Genetic Variant NR1I2:p.Gly278Gly (chr3-119815018-G-A) – ACMG Classification: Benign (-21 pts)

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_022002.3(NR1I2):c.951G>A(p.Gly317Gly) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0019 in 1,614,184 control chromosomes in the GnomAD database, including 48 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.010 ( 18 hom., cov: 32)

Exomes 𝑓: 0.0011 ( 30 hom. )

Consequence

NR1I2
NM_022002.3 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.949

Publications

4 publications found

Variant links:

Genes affected

NR1I2 (HGNC:7968): (nuclear receptor subfamily 1 group I member 2) This gene product belongs to the nuclear receptor superfamily, members of which are transcription factors characterized by a ligand-binding domain and a DNA-binding domain. The encoded protein is a transcriptional regulator of the cytochrome P450 gene CYP3A4, binding to the response element of the CYP3A4 promoter as a heterodimer with the 9-cis retinoic acid receptor RXR. It is activated by a range of compounds that induce CYP3A4, including dexamethasone and rifampicin. Several alternatively spliced transcripts encoding different isoforms, some of which use non-AUG (CUG) translation initiation codon, have been described for this gene. Additional transcript variants exist, however, they have not been fully characterized. [provided by RefSeq, Jul 2008]

NR1I2 Gene-Disease associations (from GenCC):

pediatric lymphoma
Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

NR1I2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.59).

BP6

Variant 3-119815018-G-A is Benign according to our data. Variant chr3-119815018-G-A is described in ClinVar as Benign. ClinVar VariationId is 788396.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-0.949 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.01 (1529/152302) while in subpopulation AFR AF = 0.0351 (1460/41578). AF 95% confidence interval is 0.0336. There are 18 homozygotes in GnomAd4. There are 692 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 18 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_022002.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
NR1I2	NM_003889.4	MANE Select	c.834G>A	p.Gly278Gly	synonymous	Exon 6 of 9	NP_003880.3
NR1I2	NM_022002.3		c.951G>A	p.Gly317Gly	synonymous	Exon 6 of 9	NP_071285.1
NR1I2	NM_033013.3		c.723G>A	p.Gly241Gly	synonymous	Exon 6 of 9	NP_148934.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
NR1I2	ENST00000393716.8	TSL:1 MANE Select	c.834G>A	p.Gly278Gly	synonymous	Exon 6 of 9	ENSP00000377319.3
NR1I2	ENST00000337940.4	TSL:1	c.951G>A	p.Gly317Gly	synonymous	Exon 6 of 9	ENSP00000336528.4
NR1I2	ENST00000466380.6	TSL:1	c.723G>A	p.Gly241Gly	synonymous	Exon 6 of 9	ENSP00000420297.2

Frequencies

GnomAD3 genomes

AF:

0.0100

AC:

1528

AN:

152184

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0352

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00288

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.000118

Gnomad OTH

AF:

0.00765

GnomAD2 exomes

AF:

0.00265

AC:

666

AN:

251376

AF XY:

0.00194

show subpopulations

Gnomad AFR exome

AF:

0.0368

Gnomad AMR exome

AF:

0.00136

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000141

Gnomad OTH exome

AF:

0.000326

GnomAD4 exome

AF:

0.00106

AC:

1543

AN:

1461882

Hom.:

Cov.:

AF XY:

0.000914

AC XY:

665

AN XY:

727246

show subpopulations

African (AFR)

AF:

0.0378

AC:

1265

AN:

33476

American (AMR)

AF:

0.00179

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.000151

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00191

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.0000378

AC:

AN:

1112010

Other (OTH)

AF:

0.00219

AC:

132

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.474

Heterozygous variant carriers

196

295

393

491

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

126

168

210

<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

AF:

0.0100

AC:

1529

AN:

152302

Hom.:

Cov.:

AF XY:

0.00929

AC XY:

692

AN XY:

74466

show subpopulations

African (AFR)

AF:

0.0351

AC:

1460

AN:

41578

American (AMR)

AF:

0.00288

AC:

AN:

15296

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5176

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10614

Middle Eastern (MID)

AF:

0.00340

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000118

AC:

AN:

68018

Other (OTH)

AF:

0.00757

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.496

Heterozygous variant carriers

156

233

311

389

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:

0.00519

Hom.:

Bravo

AF:

0.0119

Asia WGS

AF:

0.00231

AC:

AN:

3478

EpiCase

AF:

0.000164

EpiControl

AF:

0.000178

ClinVar

ClinVar submissions as Germline

Significance:Benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (2)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.59

CADD

Benign

4.8

(source)

DANN

Benign

0.53

PhyloP100

-0.95

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over