10-103458349-C-G

Variant names:

• chr10-103458349-C-G
• rs144583782
• NM_001001412.4:c.403G>C

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_001001412.4(CALHM1):​c.403G>C​(p.Val135Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,458,440 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V135M) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 6.9e-7 (0 hom.)
• Consequence: CALHM1 NM_001001412.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 2.38
• Publications: 0 publications found

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]

ENSG00000234699 (HGNC:):

ACMG classification

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=0.07363999).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001001412.4. 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
	CALHM1	NM_001001412.4	MANE Select	c.403G>C	p.Val135Leu	missense	Exon 1 of 2	NP_001001412.3	Q8IU99

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CALHM1	ENST00000329905.6	TSL:1 MANE Select	c.403G>C	p.Val135Leu	missense	Exon 1 of 2	ENSP00000329926.6	Q8IU99
	ENSG00000234699	ENST00000411906.2	TSL:2	n.1171-4081C>G		intron	N/A

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 6.86e-7 AC: 1 AN: 1458440 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 725268

African (AFR) AF: 0.00 AC: 0 AN: 33386

American (AMR) AF: 0.00 AC: 0 AN: 44536

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26004

East Asian (EAS) AF: 0.00 AC: 0 AN: 39632

South Asian (SAS) AF: 0.00 AC: 0 AN: 86062

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 52198

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5764

European-Non Finnish (NFE) AF: 9.00e-7 AC: 1 AN: 1110614

Other (OTH) AF: 0.00 AC: 0 AN: 60244

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.12
BayesDel_addAF	Benign	-0.28	T
BayesDel_noAF	Benign	-0.64
CADD	Benign	13
DANN	Benign	0.72
DEOGEN2	Benign	0.022	T
Eigen	Benign	-0.81
Eigen_PC	Benign	-0.70
FATHMM_MKL	Benign	0.43	N
LIST_S2	Benign	0.82	T
M_CAP	Benign	0.0045	T
MetaRNN	Benign	0.074	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	0.14	N
PhyloP100		2.4
PrimateAI	Uncertain	0.64	T
PROVEAN	Benign	-0.36	N
REVEL	Benign	0.078
Sift	Benign	0.46	T
Sift4G	Benign	0.98	T
Polyphen		0.0010	B
Vest4		0.060
MutPred		0.45		Loss of catalytic residue at V135 (P = 0.0702)
MVP		0.048
MPC		0.16
ClinPred		0.38	T
GERP RS		4.4
Varity_R		0.065
gMVP		0.64
Mutation Taster		=89/11	polymorphism

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

Other links and lift over

dbSNP: rs144583782; hg19: chr10-105218106;