NM_031229.4:c.756+3G>A

Variant names:

Variant summary

Our verdict is Benign. The variant received -18 ACMG points: 0P and 18B. BP4_ModerateBP6_Very_StrongBS1BS2

The NM_031229.4(RBCK1):c.756+3G>A variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000632 in 1,551,560 control chromosomes in the GnomAD database, including 6 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0032 ( 4 hom., cov: 33)

Exomes 𝑓: 0.00035 ( 2 hom. )

Consequence

RBCK1
NM_031229.4 splice_region, intron

Scores

Splicing: ADA: 0.0007947

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 1.70

Publications

0 publications found

Variant links:

Genes affected

RBCK1 (HGNC:15864): (RANBP2-type and C3HC4-type zinc finger containing 1) Enables several functions, including identical protein binding activity; protein sequestering activity; and ubiquitin binding activity. Involved in several processes, including T cell receptor signaling pathway; cellular protein metabolic process; and regulation of DNA-binding transcription factor activity. Part of LUBAC complex. Implicated in glycogen storage disease. [provided by Alliance of Genome Resources, Apr 2022]

RBCK1 Gene-Disease associations (from GenCC):

polyglucosan body myopathy 1 with or without immunodeficiency
Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, PanelApp Australia
autoinflammatory syndrome with pyogenic bacterial infection and amylopectinosis
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
polyglucosan body myopathy type 1
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

RBCK1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -18 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.46).

BP6

Variant 20-419734-G-A is Benign according to our data. Variant chr20-419734-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 475185.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00318 (484/152300) while in subpopulation AFR AF = 0.011 (455/41550). AF 95% confidence interval is 0.0101. There are 4 homozygotes in GnomAd4. There are 222 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 4 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RBCK1	NM_031229.4 link	c.756+3G>A		splice_region_variant, intron_variant	Intron 6 of 11	ENST00000356286.10	NP_112506.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RBCK1	ENST00000356286.10 link	c.756+3G>A		splice_region_variant, intron_variant	Intron 6 of 11	1	NM_031229.4	ENSP00000348632.6		Q9BYM8-1

Frequencies

GnomAD3 genomes

AF:

0.00318

AC:

484

AN:

152182

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0110

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00124

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:

0.00

Gnomad OTH

AF:

0.00478

GnomAD2 exomes

AF:

0.000792

AC:

121

AN:

152714

AF XY:

0.000571

show subpopulations

Gnomad AFR exome

AF:

0.0118

Gnomad AMR exome

AF:

0.000427

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:

0.000685

GnomAD4 exome

AF:

0.000354

AC:

496

AN:

1399260

Hom.:

Cov.:

AF XY:

0.000296

AC XY:

205

AN XY:

691476

show subpopulations

African (AFR)

AF:

0.0134

AC:

431

AN:

32128

American (AMR)

AF:

0.000565

AC:

AN:

37152

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25132

East Asian (EAS)

AF:

0.00

AC:

AN:

36552

South Asian (SAS)

AF:

0.00

AC:

AN:

79962

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40222

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5672

European-Non Finnish (NFE)

AF:

0.00000184

AC:

AN:

1084204

Other (OTH)

AF:

0.000721

AC:

AN:

58236

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.484

Heterozygous variant carriers

123

154

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome 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

GnomAD4 genome

AF:

0.00318

AC:

484

AN:

152300

Hom.:

Cov.:

AF XY:

0.00298

AC XY:

222

AN XY:

74478

show subpopulations

African (AFR)

AF:

0.0110

AC:

455

AN:

41550

American (AMR)

AF:

0.00124

AC:

AN:

15298

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5192

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10630

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68006

Other (OTH)

AF:

0.00473

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.502

Heterozygous variant carriers

106

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:

0.00105

Hom.:

Bravo

AF:

0.00391

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Polyglucosan body myopathy type 1

Benign:2

Sep 28, 2023

ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Feb 02, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.46

CADD

Benign

(source)

DANN

Benign

0.86

PhyloP100

1.7

RBP_binding_hub_radar

0.77

RBP_regulation_power_radar

3.4

Mutation Taster

=81/19

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.00079

dbscSNV1_RF

Benign

0.066

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

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over