NM_001286176.2:c.2498A>G

Variant names:

• chr12-22469744-T-C
• rs781195596
• NM_001286176.2:c.2498A>G

Variant summary

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

The NM_001286176.2(C2CD5):​c.2498A>G​(p.Asp833Gly) variant causes a missense change. The variant allele was found at a frequency of 0.00000275 in 1,454,192 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D833E) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000028 (0 hom.)
• Consequence: C2CD5 NM_001286176.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 3.98
• Publications: 0 publications found

Genes affected

C2CD5 (HGNC:29062): (C2 calcium dependent domain containing 5) Enables calcium ion binding activity and calcium-dependent phospholipid binding activity. Involved in cellular response to insulin stimulus; intracellular protein transmembrane transport; and positive regulation of transport. Located in several cellular components, including centriolar satellite; cytoplasmic vesicle membrane; and ruffle membrane. [provided by Alliance of Genome Resources, Apr 2022]

C2CD5-AS1 (HGNC:55961): (C2CD5 antisense RNA 1)

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=0.21350232).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001286176.2. 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
	C2CD5	NM_001286176.2	MANE Select	c.2498A>G	p.Asp833Gly	missense	Exon 22 of 27	NP_001273105.1	Q86YS7-3
	C2CD5	NM_001385322.1		c.2690A>G	p.Asp897Gly	missense	Exon 23 of 28	NP_001372251.1
	C2CD5	NM_001385323.1		c.2537A>G	p.Asp846Gly	missense	Exon 23 of 28	NP_001372252.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	C2CD5	ENST00000446597.6	TSL:1 MANE Select	c.2498A>G	p.Asp833Gly	missense	Exon 22 of 27	ENSP00000388756.1	Q86YS7-3
	C2CD5	ENST00000536386.5	TSL:1	c.2504A>G	p.Asp835Gly	missense	Exon 23 of 28	ENSP00000439392.1	Q86YS7-4
	C2CD5	ENST00000396028.6	TSL:1	c.2471A>G	p.Asp824Gly	missense	Exon 22 of 27	ENSP00000379345.2	Q86YS7-2

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD2 exomes AF: 0.00000818 AC: 2 AN: 244446 AF XY: 0.00000755

Gnomad AFR exome AF: 0.0000639

Gnomad AMR exome AF: 0.0000301

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000275 AC: 4 AN: 1454192 Hom.: 0 Cov.: 28 AF XY: 0.00000415 AC XY: 3 AN XY: 723398

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 32928

American (AMR) AF: 0.0000456 AC: 2 AN: 43840

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25940

East Asian (EAS) AF: 0.00 AC: 0 AN: 38846

South Asian (SAS) AF: 0.00 AC: 0 AN: 85214

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53216

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5740

European-Non Finnish (NFE) AF: 0.00000180 AC: 2 AN: 1108422

Other (OTH) AF: 0.00 AC: 0 AN: 60046

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.0261725), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.0000151

ExAC AF: 0.00000824 AC: 1

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	Benign	0.23
BayesDel_addAF	Benign	-0.093	T
BayesDel_noAF	Benign	-0.19
CADD	Pathogenic	27
DANN	Uncertain	0.99
DEOGEN2	Benign	0.063	T
Eigen	Uncertain	0.26
Eigen_PC	Uncertain	0.34
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Uncertain	0.94	D
M_CAP	Benign	0.023	T
MetaRNN	Benign	0.21	T
MetaSVM	Benign	-0.82	T
MutationAssessor	Uncertain	2.2	M
PhyloP100		4.0
PrimateAI	Uncertain	0.61	T
PROVEAN	Uncertain	-2.4	N
REVEL	Benign	0.15
Sift	Benign	0.14	T
Sift4G	Benign	0.20	T
Polyphen		0.46	P
Vest4		0.31
MutPred		0.21		Gain of catalytic residue at L830 (P = 0.0061)
MVP		0.72
MPC		0.57
ClinPred		0.33	T
GERP RS		4.9
Varity_R		0.22
gMVP		0.44
Mutation Taster		=72/28	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.20		Details are displayed if max score is > 0.2
DS_DG_spliceai		0.20		Position offset: 1

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Other links and lift over

dbSNP: rs781195596; hg19: chr12-22622678;