Genetic Variant ARNT:n.*393T>C (chr1-150812015-A-G) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The ENST00000471844.6(ARNT):n.*393T>C variant causes a non coding transcript exon change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000588 in 1,534,374 control chromosomes in the GnomAD database, including 2 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 0.0034 ( 2 hom., cov: 32)

Exomes 𝑓: 0.00028 ( 0 hom. )

Consequence

ARNT
ENST00000471844.6 non_coding_transcript_exon

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.19

Publications

2 publications found

Variant links:

Genes affected

ARNT (HGNC:700): (aryl hydrocarbon receptor nuclear translocator) This gene encodes a protein containing a basic helix-loop-helix domain and two characteristic PAS domains along with a PAC domain. The encoded protein binds to ligand-bound aryl hydrocarbon receptor and aids in the movement of this complex to the nucleus, where it promotes the expression of genes involved in xenobiotic metabolism. This protein is also a co-factor for transcriptional regulation by hypoxia-inducible factor 1. Chromosomal translocation of this locus with the ETV6 (ets variant 6) gene on chromosome 12 have been described in leukemias. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2013]

ARNT links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.26).

BS2

High AC in GnomAd4 at 513 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ARNT	NM_001668.4 link	c.*6T>C		3_prime_UTR_variant	Exon 22 of 22	ENST00000358595.10	NP_001659.1	P27540-1

Ensembl

Gene	Transcript	HGVSc	Effect	Exon rank	TSL	MANE	Protein	UniProt
ARNT	ENST00000471844.6 link	n.*393T>C	non_coding_transcript_exon_variant	Exon 17 of 17	2		ENSP00000425899.1	A6NGV6
ARNT	ENST00000358595.10 link	c.*6T>C	3_prime_UTR_variant	Exon 22 of 22	1	NM_001668.4	ENSP00000351407.5	P27540-1
ARNT	ENST00000471844.6 link	n.*393T>C	3_prime_UTR_variant	Exon 17 of 17	2		ENSP00000425899.1	A6NGV6

Frequencies

GnomAD3 genomes

AF:

0.00337

AC:

513

AN:

152218

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0118

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00118

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00239

GnomAD2 exomes

AF:

0.000822

AC:

172

AN:

209140

AF XY:

0.000605

show subpopulations

Gnomad AFR exome

AF:

0.0114

Gnomad AMR exome

AF:

0.000542

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000304

Gnomad OTH exome

AF:

0.000216

GnomAD4 exome

AF:

0.000281

AC:

389

AN:

1382038

Hom.:

Cov.:

AF XY:

0.000239

AC XY:

164

AN XY:

685774

show subpopulations

African (AFR)

AF:

0.0101

AC:

304

AN:

30238

American (AMR)

AF:

0.000814

AC:

AN:

35646

Ashkenazi Jewish (ASJ)

AF:

0.0000418

AC:

AN:

23934

East Asian (EAS)

AF:

0.00

AC:

AN:

35234

South Asian (SAS)

AF:

0.0000266

AC:

AN:

75300

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51792

Middle Eastern (MID)

AF:

0.00110

AC:

AN:

5464

European-Non Finnish (NFE)

AF:

0.00000468

AC:

AN:

1067884

Other (OTH)

AF:

0.000743

AC:

AN:

56546

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.472

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

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

GnomAD4 genome

AF:

0.00337

AC:

513

AN:

152336

Hom.:

Cov.:

AF XY:

0.00330

AC XY:

246

AN XY:

74494

show subpopulations

African (AFR)

AF:

0.0118

AC:

489

AN:

41570

American (AMR)

AF:

0.00118

AC:

AN:

15302

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10622

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68028

Other (OTH)

AF:

0.00237

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.496

Heterozygous variant carriers

123

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

<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:

0.00148

Hom.:

Bravo

AF:

0.00368

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.26

CADD

Benign

(source)

DANN

Benign

0.90

PhyloP100

3.2

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over