4-107945426-A-T

Variant summary

Our verdict is Pathogenic. The variant received 14 ACMG points: 14P and 0B. PM5PP3_StrongPP5_Very_Strong

The NM_183075.3(CYP2U1):​c.947A>T​(p.Asp316Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000479 in 1,461,812 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 (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D316H) has been classified as Likely pathogenic.

Frequency

Genomes: not found (cov: 31)
Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

CYP2U1
NM_183075.3 missense

Scores

14
4

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:13

Conservation

PhyloP100: 8.95

Publications

10 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: Pathogenic. The variant received 14 ACMG points.

PM5
Other missense variant is known to change same aminoacid residue: Variant chr4-107945425-G-C is described in ClinVar as Likely_pathogenic. ClinVar VariationId is 1485673.Status of the report is criteria_provided_single_submitter, 1 stars.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.957
PP5
Variant 4-107945426-A-T is Pathogenic according to our data. Variant chr4-107945426-A-T is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 39500.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

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

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CYP2U1
NM_183075.3
MANE Select
c.947A>Tp.Asp316Val
missense
Exon 2 of 5NP_898898.1Q7Z449-1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CYP2U1
ENST00000332884.11
TSL:1 MANE Select
c.947A>Tp.Asp316Val
missense
Exon 2 of 5ENSP00000333212.6Q7Z449-1
CYP2U1
ENST00000508453.1
TSL:1
c.320A>Tp.Asp107Val
missense
Exon 4 of 7ENSP00000423667.1E9PGH5
CYP2U1
ENST00000908818.1
c.736+211A>T
intron
N/AENSP00000578877.1

Frequencies

GnomAD3 genomes
Cov.:
31
GnomAD4 exome
AF:
0.00000479
AC:
7
AN:
1461812
Hom.:
0
Cov.:
32
AF XY:
0.00000413
AC XY:
3
AN XY:
727206
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44712
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39698
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86254
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53388
Middle Eastern (MID)
AF:
0.00121
AC:
7
AN:
5766
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1111994
Other (OTH)
AF:
0.00
AC:
0
AN:
60386
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.439
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

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
Cov.:
31
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.00000378

ClinVar

ClinVar submissions as Germline
Significance:Pathogenic/Likely pathogenic
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
5
-
-
Hereditary spastic paraplegia 56 (5)
4
-
-
not provided (4)
2
-
-
Spastic paraplegia (2)
1
-
-
CYP2U1-related disorder (1)
1
-
-
Neurodegeneration;C0557874:Global developmental delay (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.89
BayesDel_addAF
Pathogenic
0.46
D
BayesDel_noAF
Pathogenic
0.43
CADD
Pathogenic
28
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.49
T
Eigen
Pathogenic
1.1
Eigen_PC
Pathogenic
0.96
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.94
D
M_CAP
Pathogenic
0.47
D
MetaRNN
Pathogenic
0.96
D
MetaSVM
Pathogenic
0.98
D
MutationAssessor
Pathogenic
4.5
H
PhyloP100
8.9
PrimateAI
Uncertain
0.53
T
PROVEAN
Pathogenic
-8.1
D
REVEL
Pathogenic
0.94
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0010
D
Polyphen
1.0
D
Vest4
0.98
MutPred
0.75
Gain of catalytic residue at D316 (P = 0.0028)
MVP
0.94
MPC
0.77
ClinPred
1.0
D
GERP RS
5.8
Varity_R
0.96
gMVP
0.89
Mutation Taster
=3/97
disease causing (ClinVar)

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: rs397514513; hg19: chr4-108866582; API