Genetic Variant NM_005831.5:c.376C>A (chr17-48848414-C-A) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_005831.5(CALCOCO2):c.376C>A(p.Arg126Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,618 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts 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. R126C) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

CALCOCO2
NM_005831.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.534

Publications

0 publications found

Variant links:

Genes affected

CALCOCO2 (HGNC:29912): (calcium binding and coiled-coil domain 2) This gene encodes a coiled-coil domain-containing protein. The encoded protein functions as a receptor for ubiquitin-coated bacteria and plays an important role in innate immunity by mediating macroautophagy. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, May 2012]

CALCOCO2 links:

ENSG00000293025 (HGNC:):

ENSG00000293025 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.3328594).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005831.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CALCOCO2	NM_005831.5	MANE Select	c.376C>A	p.Arg126Ser	missense	Exon 4 of 13	NP_005822.1	Q13137-1
CALCOCO2	NM_001261390.2		c.448C>A	p.Arg150Ser	missense	Exon 5 of 14	NP_001248319.1	Q13137-4
CALCOCO2	NM_001261391.2		c.439C>A	p.Arg147Ser	missense	Exon 5 of 14	NP_001248320.1	Q13137-3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CALCOCO2	ENST00000258947.8	TSL:1 MANE Select	c.376C>A	p.Arg126Ser	missense	Exon 4 of 13	ENSP00000258947.3	Q13137-1
CALCOCO2	ENST00000448105.7	TSL:2	c.448C>A	p.Arg150Ser	missense	Exon 5 of 14	ENSP00000398523.2	Q13137-4
CALCOCO2	ENST00000509507.5	TSL:2	c.439C>A	p.Arg147Ser	missense	Exon 5 of 14	ENSP00000424352.1	Q13137-3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461618

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727116

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:

33472

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39692

South Asian (SAS)

AF:

0.00

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111776

Other (OTH)

AF:

0.00

AC:

AN:

60388

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.325

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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.39

BayesDel_addAF

Benign

-0.060

BayesDel_noAF

Benign

-0.32

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.058

Eigen

Benign

0.057

Eigen_PC

Benign

0.037

FATHMM_MKL

Benign

0.74

LIST_S2

Benign

0.76

M_CAP

Benign

0.018

MetaRNN

Benign

0.33

MetaSVM

Benign

-0.83

MutationAssessor

Uncertain

2.6

PhyloP100

0.53

PrimateAI

Benign

0.30

PROVEAN

Uncertain

-3.3

REVEL

Benign

0.14

Sift

Uncertain

0.012

Sift4G

Uncertain

0.027

Polyphen

0.46

Vest4

0.57

MutPred

0.56

Gain of disorder (P = 0.0587)

MVP

0.29

MPC

0.69

ClinPred

0.98

GERP RS

3.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.70

gMVP

0.38

Mutation Taster

=60/40

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over