NM_018340.3:c.870C>G

Variant names:

• chr16-12664961-G-C
• rs1596435000
• NM_018340.3:c.870C>G

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2 PP3_Strong

The NM_018340.3(CPPED1):​c.870C>G​(p.His290Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000754 in 1,458,906 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000075 (0 hom.)
• Consequence: CPPED1 NM_018340.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: -0.235
• Publications: 0 publications found

Genes affected

CPPED1 (HGNC:25632): (calcineurin like phosphoesterase domain containing 1) Predicted to enable metal ion binding activity; protein serine phosphatase activity; and protein threonine phosphatase activity. Predicted to be involved in protein dephosphorylation. Located in cytosol and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.963

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_018340.3. 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
	CPPED1	NM_018340.3	MANE Select	c.870C>G	p.His290Gln	missense	Exon 4 of 4	NP_060810.2	Q9BRF8-1
	CPPED1	NM_001099455.2		c.444C>G	p.His148Gln	missense	Exon 3 of 3	NP_001092925.1	Q9BRF8-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CPPED1	ENST00000381774.9	TSL:1 MANE Select	c.870C>G	p.His290Gln	missense	Exon 4 of 4	ENSP00000371193.4	Q9BRF8-1
	CPPED1	ENST00000433677.6	TSL:1	c.444C>G	p.His148Gln	missense	Exon 3 of 3	ENSP00000411127.2	Q9BRF8-2
	CPPED1	ENST00000898262.1		c.915C>G	p.His305Gln	missense	Exon 5 of 5	ENSP00000568321.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 0.00000754 AC: 11 AN: 1458906 Hom.: 0 Cov.: 34 AF XY: 0.0000110 AC XY: 8 AN XY: 725934

African (AFR) AF: 0.00 AC: 0 AN: 33172

American (AMR) AF: 0.00 AC: 0 AN: 43706

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26108

East Asian (EAS) AF: 0.00 AC: 0 AN: 39616

South Asian (SAS) AF: 0.00 AC: 0 AN: 85928

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53382

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5760

European-Non Finnish (NFE) AF: 0.00000990 AC: 11 AN: 1110974

Other (OTH) AF: 0.00 AC: 0 AN: 60260

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.64
BayesDel_addAF	Pathogenic	0.42	D
BayesDel_noAF	Pathogenic	0.37
CADD	Benign	17
DANN	Uncertain	0.98
DEOGEN2	Benign	0.057	T
Eigen	Benign	-0.39
Eigen_PC	Benign	-0.60
FATHMM_MKL	Benign	0.52	D
LIST_S2	Uncertain	0.88	D
M_CAP	Benign	0.017	T
MetaRNN	Pathogenic	0.96	D
MetaSVM	Benign	-0.70	T
MutationAssessor	Uncertain	2.8	M
PhyloP100		-0.23
PrimateAI	Uncertain	0.61	T
PROVEAN	Pathogenic	-5.8	D
REVEL	Uncertain	0.56
Sift	Benign	0.066	T
Sift4G	Benign	0.061	T
Polyphen		0.98	D
Vest4		0.82
MutPred		0.78		Gain of helix (P = 0.0325)
MVP		0.49
MPC		0.33
ClinPred		1.0	D
GERP RS		-4.8
Varity_R		0.44
gMVP		0.45
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: rs1596435000; hg19: chr16-12758818;