Variant 16-69339273-C-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_032382.5(COG8):c.280G>A(p.Ala94Thr) variant causes a missense change. The variant allele was found at a frequency of 0.00000822 in 1,460,180 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000082 ( 1 hom. )

Consequence

COG8
NM_032382.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.93

Variant links:

Genes affected

COG8 (HGNC:18623): (component of oligomeric golgi complex 8) This gene encodes a protein that is a component of the conserved oligomeric Golgi (COG) complex, a multiprotein complex that plays a structural role in the Golgi apparatus, and is involved in intracellular membrane trafficking and glycoprotein modification. Mutations in this gene cause congenital disorder of glycosylation, type IIh, a disease that is characterized by under-glycosylated serum proteins, and whose symptoms include severe psychomotor retardation, failure to thrive, seizures, and dairy and wheat product intolerance. [provided by RefSeq, Jul 2008]

COG8 links:

ENSG00000260371 (HGNC:):

ENSG00000260371 links:

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.944

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
COG8	NM_032382.5 linkuse as main transcript	c.280G>A	p.Ala94Thr	missense_variant	1/6	ENST00000306875.10	NP_115758.3	Q96MW5A0A024R6Z6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	UniProt
COG8	ENST00000306875.10 linkuse as main transcript	c.280G>A	p.Ala94Thr	missense_variant	1/6	1	NM_032382.5	ENSP00000305459.6	Q96MW5B4DYU2
ENSG00000260371	ENST00000563634.1 linkuse as main transcript	c.3-2561G>A		intron_variant		4		ENSP00000454500.1	H3BMQ9
ENSG00000259900	ENST00000564737.1 linkuse as main transcript	n.466-2561G>A		intron_variant		5		ENSP00000462747.1	J3KT08

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000411

AC:

AN:

243216

Hom.:

AF XY:

0.00000749

AC XY:

AN XY:

133488

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000328

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000822

AC:

AN:

1460180

Hom.:

Cov.:

AF XY:

0.00000551

AC XY:

AN XY:

726442

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000504

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.000166

GnomAD4 genome

Cov.:

Bravo

AF:

0.00000378

Asia WGS

AF:

0.000866

AC:

AN:

3478

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Inborn genetic diseases

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jun 29, 2023

The c.280G>A (p.A94T) alteration is located in exon 1 (coding exon 1) of the COG8 gene. This alteration results from a G to A substitution at nucleotide position 280, causing the alanine (A) at amino acid position 94 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.66

BayesDel_addAF

Pathogenic

0.17

BayesDel_noAF

Uncertain

0.010

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Benign

0.24

.;T;T

Eigen

Uncertain

0.67

Eigen_PC

Pathogenic

0.67

FATHMM_MKL

Uncertain

0.84

LIST_S2

Uncertain

0.94

D;D;D

M_CAP

Benign

0.049

MetaRNN

Pathogenic

0.94

D;D;D

MetaSVM

Benign

-0.70

MutationAssessor

Uncertain

2.9

.;M;.

PrimateAI

Pathogenic

0.82

PROVEAN

Uncertain

-3.3

.;.;D

REVEL

Uncertain

0.35

Sift

Pathogenic

0.0

.;.;D

Sift4G

Pathogenic

0.0

.;.;D

Polyphen

0.99

D;D;.

Vest4

0.77

MutPred

0.88

.;Loss of helix (P = 0.0626);Loss of helix (P = 0.0626);

MVP

0.63

MPC

1.8

ClinPred

1.0

GERP RS

5.2

Varity_R

0.81

gMVP

0.60

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