NM_024417.5:c.916C>T

Variant summary

Our verdict is Pathogenic. The variant received 11 ACMG points: 11P and 0B. PM2PP3PP5_Very_Strong

The NM_024417.5(FDXR):​c.916C>T​(p.Arg306Cys) variant causes a missense change. The variant allele was found at a frequency of 0.0000411 in 1,607,488 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 Likely pathogenic (★★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000041 ( 0 hom. )

Consequence

FDXR
NM_024417.5 missense

Scores

5
4
8

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:6

Conservation

PhyloP100: 4.81

Publications

12 publications found
Variant links:
Genes affected
FDXR (HGNC:3642): (ferredoxin reductase) This gene encodes a mitochondrial flavoprotein that initiates electron transport for cytochromes P450 receiving electrons from NADPH. Multiple alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Apr 2012]
FDXR Gene-Disease associations (from GenCC):
  • auditory neuropathy-optic atrophy syndrome
    Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: PanelApp Australia, Orphanet, G2P, Labcorp Genetics (formerly Invitae)
  • optic atrophy-ataxia-peripheral neuropathy-global developmental delay syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 11 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.764
PP5
Variant 17-74864234-G-A is Pathogenic according to our data. Variant chr17-74864234-G-A is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 441237.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_024417.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
FDXR
NM_024417.5
MANE Select
c.916C>Tp.Arg306Cys
missense
Exon 9 of 12NP_077728.3
FDXR
NM_001258012.4
c.1045C>Tp.Arg349Cys
missense
Exon 9 of 12NP_001244941.2
FDXR
NM_001258013.4
c.1009C>Tp.Arg337Cys
missense
Exon 10 of 13NP_001244942.2

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
FDXR
ENST00000293195.10
TSL:1 MANE Select
c.916C>Tp.Arg306Cys
missense
Exon 9 of 12ENSP00000293195.5
FDXR
ENST00000581530.5
TSL:1
c.934C>Tp.Arg312Cys
missense
Exon 9 of 12ENSP00000462972.1
FDXR
ENST00000578473.5
TSL:1
n.1604C>T
non_coding_transcript_exon
Exon 9 of 12

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152176
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.0000735
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000289
AC:
7
AN:
241968
AF XY:
0.0000226
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000874
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000372
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000405
AC:
59
AN:
1455194
Hom.:
0
Cov.:
34
AF XY:
0.0000346
AC XY:
25
AN XY:
722710
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33372
American (AMR)
AF:
0.000112
AC:
5
AN:
44624
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26068
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39538
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86170
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
51854
Middle Eastern (MID)
AF:
0.000174
AC:
1
AN:
5734
European-Non Finnish (NFE)
AF:
0.0000451
AC:
50
AN:
1107790
Other (OTH)
AF:
0.0000500
AC:
3
AN:
60044
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.489
Heterozygous variant carriers
0
4
8
12
16
20
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.0000460
AC:
7
AN:
152294
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74478
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41560
American (AMR)
AF:
0.0000653
AC:
1
AN:
15312
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5172
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000735
AC:
5
AN:
68010
Other (OTH)
AF:
0.00
AC:
0
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.446
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:
0.0000565
Hom.:
0
Bravo
AF:
0.0000378
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

ClinVar submissions as Germline
Significance:Pathogenic/Likely pathogenic
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
4
-
-
Auditory neuropathy-optic atrophy syndrome (4)
1
-
-
Inborn genetic diseases (1)
1
-
-
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Pathogenic
0.18
D
BayesDel_noAF
Pathogenic
0.22
CADD
Pathogenic
33
DANN
Uncertain
1.0
DEOGEN2
Benign
0.16
T
Eigen
Benign
0.16
Eigen_PC
Benign
0.097
FATHMM_MKL
Uncertain
0.89
D
LIST_S2
Pathogenic
0.99
D
M_CAP
Pathogenic
0.29
D
MetaRNN
Pathogenic
0.76
D
MetaSVM
Benign
-0.71
T
PhyloP100
4.8
PrimateAI
Uncertain
0.61
T
PROVEAN
Uncertain
-3.7
D
REVEL
Benign
0.21
Sift
Benign
0.044
D
Sift4G
Benign
0.083
T
Vest4
0.73
MutPred
0.58
Loss of MoRF binding (P = 0.0069)
MVP
0.96
MPC
0.41
ClinPred
0.61
D
GERP RS
3.6
gMVP
0.83
Mutation Taster
=0/100
disease causing (ClinVar)

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.070
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: rs752143061; hg19: chr17-72860356; API