dbSNP rs765677980: NRBF2:p.Arg20His (chr10-63146237-G-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_030759.5(NRBF2):c.59G>A(p.Arg20His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000254 in 1,612,060 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000026 ( 0 hom. )

Consequence

NRBF2
NM_030759.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.04

Variant links:

Genes affected

NRBF2 (HGNC:19692): (nuclear receptor binding factor 2) Involved in autophagy. Located in cytoplasm. Colocalizes with phosphatidylinositol 3-kinase complex, class III. [provided by Alliance of Genome Resources, Apr 2022]

NRBF2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NRBF2	NM_030759.5 link	c.59G>A	p.Arg20His	missense_variant	Exon 2 of 4	ENST00000277746.11	NP_110386.2	Q96F24-1
NRBF2	NM_001282405.2 link	c.86-5913G>A		intron_variant	Intron 1 of 2		NP_001269334.1	Q96F24-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NRBF2	ENST00000277746.11 link	c.59G>A	p.Arg20His	missense_variant	Exon 2 of 4	1	NM_030759.5	ENSP00000277746.6		Q96F24-1
NRBF2	ENST00000435510.6 link	c.86-5913G>A		intron_variant	Intron 1 of 2	2		ENSP00000397502.2		Q96F24-3

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152204

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.000188

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000678

AC:

AN:

250616

AF XY:

0.0000738

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:

0.000231

Gnomad NFE exome

AF:

0.00000883

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000260

AC:

AN:

1459856

Hom.:

Cov.:

AF XY:

0.0000317

AC XY:

AN XY:

726264

show subpopulations

African (AFR)

AF:

0.0000300

AC:

AN:

33386

American (AMR)

AF:

0.00

AC:

AN:

44614

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26118

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39644

South Asian (SAS)

AF:

0.000267

AC:

AN:

86116

European-Finnish (FIN)

AF:

0.000169

AC:

AN:

53398

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4672

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1111684

Other (OTH)

AF:

0.0000166

AC:

AN:

60224

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

AF:

0.0000197

AC:

AN:

152204

Hom.:

Cov.:

AF XY:

0.0000403

AC XY:

AN XY:

74372

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41450

American (AMR)

AF:

0.00

AC:

AN:

15272

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5208

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.000188

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68030

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000113

ExAC

AF:

0.0000741

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

May 14, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.59G>A (p.R20H) alteration is located in exon 2 (coding exon 2) of the NRBF2 gene. This alteration results from a G to A substitution at nucleotide position 59, causing the arginine (R) at amino acid position 20 to be replaced by a histidine (H). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.23

BayesDel_addAF

Benign

-0.20

BayesDel_noAF

Benign

-0.21

CADD

Pathogenic

(source)

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.23

Eigen

Uncertain

0.66

Eigen_PC

Uncertain

0.64

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Benign

0.84

M_CAP

Benign

0.0065

MetaRNN

Uncertain

0.64

MetaSVM

Benign

-0.52

MutationAssessor

Benign

1.4

PhyloP100

9.0

PrimateAI

Uncertain

0.74

PROVEAN

Benign

-2.2

REVEL

Benign

0.21

Sift

Benign

0.050

Sift4G

Uncertain

0.0060

Polyphen

1.0

Vest4

0.73

MutPred

0.30

Loss of MoRF binding (P = 0.0095);

MVP

0.82

MPC

0.20

ClinPred

0.28

GERP RS

3.9

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.36

gMVP

0.22

Mutation Taster

=29/71

disease causing

(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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rs765677980

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over