be required for sperm fertility. Mutation in this gene has been associated with familial hypertrophic cardiomyopathy. [provided by RefSeq, Dec 2011]

CALR3 Gene-Disease associations (from GenCC):

hypertrophic cardiomyopathy
Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

CALR3 links:

ENSG00000141979 (HGNC:):

ENSG00000141979 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.09847644).

BS2

High AC in GnomAd4 at 6 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CALR3	NM_145046.5 link	c.28G>A	p.Ala10Thr	missense_variant	Exon 1 of 9	ENST00000269881.8	NP_659483.2	Q96L12A0A140VJF7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
CALR3	ENST00000269881.8 link	c.28G>A	p.Ala10Thr	missense_variant	Exon 1 of 9	1	NM_145046.5	ENSP00000269881.3	Q96L12
ENSG00000141979	ENST00000409035.1 link	n.*380-250G>A		intron_variant	Intron 7 of 11	2		ENSP00000386951.2	B8ZZF3
CALR3	ENST00000600762.1 link	c.16G>A	p.Ala6Thr	missense_variant	Exon 1 of 4	3		ENSP00000471533.1	M0R0Y8

Frequencies

GnomAD3 genomes

AF:

0.0000394

AC:

AN:

152220

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00115

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:

0.0000128

AC:

AN:

235078

AF XY:

0.0000157

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000169

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000612

AC:

AN:

1453818

Hom.:

Cov.:

AF XY:

0.0000595

AC XY:

AN XY:

722466

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33340

American (AMR)

AF:

0.00

AC:

AN:

43794

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25818

East Asian (EAS)

AF:

0.00216

AC:

AN:

39422

South Asian (SAS)

AF:

0.0000236

AC:

AN:

84850

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52562

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5520

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1108496

Other (OTH)

AF:

0.0000333

AC:

AN:

60016

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.494

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000394

AC:

AN:

152338

Hom.:

Cov.:

AF XY:

0.0000403

AC XY:

AN XY:

74508

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41586

American (AMR)

AF:

0.00

AC:

AN:

15298

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00116

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68026

Other (OTH)

AF:

0.00

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.0000712

Hom.:

Bravo

AF:

0.0000189

ExAC

AF:

0.00000824

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Hypertrophic cardiomyopathy 19

Uncertain:1

Oct 13, 2023

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This sequence change replaces alanine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 10 of the CALR3 protein (p.Ala10Thr). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with CALR3-related conditions. ClinVar contains an entry for this variant (Variation ID: 539146). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt CALR3 protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.12

BayesDel_addAF

Benign

-0.29

BayesDel_noAF

Benign

-0.39

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.090

Eigen

Benign

-0.56

Eigen_PC

Benign

-0.64

FATHMM_MKL

Benign

0.090

LIST_S2

Benign

0.60

M_CAP

Benign

0.020

MetaRNN

Benign

0.098

MetaSVM

Benign

-1.1

MutationAssessor

Benign

2.0

PhyloP100

1.2

PrimateAI

Benign

0.48

PROVEAN

Benign

-0.64

REVEL

Benign

0.043

Sift

Benign

0.22

Sift4G

Benign

0.17

Polyphen

0.68

Vest4

0.34

MutPred

0.38

Gain of helix (P = 0.062);

MVP

0.31

MPC

0.26

ClinPred

0.36

GERP RS

3.2

PromoterAI

-0.083

Neutral

(source)

Varity_R

0.085

gMVP

0.48

Mutation Taster

=92/8

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over