Genetic Variant NM_021724.5:c.1636G>C (chr17-40093921-C-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_021724.5(NR1D1):c.1636G>C(p.Val546Leu) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,460,774 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V546F) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

NR1D1
NM_021724.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.16

Publications

0 publications found

Variant links:

Genes affected

NR1D1 (HGNC:7962): (nuclear receptor subfamily 1 group D member 1) This gene encodes a transcription factor that is a member of the nuclear receptor subfamily 1. The encoded protein is a ligand-sensitive transcription factor that negatively regulates the expression of core clock proteins. In particular this protein represses the circadian clock transcription factor aryl hydrocarbon receptor nuclear translocator-like protein 1 (ARNTL). This protein may also be involved in regulating genes that function in metabolic, inflammatory and cardiovascular processes. [provided by RefSeq, Jan 2013]

NR1D1 links:

THRA (HGNC:11796): (thyroid hormone receptor alpha) The protein encoded by this gene is a nuclear hormone receptor for triiodothyronine. It is one of the several receptors for thyroid hormone, and has been shown to mediate the biological activities of thyroid hormone. Knockout studies in mice suggest that the different receptors, while having certain extent of redundancy, may mediate different functions of thyroid hormone. Alternatively spliced transcript variants encoding distinct isoforms have been reported. [provided by RefSeq, Jul 2008]

THRA Gene-Disease associations (from GenCC):

congenital nongoitrous hypothyroidism 6
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae)

THRA links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NR1D1	NM_021724.5 link	c.1636G>C	p.Val546Leu	missense_variant	Exon 7 of 8	ENST00000246672.4	NP_068370.1	P20393F1D8S3
THRA	NM_001190919.2 link	c.*539C>G		downstream_gene_variant			NP_001177848.1	P10827-1
THRA	NM_003250.6 link	c.*539C>G		downstream_gene_variant			NP_003241.2	P10827-1
THRA	NM_001190918.2 link	c.*539C>G		downstream_gene_variant			NP_001177847.1	P10827-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
NR1D1	ENST00000246672.4 link	c.1636G>C	p.Val546Leu	missense_variant	Exon 7 of 8	1	NM_021724.5	ENSP00000246672.3	P20393
THRA	ENST00000264637.8 link	c.*539C>G		downstream_gene_variant		1		ENSP00000264637.4	P10827-1
THRA	ENST00000584985.5 link	c.*539C>G		downstream_gene_variant		1		ENSP00000463466.1	P10827-3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000400

AC:

AN:

250264

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1460774

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726642

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33468

American (AMR)

AF:

0.00

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:

0.0000116

AC:

AN:

86224

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5554

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112002

Other (OTH)

AF:

0.00

AC:

AN:

60342

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.56

BayesDel_addAF

Pathogenic

0.34

BayesDel_noAF

Pathogenic

0.35

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.61

Eigen

Benign

0.11

Eigen_PC

Uncertain

0.26

FATHMM_MKL

Uncertain

0.95

LIST_S2

Uncertain

0.97

M_CAP

Benign

0.054

MetaRNN

Uncertain

0.63

MetaSVM

Uncertain

0.33

MutationAssessor

Benign

1.1

PhyloP100

6.2

PrimateAI

Pathogenic

0.79

PROVEAN

Uncertain

-2.6

REVEL

Pathogenic

0.67

Sift

Benign

0.067

Sift4G

Uncertain

0.0070

Polyphen

0.44

Vest4

0.69

MutPred

0.44

Loss of sheet (P = 0.1398);

MVP

1.0

MPC

1.5

ClinPred

0.94

GERP RS

5.1

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.74

gMVP

0.53

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over