NM_183075.3:c.1376C>T

Variant summary

Our verdict is Likely pathogenic. The variant received 7 ACMG points: 7P and 0B. PM2PP3_StrongPP5

The NM_183075.3(CYP2U1):​c.1376C>T​(p.Pro459Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000658 in 1,611,180 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 Conflicting classifications of pathogenicity (no stars). Synonymous variant affecting the same amino acid position (i.e. P459P) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000068 ( 0 hom. )

Consequence

CYP2U1
NM_183075.3 missense

Scores

11
6
1

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications P:5U:3

Conservation

PhyloP100: 7.57

Publications

2 publications found
Variant links:
Genes affected
CYP2U1 (HGNC:20582): (cytochrome P450 family 2 subfamily U member 1) This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This enzyme is a hydroxylase that metabolizes arachidonic acid, docosahexaenoic acid, and other long chain fatty acids. [provided by RefSeq, Jul 2008]
CYP2U1-AS1 (HGNC:54817): (CYP2U1 and SGMS2 antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 7 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.955
PP5
Variant 4-107949437-C-T is Pathogenic according to our data. Variant chr4-107949437-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 571544.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_183075.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CYP2U1
NM_183075.3
MANE Select
c.1376C>Tp.Pro459Leu
missense
Exon 4 of 5NP_898898.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CYP2U1
ENST00000332884.11
TSL:1 MANE Select
c.1376C>Tp.Pro459Leu
missense
Exon 4 of 5ENSP00000333212.6
CYP2U1
ENST00000508453.1
TSL:1
c.749C>Tp.Pro250Leu
missense
Exon 6 of 7ENSP00000423667.1
CYP2U1
ENST00000908818.1
c.986C>Tp.Pro329Leu
missense
Exon 4 of 5ENSP00000578877.1

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152024
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000242
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:
0.0000882
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000320
AC:
8
AN:
249996
AF XY:
0.0000370
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000618
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000678
AC:
99
AN:
1459156
Hom.:
0
Cov.:
30
AF XY:
0.0000661
AC XY:
48
AN XY:
725866
show subpopulations
African (AFR)
AF:
0.0000300
AC:
1
AN:
33386
American (AMR)
AF:
0.00
AC:
0
AN:
44564
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26048
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39608
South Asian (SAS)
AF:
0.0000233
AC:
2
AN:
85742
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53322
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5756
European-Non Finnish (NFE)
AF:
0.0000864
AC:
96
AN:
1110480
Other (OTH)
AF:
0.00
AC:
0
AN:
60250
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.484
Heterozygous variant carriers
0
6
12
18
24
30
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:
0.0000460
AC:
7
AN:
152024
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74234
show subpopulations
African (AFR)
AF:
0.0000242
AC:
1
AN:
41386
American (AMR)
AF:
0.00
AC:
0
AN:
15254
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5194
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10570
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000882
AC:
6
AN:
68002
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.546
Heterozygous variant carriers
0
1
1
2
2
3
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:
0.000113
Hom.:
0
Bravo
AF:
0.0000340
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ExAC
AF:
0.00000824
AC:
1
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

ClinVar submissions as Germline
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
2
1
-
Hereditary spastic paraplegia 56 (3)
1
1
-
not provided (2)
1
-
-
CYP2U1-related disorder (1)
-
1
-
Hereditary spastic paraplegia (1)
1
-
-
Spastic paraplegia (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.67
BayesDel_addAF
Pathogenic
0.26
D
BayesDel_noAF
Pathogenic
0.29
CADD
Pathogenic
32
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.50
D
Eigen
Pathogenic
0.98
Eigen_PC
Pathogenic
0.89
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.95
D
M_CAP
Uncertain
0.19
D
MetaRNN
Pathogenic
0.96
D
MetaSVM
Pathogenic
0.96
D
MutationAssessor
Pathogenic
4.2
H
PhyloP100
7.6
PrimateAI
Benign
0.43
T
PROVEAN
Pathogenic
-9.2
D
REVEL
Pathogenic
0.81
Sift
Uncertain
0.0020
D
Sift4G
Uncertain
0.0030
D
Polyphen
1.0
D
Vest4
0.80
MVP
0.93
MPC
0.64
ClinPred
1.0
D
GERP RS
5.8
Varity_R
0.91
gMVP
0.93
Mutation Taster
=48/52
disease causing

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: rs747965749; hg19: chr4-108870593; COSMIC: COSV60549820; API