7-107283630-C-CG

Variant summary

Our verdict is Pathogenic. Variant got 18 ACMG points: 18P and 0B. PVS1PM2PP5_Very_Strong

The NM_006348.5(COG5):​c.1415_1416insC​(p.Gly474TrpfsTer3) variant causes a frameshift change. The variant allele was found at a frequency of 0.00000868 in 1,613,730 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Pathogenic (β˜…β˜…). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000089 ( 0 hom. )

Consequence

COG5
NM_006348.5 frameshift

Scores

Not classified

Clinical Significance

Pathogenic criteria provided, multiple submitters, no conflicts P:2

Conservation

PhyloP100: 4.76
Variant links:
Genes affected
COG5 (HGNC:14857): (component of oligomeric golgi complex 5) The protein encoded by this gene is one of eight proteins (Cog1-8) which form a Golgi-localized complex (COG) required for normal Golgi morphology and function. The encoded protein is organized with conserved oligomeric Golgi complex components 6, 7 and 8 into a sub-complex referred to as lobe B. Alternative splicing results in multiple transcript variants. Mutations in this gene result in congenital disorder of glycosylation type 2I.[provided by RefSeq, Jan 2011]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 18 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 7-107283630-C-CG is Pathogenic according to our data. Variant chr7-107283630-C-CG is described in ClinVar as [Pathogenic]. Clinvar id is 431150.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
COG5NM_006348.5 linkuse as main transcriptc.1415_1416insC p.Gly474TrpfsTer3 frameshift_variant 13/22 ENST00000297135.9 NP_006339.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
COG5ENST00000297135.9 linkuse as main transcriptc.1415_1416insC p.Gly474TrpfsTer3 frameshift_variant 13/221 NM_006348.5 ENSP00000297135 P2
COG5ENST00000347053.8 linkuse as main transcriptc.1415_1416insC p.Gly474TrpfsTer3 frameshift_variant 13/211 ENSP00000334703 A2
COG5ENST00000393603.7 linkuse as main transcriptc.1415_1416insC p.Gly474TrpfsTer3 frameshift_variant 13/211 ENSP00000377228

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152010
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
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
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
251298
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135810
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000109
Gnomad SAS exome
AF:
0.0000653
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000889
AC:
13
AN:
1461720
Hom.:
0
Cov.:
31
AF XY:
0.0000151
AC XY:
11
AN XY:
727184
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.0000756
Gnomad4 SAS exome
AF:
0.0000812
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
152010
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74242
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000113

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

COG5-congenital disorder of glycosylation Pathogenic:2
Pathogenic, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJul 03, 2023This sequence change creates a premature translational stop signal (p.Gly505Trpfs*3) in the COG5 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in COG5 are known to be pathogenic (PMID: 23228021). For these reasons, this variant has been classified as Pathogenic. ClinVar contains an entry for this variant (Variation ID: 431150). This premature translational stop signal has been observed in individual(s) with clinical features of COG5-congenital disorder of glycosylation (PMID: 28708303). This variant is present in population databases (rs773281248, gnomAD 0.02%). -
Pathogenic, criteria provided, single submitterclinical testingGroupe Hospitalier Pitie Salpetriere, UF Genomique du Developpement, Assistance Publique Hopitaux de ParisJan 06, 2017Intellectual disability -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

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

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs773281248; hg19: chr7-106924075; API