chr1-26911927-A-G

Variant names:

• chr1-26911927-A-G
• NM_021969.3:c.692T>C

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2 PP3_Strong

The NM_021969.3(NR0B2):​c.692T>C​(p.Leu231Pro) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (no stars).

• Frequency: Genomes: not found (cov: 32)
• Consequence: NR0B2 NM_021969.3 missense
• Clinical Significance: Uncertain significance no assertion criteria provided U:1
• Conservation: PhyloP100: 8.56
• Publications: 0 publications found

Genes affected

NR0B2 (HGNC:7961): (nuclear receptor subfamily 0 group B member 2) The protein encoded by this gene is an unusual orphan receptor that contains a putative ligand-binding domain but lacks a conventional DNA-binding domain. The gene product is a member of the nuclear hormone receptor family, a group of transcription factors regulated by small hydrophobic hormones, a subset of which do not have known ligands and are referred to as orphan nuclear receptors. The protein has been shown to interact with retinoid and thyroid hormone receptors, inhibiting their ligand-dependent transcriptional activation. In addition, interaction with estrogen receptors has been demonstrated, leading to inhibition of function. Studies suggest that the protein represses nuclear hormone receptor-mediated transactivation via two separate steps: competition with coactivators and the direct effects of its transcriptional repressor function. [provided by RefSeq, Jul 2008]

NUDC (HGNC:8045): (nuclear distribution C, dynein complex regulator) This gene encodes a nuclear distribution protein that plays an essential role in mitosis and cytokinesis. The encoded protein is involved in spindle formation during mitosis and in microtubule organization during cytokinesis. Pseudogenes of this gene are found on chromosome 2. [provided by RefSeq, Feb 2012]

ACMG classification

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.945

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_021969.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	NR0B2	NM_021969.3	MANE Select	c.692T>C	p.Leu231Pro	missense	Exon 2 of 2	NP_068804.1	Q15466

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	NR0B2	ENST00000254227.4	TSL:1 MANE Select	c.692T>C	p.Leu231Pro	missense	Exon 2 of 2	ENSP00000254227.3	Q15466
	NUDC	ENST00000435827.6	TSL:5	c.93+692A>G		intron	N/A	ENSP00000404020.2	A0A0A0MSU9

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 32

ClinVar

ClinVar submissions as Germline

Significance: Uncertain significance

Revision: no assertion criteria provided

Pathogenic	VUS	Benign	Condition
-	1	-	NR0B2-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Uncertain	0.54
BayesDel_addAF	Pathogenic	0.34	D
BayesDel_noAF	Pathogenic	0.24
CADD	Pathogenic	29
DANN	Pathogenic	1.0
DEOGEN2	Pathogenic	0.90	D
Eigen	Pathogenic	0.85
Eigen_PC	Pathogenic	0.84
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Benign	0.73	T
M_CAP	Uncertain	0.25	D
MetaRNN	Pathogenic	0.95	D
MetaSVM	Uncertain	0.20	D
MutationAssessor	Uncertain	2.3	M
PhyloP100		8.6
PrimateAI	Uncertain	0.57	T
PROVEAN	Uncertain	-3.6	D
REVEL	Pathogenic	0.76
Sift	Uncertain	0.0070	D
Sift4G	Uncertain	0.011	D
Polyphen		1.0	D
Vest4		0.86
MutPred		0.79		Loss of stability (P = 0.0196)
MVP		0.66
MPC		0.43
ClinPred		0.99	D
GERP RS		6.0
Varity_R		0.89
gMVP		0.91
Mutation Taster		=22/78	disease causing

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

hg19: chr1-27238418;