15-51257638-G-A

Variant names:

• chr15-51257638-G-A
• rs6493494
• NM_000103.4:c.-38-14688C>T

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_000103.4(CYP19A1):​c.-38-14688C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.372 in 152,092 control chromosomes in the GnomAD database, including 11,040 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 0.37 (11040 hom., cov: 32)
• Consequence: CYP19A1 NM_000103.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.334
• Publications: 12 publications found

Genes affected

CYP19A1 (HGNC:2594): (cytochrome P450 family 19 subfamily A 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 protein localizes to the endoplasmic reticulum and catalyzes the last steps of estrogen biosynthesis. Mutations in this gene can result in either increased or decreased aromatase activity; the associated phenotypes suggest that estrogen functions both as a sex steroid hormone and in growth or differentiation. Alternative promoter use and alternative splicing results in multiple transcript variants that have different tissue specificities. [provided by RefSeq, Dec 2016]

MIR4713HG (HGNC:53124): (MIR4713 host gene)

ACMG classification

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

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.89).
• BA1: GnomAd4 highest subpopulation (NFE) allele frequency at 95% confidence interval = 0.427 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000103.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CYP19A1	NM_000103.4	MANE Select	c.-38-14688C>T		intron	N/A	NP_000094.2
	CYP19A1	NM_001347248.1		c.-38-14688C>T		intron	N/A	NP_001334177.1
	CYP19A1	NM_001347249.2		c.-38-14688C>T		intron	N/A	NP_001334178.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CYP19A1	ENST00000396402.6	TSL:1 MANE Select	c.-38-14688C>T		intron	N/A	ENSP00000379683.1
	CYP19A1	ENST00000439712.6	TSL:1	n.-282-1877C>T		intron	N/A	ENSP00000390614.2
	CYP19A1	ENST00000557934.5	TSL:1	n.-38-14688C>T		intron	N/A	ENSP00000454004.1

Frequencies

GnomAD3 genomes AF: 0.372 AC: 56509 AN: 151974 Hom.: 11041 Cov.: 32

Gnomad AFR AF: 0.272

Gnomad AMI AF: 0.483

Gnomad AMR AF: 0.313

Gnomad ASJ AF: 0.478

Gnomad EAS AF: 0.419

Gnomad SAS AF: 0.303

Gnomad FIN AF: 0.430

Gnomad MID AF: 0.313

Gnomad NFE AF: 0.431

Gnomad OTH AF: 0.385

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

GnomAD4 genome AF: 0.372 AC: 56524 AN: 152092 Hom.: 11040 Cov.: 32 AF XY: 0.368 AC XY: 27387 AN XY: 74334

African (AFR) AF: 0.272 AC: 11281 AN: 41486

American (AMR) AF: 0.313 AC: 4781 AN: 15278

Ashkenazi Jewish (ASJ) AF: 0.478 AC: 1656 AN: 3466

East Asian (EAS) AF: 0.418 AC: 2155 AN: 5158

South Asian (SAS) AF: 0.306 AC: 1474 AN: 4820

European-Finnish (FIN) AF: 0.430 AC: 4545 AN: 10582

Middle Eastern (MID) AF: 0.330 AC: 97 AN: 294

European-Non Finnish (NFE) AF: 0.431 AC: 29294 AN: 67992

Other (OTH) AF: 0.380 AC: 802 AN: 2108

Alfa AF: 0.403 Hom.: 2148

Bravo AF: 0.359

Asia WGS AF: 0.304 AC: 1056 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.89
CADD	Benign	0.35
DANN	Benign	0.79
PhyloP100		-0.33
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

Other links and lift over

dbSNP: rs6493494; hg19: chr15-51549835;