Genetic Variant RAB33A:p.Asn136Ser (chrX-130184433-A-G) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4BS2

The NM_004794.3(RAB33A):c.407A>G(p.Asn136Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000071 in 1,210,428 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 27 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., 1 hem., cov: 23)

Exomes 𝑓: 0.000073 ( 0 hom. 26 hem. )

Consequence

RAB33A
NM_004794.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.32

Publications

0 publications found

Variant links:

Genes affected

RAB33A (HGNC:9773): (RAB33A, member RAS oncogene family) The protein encoded by this gene belongs to the small GTPase superfamily, Rab family. It is GTP-binding protein and may be involved in vesicle transport. [provided by RefSeq, Jul 2008]

RAB33A links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.26878786).

BS2

High Hemizygotes in GnomAdExome4 at 26 gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004794.3. 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
	RAB33A	NM_004794.3	MANE Select	c.407A>G	p.Asn136Ser	missense	Exon 2 of 2	NP_004785.1	Q14088

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RAB33A	ENST00000257017.5	TSL:1 MANE Select	c.407A>G	p.Asn136Ser	missense	Exon 2 of 2	ENSP00000257017.4	Q14088
	RAB33A	ENST00000970517.1		c.401A>G	p.Asn134Ser	missense	Exon 2 of 2	ENSP00000640576.1

Frequencies

GnomAD3 genomes

AF:

0.0000534

AC:

AN:

112435

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000944

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:

0.0000938

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000599

AC:

AN:

183487

AF XY:

0.0000442

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:

0.0000625

Gnomad NFE exome

AF:

0.000122

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000729

AC:

AN:

1097939

Hom.:

Cov.:

AF XY:

0.0000716

AC XY:

AN XY:

363299

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26401

American (AMR)

AF:

0.00

AC:

AN:

35207

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19385

East Asian (EAS)

AF:

0.00

AC:

AN:

30205

South Asian (SAS)

AF:

0.0000185

AC:

AN:

54142

European-Finnish (FIN)

AF:

0.0000247

AC:

AN:

40534

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4136

European-Non Finnish (NFE)

AF:

0.0000820

AC:

AN:

841839

Other (OTH)

AF:

0.000195

AC:

AN:

46090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.479

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome 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

GnomAD4 genome

AF:

0.0000533

AC:

AN:

112489

Hom.:

Cov.:

AF XY:

0.0000289

AC XY:

AN XY:

34645

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31027

American (AMR)

AF:

0.0000943

AC:

AN:

10602

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2654

East Asian (EAS)

AF:

0.00

AC:

AN:

3582

South Asian (SAS)

AF:

0.00

AC:

AN:

2718

European-Finnish (FIN)

AF:

0.00

AC:

AN:

6182

Middle Eastern (MID)

AF:

0.00

AC:

AN:

219

European-Non Finnish (NFE)

AF:

0.0000938

AC:

AN:

53286

Other (OTH)

AF:

0.00

AC:

AN:

1539

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.555

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

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:

0.0000868

Hom.:

Bravo

AF:

0.0000642

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000149

AC:

ExAC

AF:

0.0000247

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.0000593

ClinVar

ClinVar submissions as Germline

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.076

BayesDel_addAF

Benign

-0.22

BayesDel_noAF

Benign

-0.35

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.28

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.88

M_CAP

Benign

0.050

MetaRNN

Benign

0.27

MetaSVM

Benign

-0.55

MutationAssessor

Benign

1.0

PhyloP100

9.3

PrimateAI

Uncertain

0.56

PROVEAN

Benign

-1.7

REVEL

Uncertain

0.39

Sift

Benign

0.067

Sift4G

Benign

0.23

Polyphen

0.067

Vest4

0.36

MVP

0.90

MPC

1.6

ClinPred

0.25

GERP RS

4.7

Varity_R

0.28

gMVP

0.84

Mutation Taster

=83/17

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over