chr3-122282024-C-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_000388.4(CASR):​c.1609-89C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.656 in 1,586,760 control chromosomes in the GnomAD database, including 348,569 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.56 ( 26503 hom., cov: 32)
Exomes 𝑓: 0.67 ( 322066 hom. )

Consequence

CASR
NM_000388.4 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: 0.368
Variant links:
Genes affected
CASR (HGNC:1514): (calcium sensing receptor) The protein encoded by this gene is a plasma membrane G protein-coupled receptor that senses small changes in circulating calcium concentration. The encoded protein couples this information to intracellular signaling pathways that modify parathyroid hormone secretion or renal cation handling, and thus this protein plays an essential role in maintaining mineral ion homeostasis. Mutations in this gene are a cause of familial hypocalciuric hypercalcemia, neonatal severe hyperparathyroidism, and autosomal dominant hypocalcemia. [provided by RefSeq, Aug 2017]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.74).
BP6
Variant 3-122282024-C-T is Benign according to our data. Variant chr3-122282024-C-T is described in ClinVar as [Benign]. Clinvar id is 1192651.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-122282024-C-T is described in Lovd as [Benign].
BA1
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.704 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CASRNM_000388.4 linkuse as main transcriptc.1609-89C>T intron_variant ENST00000639785.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CASRENST00000639785.2 linkuse as main transcriptc.1609-89C>T intron_variant 1 NM_000388.4 P1P41180-1
CASRENST00000498619.4 linkuse as main transcriptc.1609-59C>T intron_variant 1 P41180-2
CASRENST00000490131.7 linkuse as main transcriptc.1378-89C>T intron_variant 5
CASRENST00000638421.1 linkuse as main transcriptc.1609-89C>T intron_variant 5 P1P41180-1

Frequencies

GnomAD3 genomes
AF:
0.563
AC:
85609
AN:
151978
Hom.:
26505
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.285
Gnomad AMI
AF:
0.545
Gnomad AMR
AF:
0.605
Gnomad ASJ
AF:
0.775
Gnomad EAS
AF:
0.557
Gnomad SAS
AF:
0.722
Gnomad FIN
AF:
0.677
Gnomad MID
AF:
0.763
Gnomad NFE
AF:
0.681
Gnomad OTH
AF:
0.625
GnomAD4 exome
AF:
0.665
AC:
954660
AN:
1434662
Hom.:
322066
AF XY:
0.671
AC XY:
477952
AN XY:
712644
show subpopulations
Gnomad4 AFR exome
AF:
0.273
Gnomad4 AMR exome
AF:
0.572
Gnomad4 ASJ exome
AF:
0.773
Gnomad4 EAS exome
AF:
0.566
Gnomad4 SAS exome
AF:
0.739
Gnomad4 FIN exome
AF:
0.679
Gnomad4 NFE exome
AF:
0.675
Gnomad4 OTH exome
AF:
0.668
GnomAD4 genome
AF:
0.563
AC:
85631
AN:
152098
Hom.:
26503
Cov.:
32
AF XY:
0.566
AC XY:
42040
AN XY:
74340
show subpopulations
Gnomad4 AFR
AF:
0.285
Gnomad4 AMR
AF:
0.605
Gnomad4 ASJ
AF:
0.775
Gnomad4 EAS
AF:
0.557
Gnomad4 SAS
AF:
0.724
Gnomad4 FIN
AF:
0.677
Gnomad4 NFE
AF:
0.681
Gnomad4 OTH
AF:
0.623
Alfa
AF:
0.606
Hom.:
5828
Bravo
AF:
0.544
Asia WGS
AF:
0.611
AC:
2124
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingGeneDxMar 03, 2015- -
Autosomal dominant hypocalcemia 1 Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabJul 14, 2021- -
Familial hypocalciuric hypercalcemia 1 Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabJul 14, 2021- -
Neonatal severe primary hyperparathyroidism Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabJul 14, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.74
CADD
Benign
6.9
DANN
Benign
0.76

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.

Other links and lift over

dbSNP: rs4678174; hg19: chr3-122000871; COSMIC: COSV56139987; API