21-41899316-G-T

Variant names:

• chr21-41899316-G-T
• rs142724154
• NM_015500.2:c.1607C>A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_015500.2(C2CD2):​c.1607C>A​(p.Thr536Lys) variant causes a missense change. The variant allele was found at a frequency of 0.00000657 in 152,178 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/20 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: 32)
  • Exomes 𝑓: 0.0 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: C2CD2 NM_015500.2 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 3.92

Genes affected

C2CD2 (HGNC:1266): (C2 calcium dependent domain containing 2) Located in cytosol and nucleus. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.11267999).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
C2CD2	NM_015500.2	c.1607C>A	p.Thr536Lys	missense_variant	Exon 13 of 14	ENST00000380486.4	NP_056315.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
C2CD2	ENST00000380486.4	c.1607C>A	p.Thr536Lys	missense_variant	Exon 13 of 14	1	NM_015500.2	ENSP00000369853.3

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152178 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0000654

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: 0.00

GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0 AN: 1457646 Hom.: 0 Cov.: 33 AF XY: 0.00 AC XY: 0 AN XY: 725314

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152178 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74330

Gnomad4 AFR AF: 0.00

Gnomad4 AMR AF: 0.0000654

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.00

Gnomad4 OTH AF: 0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.14
BayesDel_addAF	Benign	-0.0017	T
BayesDel_noAF	Benign	-0.24
CADD	Benign	14
DANN	Benign	0.71
DEOGEN2	Benign	0.080	.;T
Eigen	Benign	-1.1
Eigen_PC	Benign	-1.0
FATHMM_MKL	Uncertain	0.92	D
LIST_S2	Benign	0.76	T;T
M_CAP	Benign	0.050	D
MetaRNN	Benign	0.11	T;T
MetaSVM	Benign	-0.91	T
PrimateAI	Benign	0.29	T
PROVEAN	Benign	-1.1	N;N
REVEL	Uncertain	0.32
Sift	Uncertain	0.0020	D;D
Sift4G	Uncertain	0.0050	D;D
Polyphen		0.0010	.;B
Vest4		0.090
MutPred		0.27		.;Gain of ubiquitination at T536 (P = 0.009);
MVP		0.66
MPC		0.31
ClinPred		0.56	D
GERP RS		2.1
Varity_R		0.16
gMVP		0.47

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.030		Details are displayed if max score is > 0.2

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

Publications

LitVar

Other links and lift over

dbSNP: rs142724154; hg19: chr21-43319425;