Genetic Variant CAPS:p.Ala85Gly (chr19-5914733-C-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_004058.5(CAPS):c.254C>G(p.Ala85Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000275 in 1,455,990 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/19 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A85V) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

CAPS
NM_004058.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.62

Publications

0 publications found

Variant links:

Genes affected

CAPS (HGNC:1487): (calcyphosine) This gene encodes a calcium-binding protein, which may play a role in the regulation of ion transport. A similar protein was first described as a potentially important regulatory protein in the dog thyroid and was termed as R2D5 antigen in rabbit. Alternative splicing of this gene generates two transcript variants. [provided by RefSeq, Jul 2008]

CAPS links:

ENSG00000267571 (HGNC:):

ENSG00000267571 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.25252822).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CAPS	NM_004058.5 link	c.254C>G	p.Ala85Gly	missense_variant	Exon 3 of 5	ENST00000588776.8	NP_004049.3	Q13938-4A0A384NYV7Q96ET4
CAPS	NM_080590.4 link	c.254C>G	p.Ala85Gly	missense_variant	Exon 3 of 5		NP_542157.3	Q13938

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CAPS	ENST00000588776.8 link	c.254C>G	p.Ala85Gly	missense_variant	Exon 3 of 5	1	NM_004058.5	ENSP00000465883.2		Q13938-4
ENSG00000267314	ENST00000588891.1 link	n.*349C>G		downstream_gene_variant		4		ENSP00000468419.1		K7ERU9

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000818

AC:

AN:

244606

AF XY:

0.0000151

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000275

AC:

AN:

1455990

Hom.:

Cov.:

AF XY:

0.00000414

AC XY:

AN XY:

723908

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33438

American (AMR)

AF:

0.00

AC:

AN:

44414

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25592

East Asian (EAS)

AF:

0.00

AC:

AN:

39666

South Asian (SAS)

AF:

0.0000352

AC:

AN:

85298

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52726

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5578

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1109120

Other (OTH)

AF:

0.0000166

AC:

AN:

60158

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.400

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.16

BayesDel_addAF

Benign

-0.20

BayesDel_noAF

Benign

-0.35

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.048

T;.;T

Eigen

Benign

-0.35

Eigen_PC

Benign

-0.25

FATHMM_MKL

Benign

0.69

LIST_S2

Uncertain

0.86

D;T;D

M_CAP

Benign

0.044

MetaRNN

Benign

0.25

T;T;T

MetaSVM

Benign

-0.87

PhyloP100

1.6

PrimateAI

Benign

0.48

REVEL

Benign

0.14

Sift4G

Benign

0.096

T;T;T

Vest4

0.12

MutPred

0.63

.;.;Loss of stability (P = 0.0722);

MVP

0.82

ClinPred

0.41

GERP RS

3.9

PromoterAI

-0.034

Neutral

(source)

Varity_R

0.091

Mutation Taster

=69/31

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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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chr19-5914733-C-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over