Genetic Variant NM_153634.3:c.626T>C (chr12-38762166-A-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_153634.3(CPNE8):c.626T>C(p.Val209Ala) variant causes a missense change. The variant allele was found at a frequency of 0.000076 in 1,605,828 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000082 ( 0 hom. )

Consequence

CPNE8
NM_153634.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.04

Publications

0 publications found

Variant links:

Genes affected

CPNE8 (HGNC:23498): (copine 8) Calcium-dependent membrane-binding proteins may regulate molecular events at the interface of the cell membrane and cytoplasm. This gene is one of several genes that encode a calcium-dependent protein containing two N-terminal type II C2 domains and an integrin A domain-like sequence in the C-terminus. [provided by RefSeq, Jul 2008]

CPNE8 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_153634.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CPNE8	NM_153634.3	MANE Select	c.626T>C	p.Val209Ala	missense	Exon 9 of 20	NP_705898.1	Q86YQ8-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CPNE8	ENST00000331366.10	TSL:1 MANE Select	c.626T>C	p.Val209Ala	missense	Exon 9 of 20	ENSP00000329748.5	Q86YQ8-1
CPNE8	ENST00000360449.3	TSL:2	c.590T>C	p.Val197Ala	missense	Exon 9 of 20	ENSP00000353633.3	E7ENV7
CPNE8	ENST00000862791.1		c.626T>C	p.Val209Ala	missense	Exon 9 of 20	ENSP00000532850.1

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152184

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:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000441

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000325

AC:

AN:

246242

AF XY:

0.0000225

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:

0.0000712

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000819

AC:

119

AN:

1453644

Hom.:

Cov.:

AF XY:

0.0000816

AC XY:

AN XY:

723082

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33126

American (AMR)

AF:

0.00

AC:

AN:

43842

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25956

East Asian (EAS)

AF:

0.00

AC:

AN:

39196

South Asian (SAS)

AF:

0.0000118

AC:

AN:

84892

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53002

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5740

European-Non Finnish (NFE)

AF:

0.000103

AC:

114

AN:

1107816

Other (OTH)

AF:

0.0000666

AC:

AN:

60074

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.456

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:

0.0000197

AC:

AN:

152184

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74348

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41456

American (AMR)

AF:

0.00

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10606

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.0000441

AC:

AN:

68026

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

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:

0.0000768

Hom.:

Bravo

AF:

0.0000227

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.00

AC:

ExAC

AF:

0.0000165

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.28

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.26

CADD

Uncertain

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.18

Eigen

Benign

-0.027

Eigen_PC

Benign

0.090

FATHMM_MKL

Uncertain

0.89

LIST_S2

Uncertain

0.88

M_CAP

Benign

0.045

MetaRNN

Uncertain

0.44

MetaSVM

Benign

-0.67

MutationAssessor

Uncertain

2.5

PhyloP100

6.0

PrimateAI

Uncertain

0.71

PROVEAN

Benign

-1.4

REVEL

Benign

0.14

Sift

Benign

0.17

Sift4G

Benign

0.18

Polyphen

0.040

Vest4

0.40

MVP

0.71

MPC

0.74

ClinPred

0.22

GERP RS

4.0

Varity_R

0.091

gMVP

0.36

Mutation Taster

=67/33

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over