2-27578414-T-C

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 0P and 7B. BP4_Strong BP6_Moderate BP7

The NM_032266.5(C2orf16):c.12054T>C(p.Val4018=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000154 in 1,614,152 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

• Frequency:
  • Genomes: 𝑓 0.00014 (0 hom., cov: 33)
  • Exomes 𝑓: 0.00016 (2 hom.)
• Consequence: C2orf16 NM_032266.5 synonymous
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: 0.545

Genes affected

C2orf16 (HGNC:25275): (SPATA31 subfamily H member 1) Located in extracellular exosome and nucleus. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Benign. Variant got -7 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.78).
• BP6: Variant 2-27578414-T-C is Benign according to our data. Variant chr2-27578414-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 2650772.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=0.545 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
C2orf16	NM_032266.5	c.12054T>C	p.Val4018=	synonymous_variant	5/5	ENST00000447166.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
C2orf16	ENST00000447166.3	c.12054T>C	p.Val4018=	synonymous_variant	5/5	3	NM_032266.5	P1

Frequencies

GnomAD3 genomes AF: 0.000138 AC: 21 AN: 152218 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.0000482

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000131

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.000414

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.000221

Gnomad OTH AF: 0.00

GnomAD3 exomes AF: 0.000144 AC: 36 AN: 249312 Hom.: 1 AF XY: 0.000148 AC XY: 20 AN XY: 135248

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.000229

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.000230

Gnomad OTH exome AF: 0.000497

GnomAD4 exome AF: 0.000155 AC: 227 AN: 1461816 Hom.: 2 Cov.: 35 AF XY: 0.000176 AC XY: 128 AN XY: 727196

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: 0.000290

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.000157

Gnomad4 OTH exome AF: 0.000381

GnomAD4 genome AF: 0.000138 AC: 21 AN: 152336 Hom.: 0 Cov.: 33 AF XY: 0.000134 AC XY: 10 AN XY: 74498

Gnomad4 AFR AF: 0.0000481

Gnomad4 AMR AF: 0.000131

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.000414

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000221

Gnomad4 OTH AF: 0.00

Alfa AF: 0.000213 Hom.: 0

Bravo AF: 0.000144

Asia WGS AF: 0.000289 AC: 1 AN: 3478

EpiCase AF: 0.000600

EpiControl AF: 0.000356

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

Submissions by phenotype

not provided Benign:1

Likely benign, criteria provided, single submitter

clinical testing

CeGaT Center for Human Genetics Tuebingen

Feb 01, 2023

C2orf16: BP4, BP7 -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.78
Cadd	Benign	3.7
Dann	Benign	0.72

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: rs199963644; hg19: chr2-27801281;