Variant 7-107563850-C-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_006348.5(COG5):c.47G>A(p.Arg16Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,461,388 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

COG5
NM_006348.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.950

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]

COG5 links:

DUS4L (HGNC:21517): (dihydrouridine synthase 4 like) Predicted to enable tRNA dihydrouridine synthase activity. Predicted to be involved in tRNA dihydrouridine synthesis. [provided by Alliance of Genome Resources, Apr 2022]

DUS4L links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.03805852).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
COG5	NM_006348.5 linkuse as main transcript	c.47G>A	p.Arg16Gln	missense_variant	1/22	ENST00000297135.9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
COG5	ENST00000297135.9 linkuse as main transcript	c.47G>A	p.Arg16Gln	missense_variant	1/22	1	NM_006348.5	P2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000810

AC:

AN:

247030

Hom.:

AF XY:

0.00000744

AC XY:

AN XY:

134418

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000548

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000907

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000342

AC:

AN:

1461388

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727010

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.0000765

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000180

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000434

Hom.:

ExAC

AF:

0.00000825

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

COG5-congenital disorder of glycosylation

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Invitae

Sep 01, 2021

This sequence change replaces arginine with glutamine at codon 47 of the COG5 protein (p.Arg47Gln). The arginine residue is weakly conserved and there is a small physicochemical difference between arginine and glutamine. This variant is present in population databases (rs781711867, ExAC 0.01%). This variant has not been reported in the literature in individuals affected with COG5-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.079

BayesDel_addAF

Benign

-0.40

BayesDel_noAF

Benign

-0.64

CADD

Benign

1.1

DANN

Benign

0.84

DEOGEN2

Benign

0.00085

T;.;.;.

Eigen

Benign

-1.8

Eigen_PC

Benign

-1.9

FATHMM_MKL

Benign

0.0059

LIST_S2

Benign

0.57

T;T;T;.

M_CAP

Benign

0.0030

MetaRNN

Benign

0.038

T;T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.0

N;N;N;.

MutationTaster

Benign

1.0

N;N;N

PrimateAI

Benign

0.34

PROVEAN

Benign

-0.21

N;N;N;.

REVEL

Benign

0.0050

Sift

Benign

0.61

T;T;T;.

Sift4G

Benign

0.58

T;T;T;.

Polyphen

0.0

B;B;.;.

Vest4

0.19

MutPred

0.26

Loss of methylation at R47 (P = 0.0199);Loss of methylation at R47 (P = 0.0199);Loss of methylation at R47 (P = 0.0199);.;

MVP

0.25

MPC

0.064

ClinPred

0.071

GERP RS

-11

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.026

gMVP

0.14

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over