10-95067209-C-G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_000770.3(CYP2C8):ā€‹c.480G>Cā€‹(p.Lys160Asn) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,780 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/23 in silico tools predict a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. K160K) has been classified as Benign.

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 6.8e-7 ( 0 hom. )

Consequence

CYP2C8
NM_000770.3 missense, splice_region

Scores

19
Splicing: ADA: 0.0003657
2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -8.39
Variant links:
Genes affected
CYP2C8 (HGNC:2622): (cytochrome P450 family 2 subfamily C member 8) 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 protein localizes to the endoplasmic reticulum and its expression is induced by phenobarbital. The enzyme is known to metabolize many xenobiotics, including the anticonvulsive drug mephenytoin, benzo(a)pyrene, 7-ethyoxycoumarin, and the anti-cancer drug taxol. This gene is located within a cluster of cytochrome P450 genes on chromosome 10q24. Several transcript variants encoding a few different isoforms have been found for this gene. [provided by RefSeq, Nov 2010]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.27020732).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CYP2C8NM_000770.3 linkuse as main transcriptc.480G>C p.Lys160Asn missense_variant, splice_region_variant 3/9 ENST00000371270.6
CYP2C8NM_001198853.1 linkuse as main transcriptc.270G>C p.Lys90Asn missense_variant, splice_region_variant 3/9
CYP2C8NM_001198855.1 linkuse as main transcriptc.270G>C p.Lys90Asn missense_variant, splice_region_variant 4/10
CYP2C8NM_001198854.1 linkuse as main transcriptc.174G>C p.Lys58Asn missense_variant, splice_region_variant 2/8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CYP2C8ENST00000371270.6 linkuse as main transcriptc.480G>C p.Lys160Asn missense_variant, splice_region_variant 3/91 NM_000770.3 P1P10632-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251402
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135864
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461780
Hom.:
0
Cov.:
33
AF XY:
0.00000138
AC XY:
1
AN XY:
727192
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000824
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.57
T
BayesDel_noAF
Benign
-0.87
CADD
Benign
0.017
DANN
Benign
0.88
DEOGEN2
Benign
0.029
.;.;.;T;.
Eigen
Benign
-1.2
Eigen_PC
Benign
-1.2
FATHMM_MKL
Benign
0.038
N
LIST_S2
Benign
0.48
.;T;T;T;T
M_CAP
Benign
0.00083
T
MetaRNN
Benign
0.27
T;T;T;T;T
MetaSVM
Benign
-0.96
T
MutationAssessor
Benign
0.025
.;.;.;N;.
MutationTaster
Benign
0.14
P;P;P
PrimateAI
Benign
0.32
T
PROVEAN
Benign
1.6
.;N;.;N;.
REVEL
Benign
0.039
Sift
Benign
0.76
.;T;.;T;.
Sift4G
Benign
0.51
T;T;T;T;T
Polyphen
0.0020
.;.;.;B;.
Vest4
0.067
MutPred
0.37
.;.;.;Loss of ubiquitination at K160 (P = 0.0192);.;
MVP
0.23
MPC
0.022
ClinPred
0.040
T
GERP RS
-7.5
Varity_R
0.10
gMVP
0.18

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00037
dbscSNV1_RF
Benign
0.16
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: rs11572081; hg19: chr10-96826966; API