dbSNP rs74150726: CYP2C9:c.819+3037A>T (chr10-94952321-A-T) – ACMG Classification: Benign (-12 pts)

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_StrongBS1BS2

The NM_000771.4(CYP2C9):c.819+3037A>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00772 in 152,336 control chromosomes in the GnomAD database, including 19 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 0.0077 ( 19 hom., cov: 33)

Consequence

CYP2C9
NM_000771.4 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.384

Publications

1 publications found

Variant links:

Genes affected

CYP2C9 (HGNC:2623): (cytochrome P450 family 2 subfamily C member 9) 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 rifampin. The enzyme is known to metabolize many xenobiotics, including phenytoin, tolbutamide, ibuprofen and S-warfarin. Studies identifying individuals who are poor metabolizers of phenytoin and tolbutamide suggest that this gene is polymorphic. The gene is located within a cluster of cytochrome P450 genes on chromosome 10q24. [provided by RefSeq, Jul 2008]

CYP2C9 links:

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=-1.01).

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00772 (1176/152336) while in subpopulation AFR AF = 0.0272 (1130/41580). AF 95% confidence interval is 0.0259. There are 19 homozygotes in GnomAd4. There are 552 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High AC in GnomAd4 at 1176 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CYP2C9	NM_000771.4 link	c.819+3037A>T		intron_variant	Intron 5 of 8	ENST00000260682.8	NP_000762.2	P11712-1S5RV20

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CYP2C9	ENST00000260682.8 link	c.819+3037A>T		intron_variant	Intron 5 of 8	1	NM_000771.4	ENSP00000260682.6		P11712-1
CYP2C9	ENST00000643112.1 link	n.819+3037A>T		intron_variant	Intron 5 of 7			ENSP00000496202.1		A0A2R8YF67

Frequencies

GnomAD3 genomes

AF:

0.00771

AC:

1174

AN:

152218

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0272

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00209

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.0158

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00430

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome

AF:

0.00772

AC:

1176

AN:

152336

Hom.:

Cov.:

AF XY:

0.00741

AC XY:

552

AN XY:

74484

show subpopulations

African (AFR)

AF:

0.0272

AC:

1130

AN:

41580

American (AMR)

AF:

0.00209

AC:

AN:

15296

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.0136

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68034

Other (OTH)

AF:

0.00425

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.503

Heterozygous variant carriers

126

188

251

314

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

100

<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:

0.00444

Hom.:

Bravo

AF:

0.00893

Asia WGS

AF:

0.00115

AC:

AN:

3476

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-1.0

CADD

Benign

1.1

(source)

DANN

Benign

0.54

PhyloP100

-0.38

Mutation Taster

=100/0

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over