NM_145046.5:c.398-6T>C

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS2

The NM_145046.5(CALR3):​c.398-6T>C variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00127 in 1,567,112 control chromosomes in the GnomAD database, including 4 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0011 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0013 ( 4 hom. )

Consequence

CALR3
NM_145046.5 splice_region, intron

Scores

2
Splicing: ADA: 0.00008256
2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 2.37
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.53).
BP6
Variant 19-16485263-A-G is Benign according to our data. Variant chr19-16485263-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 220700.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-16485263-A-G is described in Lovd as [Likely_benign]. Variant chr19-16485263-A-G is described in Lovd as [Benign].
BS2
High AC in GnomAd4 at 172 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CALR3NM_145046.5 linkc.398-6T>C splice_region_variant, intron_variant Intron 3 of 8 ENST00000269881.8 NP_659483.2 Q96L12A0A140VJF7

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CALR3ENST00000269881.8 linkc.398-6T>C splice_region_variant, intron_variant Intron 3 of 8 1 NM_145046.5 ENSP00000269881.3 Q96L12
ENSG00000141979ENST00000409035.1 linkn.*482-2478T>C intron_variant Intron 8 of 11 2 ENSP00000386951.2 B8ZZF3
CALR3ENST00000600762.1 linkc.182-6T>C splice_region_variant, intron_variant Intron 2 of 3 3 ENSP00000471533.1 M0R0Y8

Frequencies

GnomAD3 genomes
AF:
0.00113
AC:
172
AN:
152164
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000197
Gnomad ASJ
AF:
0.000288
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00499
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.00150
Gnomad OTH
AF:
0.000956
GnomAD3 exomes
AF:
0.00122
AC:
304
AN:
248536
Hom.:
2
AF XY:
0.00109
AC XY:
147
AN XY:
134358
show subpopulations
Gnomad AFR exome
AF:
0.000187
Gnomad AMR exome
AF:
0.000290
Gnomad ASJ exome
AF:
0.000403
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00542
Gnomad NFE exome
AF:
0.00145
Gnomad OTH exome
AF:
0.00148
GnomAD4 exome
AF:
0.00128
AC:
1815
AN:
1414830
Hom.:
4
Cov.:
25
AF XY:
0.00122
AC XY:
864
AN XY:
706646
show subpopulations
Gnomad4 AFR exome
AF:
0.0000924
Gnomad4 AMR exome
AF:
0.000337
Gnomad4 ASJ exome
AF:
0.000310
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00474
Gnomad4 NFE exome
AF:
0.00138
Gnomad4 OTH exome
AF:
0.00104
GnomAD4 genome
AF:
0.00113
AC:
172
AN:
152282
Hom.:
0
Cov.:
32
AF XY:
0.00120
AC XY:
89
AN XY:
74454
show subpopulations
Gnomad4 AFR
AF:
0.000241
Gnomad4 AMR
AF:
0.000196
Gnomad4 ASJ
AF:
0.000288
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00499
Gnomad4 NFE
AF:
0.00150
Gnomad4 OTH
AF:
0.000946
Alfa
AF:
0.00114
Hom.:
0
Bravo
AF:
0.000748

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:7
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Hypertrophic cardiomyopathy 19 Benign:4
Sep 21, 2015
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

-
Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Jan 30, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jul 28, 2017
Genome Diagnostics Laboratory, University Medical Center Utrecht
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not specified Benign:2
-
Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

-
Clinical Genetics, Academic Medical Center
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

not provided Benign:1
Aug 23, 2017
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Variant summary: The CALR3 c.398-6T>C variant involves the alteration of a non-conserved intronic nucleotide. Mutation Taster predicts a damaging outcome for this variant. 5/5 splice prediction tools predict no significant impact on normal splicing. However, these predictions have yet to be confirmed by functional studies. This variant was found in 137/105290 control chromosomes from ExAC at a frequency of 0.0013012, which is approximately 52 times the estimated maximal expected allele frequency of a pathogenic CALR3 variant (0.000025), suggesting this variant is likely a benign polymorphism. In addition, one clinical diagnostic laboratory in ClinVar has classified this variant as benign. To our knowledge, this variant has not been reported in affected individuals in literature. Taken together, this variant is classified as benign. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.53
CADD
Benign
6.2
DANN
Benign
0.50

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000083
dbscSNV1_RF
Benign
0.0040
SpliceAI score (max)
0.20
Details are displayed if max score is > 0.2
DS_AL_spliceai
0.20
Position offset: -6

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: rs376479901; hg19: chr19-16596074; API