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GeneBe

chr2-199911622-G-GGAGCC

Variant summary

Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PVS1PM2PP5_Moderate

The NM_153689.6(C2orf69):​c.187_191dup​(p.Asp64GlufsTer56) variant causes a frameshift change. The variant allele was found at a frequency of 0.000000716 in 1,397,286 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely pathogenic (★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 7.2e-7 ( 0 hom. )

Consequence

C2orf69
NM_153689.6 frameshift

Scores

Not classified

Clinical Significance

Likely pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 5.00
Variant links:
Genes affected
C2orf69 (HGNC:26799): (chromosome 2 open reading frame 69) Involved in oxidative phosphorylation. Located in mitochondrion. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 12 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 2-199911622-G-GGAGCC is Pathogenic according to our data. Variant chr2-199911622-G-GGAGCC is described in ClinVar as [Likely_pathogenic]. Clinvar id is 2446879.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
C2orf69NM_153689.6 linkuse as main transcriptc.187_191dup p.Asp64GlufsTer56 frameshift_variant 1/2 ENST00000319974.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
C2orf69ENST00000319974.6 linkuse as main transcriptc.187_191dup p.Asp64GlufsTer56 frameshift_variant 1/21 NM_153689.6 P1
C2orf69ENST00000491721.1 linkuse as main transcriptn.320_324dup non_coding_transcript_exon_variant 1/22

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
7.16e-7
AC:
1
AN:
1397286
Hom.:
0
Cov.:
31
AF XY:
0.00000145
AC XY:
1
AN XY:
689184
show subpopulations
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:
0.0000126
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Significance: Likely pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Combined oxidative phosphorylation deficiency 53 Pathogenic:1
Likely pathogenic, criteria provided, single submitterresearchDepartment of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical SciencesApr 07, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

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

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr2-200776345; API