12-120522206-G-A

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_StrongBP6

The NM_032314.4(COQ5):​c.352+8C>T variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000334 in 1,613,876 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.00019 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00035 ( 0 hom. )

Consequence

COQ5
NM_032314.4 splice_region, intron

Scores

2
Splicing: ADA: 0.00001916
2

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: -0.610
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.89).
BP6
Variant 12-120522206-G-A is Benign according to our data. Variant chr12-120522206-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 3035335.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
COQ5NM_032314.4 linkuse as main transcriptc.352+8C>T splice_region_variant, intron_variant ENST00000288532.11 NP_115690.3
COQ5XM_006719639.3 linkuse as main transcriptc.109+8C>T splice_region_variant, intron_variant XP_006719702.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
COQ5ENST00000288532.11 linkuse as main transcriptc.352+8C>T splice_region_variant, intron_variant 1 NM_032314.4 ENSP00000288532 P1

Frequencies

GnomAD3 genomes
AF:
0.000191
AC:
29
AN:
152078
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000965
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:
0.000368
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000123
AC:
31
AN:
251380
Hom.:
0
AF XY:
0.0000736
AC XY:
10
AN XY:
135884
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000246
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000349
AC:
510
AN:
1461798
Hom.:
0
Cov.:
31
AF XY:
0.000356
AC XY:
259
AN XY:
727206
show subpopulations
Gnomad4 AFR exome
AF:
0.000149
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000438
Gnomad4 OTH exome
AF:
0.000265
GnomAD4 genome
AF:
0.000191
AC:
29
AN:
152078
Hom.:
0
Cov.:
33
AF XY:
0.000215
AC XY:
16
AN XY:
74278
show subpopulations
Gnomad4 AFR
AF:
0.0000965
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:
0.000368
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000147
Hom.:
0
Bravo
AF:
0.000223
EpiCase
AF:
0.000327
EpiControl
AF:
0.000178

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

COQ5-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesJan 14, 2020This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.89
CADD
Benign
0.45
DANN
Benign
0.71

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000019
dbscSNV1_RF
Benign
0.0
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: rs138814195; hg19: chr12-120960009; API