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GeneBe

12-120510130-G-C

Variant summary

Our verdict is Benign. Variant got -18 ACMG points: 0P and 18B. BP4_ModerateBP6_Very_StrongBA1

The NM_032314.4(COQ5):c.575-7C>G variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00556 in 1,606,548 control chromosomes in the GnomAD database, including 435 homozygotes. 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 Benign (★★).

Frequency

Genomes: 𝑓 0.029 ( 219 hom., cov: 31)
Exomes 𝑓: 0.0031 ( 216 hom. )

Consequence

COQ5
NM_032314.4 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.002439
2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.797
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 Benign. Variant got -18 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.38).
BP6
Variant 12-120510130-G-C is Benign according to our data. Variant chr12-120510130-G-C is described in ClinVar as [Benign]. Clinvar id is 768593.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.098 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
COQ5NM_032314.4 linkuse as main transcriptc.575-7C>G splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000288532.11
COQ5XM_006719639.3 linkuse as main transcriptc.332-7C>G splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
COQ5ENST00000288532.11 linkuse as main transcriptc.575-7C>G splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 NM_032314.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0288
AC:
4371
AN:
152030
Hom.:
218
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.101
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00847
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000208
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.0158
Gnomad NFE
AF:
0.000470
Gnomad OTH
AF:
0.0220
GnomAD3 exomes
AF:
0.00794
AC:
1996
AN:
251410
Hom.:
99
AF XY:
0.00569
AC XY:
773
AN XY:
135896
show subpopulations
Gnomad AFR exome
AF:
0.107
Gnomad AMR exome
AF:
0.00567
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000229
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000290
Gnomad OTH exome
AF:
0.00391
GnomAD4 exome
AF:
0.00313
AC:
4556
AN:
1454400
Hom.:
216
Cov.:
29
AF XY:
0.00265
AC XY:
1921
AN XY:
724064
show subpopulations
Gnomad4 AFR exome
AF:
0.107
Gnomad4 AMR exome
AF:
0.00615
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000395
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000159
Gnomad4 OTH exome
AF:
0.00780
GnomAD4 genome
AF:
0.0288
AC:
4384
AN:
152148
Hom.:
219
Cov.:
31
AF XY:
0.0274
AC XY:
2039
AN XY:
74382
show subpopulations
Gnomad4 AFR
AF:
0.101
Gnomad4 AMR
AF:
0.00846
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000470
Gnomad4 OTH
AF:
0.0218
Alfa
AF:
0.00174
Hom.:
3
Bravo
AF:
0.0335
Asia WGS
AF:
0.00693
AC:
24
AN:
3478
EpiCase
AF:
0.000218
EpiControl
AF:
0.000415

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

COQ5-related disorder Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesDec 18, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -
not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeDec 31, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.38
Cadd
Benign
12
Dann
Benign
0.74

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.0024
dbscSNV1_RF
Benign
0.13
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: rs74578594; hg19: chr12-120947933; API