rs7099637

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_000772.3(CYP2C18):​c.819+4237A>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.201 in 151,952 control chromosomes in the GnomAD database, including 3,263 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.20 ( 3263 hom., cov: 32)

Consequence

CYP2C18
NM_000772.3 intron

Scores

2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.344

Publications

2 publications found
Variant links:
Genes affected
CYP2C18 (HGNC:2620): (cytochrome P450 family 2 subfamily C member 18) 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 but its specific substrate has not yet been determined. The gene is located within a cluster of cytochrome P450 genes on chromosome 10q24. An additional gene, CYP2C17, was once thought to exist; however, CYP2C17 is now considered an artefact based on a chimera of CYP2C18 and CYP2C19. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.92).
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.22 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CYP2C18NM_000772.3 linkc.819+4237A>C intron_variant Intron 5 of 8 ENST00000285979.11 NP_000763.1 P33260-1Q7Z348
CYP2C18NM_001128925.2 linkc.643-9199A>C intron_variant Intron 4 of 7 NP_001122397.1 P33260-2Q7Z348

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CYP2C18ENST00000285979.11 linkc.819+4237A>C intron_variant Intron 5 of 8 1 NM_000772.3 ENSP00000285979.6 P33260-1
CYP2C18ENST00000339022.6 linkc.643-9199A>C intron_variant Intron 4 of 7 1 ENSP00000341293.5 P33260-2
ENSG00000276490ENST00000464755.1 linkn.459+4237A>C intron_variant Intron 3 of 13 2 ENSP00000483243.1 A0A087X0B3

Frequencies

GnomAD3 genomes
AF:
0.201
AC:
30516
AN:
151834
Hom.:
3262
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.225
Gnomad AMI
AF:
0.264
Gnomad AMR
AF:
0.133
Gnomad ASJ
AF:
0.213
Gnomad EAS
AF:
0.00945
Gnomad SAS
AF:
0.163
Gnomad FIN
AF:
0.186
Gnomad MID
AF:
0.228
Gnomad NFE
AF:
0.220
Gnomad OTH
AF:
0.201
We have no GnomAD4 exomes data on this position. Probably position not covered by the project.
GnomAD4 genome
AF:
0.201
AC:
30518
AN:
151952
Hom.:
3263
Cov.:
32
AF XY:
0.198
AC XY:
14670
AN XY:
74234
show subpopulations
African (AFR)
AF:
0.224
AC:
9287
AN:
41440
American (AMR)
AF:
0.133
AC:
2027
AN:
15258
Ashkenazi Jewish (ASJ)
AF:
0.213
AC:
738
AN:
3466
East Asian (EAS)
AF:
0.00947
AC:
49
AN:
5174
South Asian (SAS)
AF:
0.163
AC:
784
AN:
4808
European-Finnish (FIN)
AF:
0.186
AC:
1959
AN:
10550
Middle Eastern (MID)
AF:
0.231
AC:
68
AN:
294
European-Non Finnish (NFE)
AF:
0.220
AC:
14945
AN:
67942
Other (OTH)
AF:
0.199
AC:
420
AN:
2108
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.502
Heterozygous variant carriers
0
1230
2460
3690
4920
6150
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
318
636
954
1272
1590
<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:
0.130
Hom.:
368
Bravo
AF:
0.197
Asia WGS
AF:
0.0850
AC:
297
AN:
3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.92
CADD
Benign
1.7
DANN
Benign
0.69
PhyloP100
0.34
Mutation Taster
=100/0
polymorphism (auto)

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: rs7099637; hg19: chr10-96470954; API