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GeneBe

12-120504943-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_032314.4(COQ5):c.722G>A(p.Arg241Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000186 in 1,613,988 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000019 ( 0 hom. )

Consequence

COQ5
NM_032314.4 missense

Scores

8
8
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.21
Variant links:
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]

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ACMG classification

Classification made for transcript

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, 0.894

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
COQ5NM_032314.4 linkuse as main transcriptc.722G>A p.Arg241Gln missense_variant 5/7 ENST00000288532.11
COQ5XM_006719639.3 linkuse as main transcriptc.479G>A p.Arg160Gln missense_variant 6/8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
COQ5ENST00000288532.11 linkuse as main transcriptc.722G>A p.Arg241Gln missense_variant 5/71 NM_032314.4 P1
COQ5ENST00000445328.6 linkuse as main transcriptc.500G>A p.Arg167Gln missense_variant 4/62
COQ5ENST00000552443.5 linkuse as main transcriptc.479G>A p.Arg160Gln missense_variant 6/72

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152114
Hom.:
0
Cov.:
31
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:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.0000192
AC:
28
AN:
1461874
Hom.:
0
Cov.:
30
AF XY:
0.0000193
AC XY:
14
AN XY:
727240
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000243
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152114
Hom.:
0
Cov.:
31
AF XY:
0.0000135
AC XY:
1
AN XY:
74290
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000312
Hom.:
0
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJul 05, 2023The c.722G>A (p.R241Q) alteration is located in exon 5 (coding exon 5) of the COQ5 gene. This alteration results from a G to A substitution at nucleotide position 722, causing the arginine (R) at amino acid position 241 to be replaced by a glutamine (Q). 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
Benign
0.13
BayesDel_addAF
Pathogenic
0.26
D
BayesDel_noAF
Pathogenic
0.14
Cadd
Pathogenic
29
Dann
Pathogenic
1.0
DEOGEN2
Benign
0.33
T;T;T
Eigen
Pathogenic
0.73
Eigen_PC
Pathogenic
0.74
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Pathogenic
0.99
D;D;D
M_CAP
Uncertain
0.11
D
MetaRNN
Pathogenic
0.89
D;D;D
MetaSVM
Uncertain
0.071
D
MutationAssessor
Uncertain
2.2
M;.;.
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.66
T
PROVEAN
Uncertain
-3.6
D;D;D
REVEL
Uncertain
0.62
Sift
Uncertain
0.0030
D;D;D
Sift4G
Uncertain
0.0020
D;D;.
Polyphen
1.0
D;D;.
Vest4
0.84
MutPred
0.78
Loss of methylation at R241 (P = 0.0117);.;.;
MVP
0.80
MPC
0.70
ClinPred
1.0
D
GERP RS
5.5
Varity_R
0.76
gMVP
0.89

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.090
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: rs769458021; hg19: chr12-120942746; COSMIC: COSV56019173; COSMIC: COSV56019173; API