2-191836682-T-C

Variant names:

• chr2-191836682-T-C
• rs61742216
• NM_004657.6:c.519A>G

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_Strong BP6_Very_Strong BP7 BA1

The NM_004657.6(CAVIN2):​c.519A>G​(p.Lys173Lys) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0042 in 1,613,768 control chromosomes in the GnomAD database, including 242 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

• Frequency:
  • Genomes: 𝑓 0.023 (121 hom., cov: 32)
  • Exomes 𝑓: 0.0023 (121 hom.)
• Consequence: CAVIN2 NM_004657.6 synonymous
• Clinical Significance: Benign criteria provided, multiple submitters, no conflicts B:2
• Conservation: PhyloP100: 0.433

Genes affected

CAVIN2 (HGNC:10690): (caveolae associated protein 2) This gene encodes a calcium-independent phospholipid-binding protein whose expression increases in serum-starved cells. This protein is a substrate for protein kinase C (PKC) phosphorylation and recruits polymerase I and transcript release factor (PTRF) to caveolae. Removal of this protein causes caveolae loss and its over-expression results in caveolae deformation and membrane tubulation.[provided by RefSeq, Sep 2009]

ACMG classification

Our verdict: Benign. The variant received -21 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.61).
• BP6: Variant 2-191836682-T-C is Benign according to our data. Variant chr2-191836682-T-C is described in ClinVar as [Benign]. Clinvar id is 782418.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
• BP7: Synonymous conserved (PhyloP=0.433 with no splicing effect.
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0772 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CAVIN2	NM_004657.6	c.519A>G	p.Lys173Lys	synonymous_variant	Exon 2 of 2	ENST00000304141.5	NP_004648.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CAVIN2	ENST00000304141.5	c.519A>G	p.Lys173Lys	synonymous_variant	Exon 2 of 2	1	NM_004657.6	ENSP00000305675.4

Frequencies

GnomAD3 genomes AF: 0.0227 AC: 3460 AN: 152132 Hom.: 122 Cov.: 32

Gnomad AFR AF: 0.0794

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00766

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.000414

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00316

Gnomad NFE AF: 0.000235

Gnomad OTH AF: 0.0163

GnomAD2 exomes AF: 0.00570 AC: 1425 AN: 249852 AF XY: 0.00429

Gnomad AFR exome AF: 0.0818

Gnomad AMR exome AF: 0.00304

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.000186

Gnomad OTH exome AF: 0.00346

GnomAD4 exome AF: 0.00226 AC: 3303 AN: 1461518 Hom.: 121 Cov.: 33 AF XY: 0.00191 AC XY: 1386 AN XY: 727026

Gnomad4 AFR exome AF: 0.0802 AC: 2682 AN: 33462

Gnomad4 AMR exome AF: 0.00345 AC: 154 AN: 44690

Gnomad4 ASJ exome AF: 0.00 AC: 0 AN: 26126

Gnomad4 EAS exome AF: 0.00 AC: 0 AN: 39694

Gnomad4 SAS exome AF: 0.000162 AC: 14 AN: 86232

Gnomad4 FIN exome AF: 0.00 AC: 0 AN: 53374

Gnomad4 NFE exome AF: 0.000118 AC: 131 AN: 1111786

Gnomad4 Remaining exome AF: 0.00508 AC: 307 AN: 60388

GnomAD4 genome AF: 0.0228 AC: 3467 AN: 152250 Hom.: 121 Cov.: 32 AF XY: 0.0224 AC XY: 1668 AN XY: 74456

Gnomad4 AFR AF: 0.0794 AC: 0.0794174 AN: 0.0794174

Gnomad4 AMR AF: 0.00765 AC: 0.00765106 AN: 0.00765106

Gnomad4 ASJ AF: 0.00 AC: 0 AN: 0

Gnomad4 EAS AF: 0.00 AC: 0 AN: 0

Gnomad4 SAS AF: 0.000207 AC: 0.000207125 AN: 0.000207125

Gnomad4 FIN AF: 0.00 AC: 0 AN: 0

Gnomad4 NFE AF: 0.000235 AC: 0.000235273 AN: 0.000235273

Gnomad4 OTH AF: 0.0161 AC: 0.0160985 AN: 0.0160985

Alfa AF: 0.00996 Hom.: 40

Bravo AF: 0.0259

Asia WGS AF: 0.00346 AC: 12 AN: 3478

EpiCase AF: 0.000109

EpiControl AF: 0.000119

ClinVar

Significance: Benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

Submissions by phenotype

not provided Benign:2

-

Breakthrough Genomics, Breakthrough Genomics

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: not provided

- -

Jun 21, 2018

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.61
CADD	Benign	3.3
DANN	Benign	0.66
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Mutation Taster		=100/0	polymorphism (auto)

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

LitVar

Other links and lift over

dbSNP: rs61742216; hg19: chr2-192701408;