rs145253993

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PP2PP3_Moderate

The NM_183235.3(RAB27A):c.17A>G(p.Tyr6Cys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000794 in 1,612,396 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000075 ( 0 hom. )

Consequence

RAB27A
NM_183235.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 7.92

Publications

4 publications found

Variant links:

Genes affected

RAB27A (HGNC:9766): (RAB27A, member RAS oncogene family) The protein encoded by this gene belongs to the small GTPase superfamily, Rab family. The protein is membrane-bound and may be involved in protein transport and small GTPase mediated signal transduction. Mutations in this gene are associated with Griscelli syndrome type 2. Alternative splicing occurs at this locus and four transcript variants encoding the same protein have been identified. [provided by RefSeq, Jul 2008]

RAB27A Gene-Disease associations (from GenCC):

Griscelli syndrome type 2
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), ClinGen, Orphanet

RAB27A links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 15 curated pathogenic missense variants (we use a threshold of 10). The gene has 1 curated benign missense variants. Gene score misZ: -0.51469 (below the threshold of 3.09). Trascript score misZ: 0.058062 (below the threshold of 3.09). GenCC associations: The gene is linked to Griscelli syndrome type 2.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.85

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_183235.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
RAB27A	NM_183235.3	MANE Select	c.17A>G	p.Tyr6Cys	missense	Exon 3 of 7	NP_899058.1	P51159-1
RAB27A	NM_001438970.1		c.17A>G	p.Tyr6Cys	missense	Exon 4 of 8	NP_001425899.1
RAB27A	NM_001438972.1		c.17A>G	p.Tyr6Cys	missense	Exon 3 of 7	NP_001425901.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
RAB27A	ENST00000336787.6	TSL:1 MANE Select	c.17A>G	p.Tyr6Cys	missense	Exon 3 of 7	ENSP00000337761.1	P51159-1
RAB27A	ENST00000396307.6	TSL:1	c.17A>G	p.Tyr6Cys	missense	Exon 2 of 6	ENSP00000379601.2	P51159-1
RAB27A	ENST00000564609.5	TSL:1	c.17A>G	p.Tyr6Cys	missense	Exon 3 of 7	ENSP00000455012.1	P51159-1

Frequencies

GnomAD3 genomes

AF:

0.000125

AC:

AN:

152196

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000483

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000655

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:

0.000220

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.000152

AC:

AN:

249682

AF XY:

0.000178

show subpopulations

Gnomad AFR exome

AF:

0.0000618

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:

0.000292

Gnomad OTH exome

AF:

0.000660

GnomAD4 exome

AF:

0.0000746

AC:

109

AN:

1460200

Hom.:

Cov.:

AF XY:

0.0000895

AC XY:

AN XY:

726454

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33408

American (AMR)

AF:

0.0000224

AC:

AN:

44582

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26096

East Asian (EAS)

AF:

0.00

AC:

AN:

39588

South Asian (SAS)

AF:

0.00

AC:

AN:

86212

European-Finnish (FIN)

AF:

0.0000189

AC:

AN:

53034

Middle Eastern (MID)

AF:

0.000348

AC:

AN:

5752

European-Non Finnish (NFE)

AF:

0.0000864

AC:

AN:

1111250

Other (OTH)

AF:

0.000133

AC:

AN:

60278

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.487

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

AF:

0.000125

AC:

AN:

152196

Hom.:

Cov.:

AF XY:

0.000121

AC XY:

AN XY:

74344

show subpopulations

African (AFR)

AF:

0.0000483

AC:

AN:

41448

American (AMR)

AF:

0.0000655

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4838

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.000220

AC:

AN:

68032

Other (OTH)

AF:

0.000478

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.512

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:

0.000281

Hom.:

Bravo

AF:

0.0000907

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000233

AC:

ExAC

AF:

0.000157

AC:

EpiCase

AF:

0.000327

EpiControl

AF:

0.000357

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Autoinflammatory syndrome (1)

Griscelli syndrome type 2 (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.69

BayesDel_addAF

Uncertain

0.11

BayesDel_noAF

Pathogenic

0.22

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.78

Eigen

Pathogenic

0.81

Eigen_PC

Pathogenic

0.79

FATHMM_MKL

Uncertain

0.93

LIST_S2

Pathogenic

0.99

M_CAP

Uncertain

0.15

MetaRNN

Pathogenic

0.85

MetaSVM

Uncertain

0.21

MutationAssessor

Benign

1.9

PhyloP100

7.9

PrimateAI

Pathogenic

0.95

PROVEAN

Pathogenic

-6.3

REVEL

Pathogenic

0.81

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0010

Polyphen

1.0

Vest4

0.81

MVP

0.82

MPC

0.15

ClinPred

0.45

GERP RS

5.6

Varity_R

0.81

gMVP

0.87

Mutation Taster

=17/83

disease causing

(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