chr16-19067684-C-T

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4_StrongBS1_Supporting

The NM_016138.5(COQ7):​c.20C>T​(p.Ala7Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000077 in 1,610,862 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A7P) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000078 ( 0 hom. )

Consequence

COQ7
NM_016138.5 missense

Scores

1
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.406

Publications

0 publications found
Variant links:
Genes affected
COQ7 (HGNC:2244): (coenzyme Q7, hydroxylase) The protein encoded by this gene is similar to a mitochondrial di-iron containing hydroxylase in Saccharomyces cerevisiae that is involved with ubiquinone biosynthesis. Mutations in the yeast gene lead to slower development and longer life span. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Jul 2010]
COQ7-DT (HGNC:55362): (COQ7 divergent transcript)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.016327739).
BS1
Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.0000656 (10/152328) while in subpopulation AMR AF = 0.000261 (4/15306). AF 95% confidence interval is 0.0000887. There are 0 homozygotes in GnomAd4. There are 4 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_016138.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
COQ7
NM_016138.5
MANE Select
c.20C>Tp.Ala7Val
missense
Exon 1 of 6NP_057222.2
COQ7
NM_001370490.1
c.20C>Tp.Ala7Val
missense
Exon 1 of 5NP_001357419.1
COQ7-DT
NR_119379.1
n.8G>A
non_coding_transcript_exon
Exon 1 of 4

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
COQ7
ENST00000321998.10
TSL:1 MANE Select
c.20C>Tp.Ala7Val
missense
Exon 1 of 6ENSP00000322316.5Q99807-1
COQ7
ENST00000568985.5
TSL:2
c.20C>Tp.Ala7Val
missense
Exon 1 of 7ENSP00000456734.1Q99807-1
COQ7
ENST00000937633.1
c.20C>Tp.Ala7Val
missense
Exon 1 of 4ENSP00000607692.1

Frequencies

GnomAD3 genomes
AF:
0.0000657
AC:
10
AN:
152210
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000262
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:
0.0000882
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000205
AC:
49
AN:
238884
AF XY:
0.000153
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00127
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000472
Gnomad OTH exome
AF:
0.000171
GnomAD4 exome
AF:
0.0000782
AC:
114
AN:
1458534
Hom.:
0
Cov.:
30
AF XY:
0.0000579
AC XY:
42
AN XY:
725656
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33382
American (AMR)
AF:
0.00108
AC:
48
AN:
44260
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26044
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39642
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86156
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52510
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5740
European-Non Finnish (NFE)
AF:
0.0000549
AC:
61
AN:
1110632
Other (OTH)
AF:
0.0000665
AC:
4
AN:
60168
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.482
Heterozygous variant carriers
0
6
12
17
23
29
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
4
8
12
16
20
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000656
AC:
10
AN:
152328
Hom.:
0
Cov.:
33
AF XY:
0.0000537
AC XY:
4
AN XY:
74498
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41582
American (AMR)
AF:
0.000261
AC:
4
AN:
15306
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5174
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
292
European-Non Finnish (NFE)
AF:
0.0000882
AC:
6
AN:
68026
Other (OTH)
AF:
0.00
AC:
0
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.490
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000573
Hom.:
0
Bravo
AF:
0.000102
ExAC
AF:
0.000132
AC:
16

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.14
BayesDel_addAF
Benign
-0.45
T
BayesDel_noAF
Benign
-0.46
CADD
Benign
4.0
DANN
Uncertain
0.98
DEOGEN2
Benign
0.090
T
Eigen
Benign
-1.3
Eigen_PC
Benign
-1.3
FATHMM_MKL
Benign
0.037
N
LIST_S2
Benign
0.54
T
M_CAP
Benign
0.0047
T
MetaRNN
Benign
0.016
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.95
L
PhyloP100
-0.41
PrimateAI
Benign
0.47
T
PROVEAN
Benign
-0.070
N
REVEL
Benign
0.018
Sift
Benign
0.083
T
Sift4G
Benign
1.0
T
Polyphen
0.0020
B
Vest4
0.19
MVP
0.15
MPC
0.077
ClinPred
0.035
T
GERP RS
0.19
PromoterAI
-0.079
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
2.0
Varity_R
0.025
gMVP
0.38
Mutation Taster
=96/4
polymorphism

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

Other links and lift over

dbSNP: rs751620448; hg19: chr16-19079006; API