12-120510087-G-T

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2 PP3_Moderate

The NM_032314.4(COQ5):c.611C>A(p.Pro204His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 31)
• Consequence: COQ5 NM_032314.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 10.0

Genes affected

COQ5 (HGNC:28722): (coenzyme Q5, methyltransferase) Enables 2-octaprenyl-6-methoxy-1,4-benzoquinone methylase activity. Involved in methylation and ubiquinone biosynthetic process. Located in mitochondrial matrix. Part of protein-containing complex. Colocalizes with mitochondrial inner membrane. Implicated in primary coenzyme Q10 deficiency 9. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.906

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
COQ5	NM_032314.4	c.611C>A	p.Pro204His	missense_variant	4/7	ENST00000288532.11
COQ5	XM_006719639.3	c.368C>A	p.Pro123His	missense_variant	5/8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
COQ5	ENST00000288532.11	c.611C>A	p.Pro204His	missense_variant	4/7	1	NM_032314.4	P1

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 31

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not provided Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

CeGaT Center for Human Genetics Tuebingen

Oct 01, 2019

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Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.33
BayesDel_addAF	Pathogenic	0.36	D
BayesDel_noAF	Pathogenic	0.27
Cadd	Pathogenic	29
Dann	Uncertain	1.0
DEOGEN2	Uncertain	0.50	D;T;T;T;T
Eigen	Pathogenic	0.94
Eigen_PC	Pathogenic	0.91
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Uncertain	0.92	D;D;D;D;D
M_CAP	Uncertain	0.12	D
MetaRNN	Pathogenic	0.91	D;D;D;D;D
MetaSVM	Uncertain	0.51	D
MutationAssessor	Pathogenic	3.7	H;.;.;.;.
MutationTaster	Benign	1.0	D;D
PrimateAI	Uncertain	0.64	T
PROVEAN	Pathogenic	-6.1	D;D;D;D;D
REVEL	Pathogenic	0.81
Sift	Uncertain	0.026	D;D;D;T;D
Sift4G	Uncertain	0.025	D;D;.;D;.
Polyphen		0.59	P;D;.;.;.
Vest4		0.91
MutPred		0.71		Loss of ubiquitination at K209 (P = 0.0613);.;.;.;.;
MVP		0.93
MPC		0.65
ClinPred		1.0	D
GERP RS		5.7
Varity_R		0.70
gMVP		0.81

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: rs1869058855; hg19: chr12-120947890;