Genetic Variant NBEAL1:p.Ser211Gly (chr2-203077784-A-G) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_001378026.1(NBEAL1):c.631A>G(p.Ser211Gly) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000082 in 1,463,856 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S211R) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000076 ( 0 hom. )

Consequence

NBEAL1
NM_001378026.1 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.99

Publications

2 publications found

Variant links:

Genes affected

NBEAL1 (HGNC:20681): (neurobeachin like 1) Predicted to enable protein kinase binding activity. Predicted to be involved in protein localization. Predicted to be active in cytosol and membrane. [provided by Alliance of Genome Resources, Apr 2022]

NBEAL1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.32758254).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NBEAL1	NM_001378026.1 link	c.631A>G	p.Ser211Gly	missense_variant	Exon 8 of 56	ENST00000683969.1	NP_001364955.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NBEAL1	ENST00000683969.1 link	c.631A>G	p.Ser211Gly	missense_variant	Exon 8 of 56		NM_001378026.1	ENSP00000508055.1		A0A804HKS6

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152152

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:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000777

AC:

AN:

128714

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:

0.0000196

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000762

AC:

AN:

1311704

Hom.:

Cov.:

AF XY:

0.00000933

AC XY:

AN XY:

643266

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

29010

American (AMR)

AF:

0.00

AC:

AN:

29030

Ashkenazi Jewish (ASJ)

AF:

0.0000429

AC:

AN:

23332

East Asian (EAS)

AF:

0.00

AC:

AN:

32792

South Asian (SAS)

AF:

0.00

AC:

AN:

58838

European-Finnish (FIN)

AF:

0.00

AC:

AN:

45774

Middle Eastern (MID)

AF:

0.000230

AC:

AN:

4352

European-Non Finnish (NFE)

AF:

0.00000773

AC:

AN:

1034736

Other (OTH)

AF:

0.00

AC:

AN:

53840

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152152

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74338

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41452

American (AMR)

AF:

0.00

AC:

AN:

15282

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5198

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10572

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68026

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

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

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Nov 13, 2023

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.631A>G (p.S211G) alteration is located in exon 8 (coding exon 7) of the NBEAL1 gene. This alteration results from a A to G substitution at nucleotide position 631, causing the serine (S) at amino acid position 211 to be replaced by a glycine (G). 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

0.10

BayesDel_addAF

Uncertain

0.016

BayesDel_noAF

Benign

-0.21

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.0045

Eigen

Uncertain

0.67

Eigen_PC

Pathogenic

0.71

FATHMM_MKL

Pathogenic

1.0

LIST_S2

Uncertain

0.87

M_CAP

Benign

0.017

MetaRNN

Benign

0.33

MetaSVM

Benign

-0.57

MutationAssessor

Uncertain

2.1

PhyloP100

9.0

PrimateAI

Uncertain

0.78

PROVEAN

Benign

-1.3

REVEL

Benign

0.20

Sift

Benign

0.43

Sift4G

Benign

0.59

Polyphen

0.99

Vest4

0.46

MutPred

0.28

Loss of stability (P = 0.0356);

MVP

0.69

MPC

0.45

ClinPred

0.65

GERP RS

5.9

Varity_R

0.17

gMVP

0.23

Mutation Taster

=71/29

polymorphism

(source)

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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2-203077784-A-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over