dbSNP rs41287500: CALHM1:p.Met323Ile (chr10-103455334-C-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_001001412.4(CALHM1):c.969G>T(p.Met323Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000744 in 1,613,610 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 34)

Exomes 𝑓: 0.0000075 ( 0 hom. )

Consequence

CALHM1
NM_001001412.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.275

Publications

9 publications found

Variant links:

Genes affected

CALHM1 (HGNC:23494): (calcium homeostasis modulator 1) This gene encodes a calcium channel that plays a role in processing of amyloid-beta precursor protein. A polymorphism at this locus has been reported to be associated with susceptibility to late-onset Alzheimer's disease in some populations, but the pathogenicity of this polymorphism is unclear.[provided by RefSeq, Mar 2010]

CALHM1 links:

ENSG00000234699 (HGNC:):

ENSG00000234699 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0441536).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CALHM1	NM_001001412.4 link	c.969G>T	p.Met323Ile	missense_variant	Exon 2 of 2	ENST00000329905.6	NP_001001412.3	Q8IU99
LOC124902494	XR_007062275.1 link	n.794+2098C>A		intron_variant	Intron 1 of 1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CALHM1	ENST00000329905.6 link	c.969G>T	p.Met323Ile	missense_variant	Exon 2 of 2	1	NM_001001412.4	ENSP00000329926.6		Q8IU99
ENSG00000234699	ENST00000411906.2 link	n.1170+2098C>A		intron_variant	Intron 1 of 1	2

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152266

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:

0.00

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.0000200

AC:

AN:

249428

AF XY:

0.0000222

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:

0.00000890

Gnomad OTH exome

AF:

0.000493

GnomAD4 exome

AF:

0.00000753

AC:

AN:

1461226

Hom.:

Cov.:

AF XY:

0.00000825

AC XY:

AN XY:

726958

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44708

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26118

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000348

AC:

AN:

86236

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52884

Middle Eastern (MID)

AF:

0.00104

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111958

Other (OTH)

AF:

0.0000166

AC:

AN:

60376

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.534

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:

0.00000656

AC:

AN:

152384

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74526

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41594

American (AMR)

AF:

0.00

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68040

Other (OTH)

AF:

0.000473

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00000793

Hom.:

136

ExAC

AF:

0.0000165

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Benign

-0.47

BayesDel_noAF

Benign

-0.81

CADD

Benign

(source)

DANN

Benign

0.77

DEOGEN2

Benign

0.010

Eigen

Benign

-0.75

Eigen_PC

Benign

-0.62

FATHMM_MKL

Benign

0.027

LIST_S2

Benign

0.55

M_CAP

Benign

0.0091

MetaRNN

Benign

0.044

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.0

PhyloP100

-0.28

PrimateAI

Benign

0.32

PROVEAN

Benign

-0.33

REVEL

Benign

0.14

Sift

Benign

0.42

Sift4G

Benign

0.50

Polyphen

0.0

Vest4

0.019

MutPred

0.30

Loss of disorder (P = 0.0511);

MVP

0.10

MPC

0.17

ClinPred

0.033

GERP RS

3.7

Varity_R

0.22

gMVP

0.18

Mutation Taster

=100/0

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over