rs9301462

chr13-110555518-G-A

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_017817.3(RAB20):c.172+5830C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0966 in 152,188 control chromosomes in the GnomAD database, including 2,403 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.097 (2403 hom., cov: 33)
• Consequence: RAB20 NM_017817.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -1.14

Genes affected

RAB20 (HGNC:18260): (RAB20, member RAS oncogene family) Predicted to enable GTPase activity. Involved in phagosome acidification and phagosome-lysosome fusion. Located in Golgi apparatus and phagocytic vesicle. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-1.07).
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.329 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
RAB20	NM_017817.3	c.172+5830C>T		intron_variant		ENST00000267328.5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
RAB20	ENST00000267328.5	c.172+5830C>T		intron_variant		1	NM_017817.3	P1

Frequencies

GnomAD3 genomes AF: 0.0964 AC: 14653 AN: 152070 Hom.: 2391 Cov.: 33

Gnomad AFR AF: 0.334

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0386

Gnomad ASJ AF: 0.00375

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.000621

Gnomad FIN AF: 0.000283

Gnomad MID AF: 0.00949

Gnomad NFE AF: 0.00132

Gnomad OTH AF: 0.0717

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.0966 AC: 14697 AN: 152188 Hom.: 2403 Cov.: 33 AF XY: 0.0921 AC XY: 6853 AN XY: 74416

Gnomad4 AFR AF: 0.334

Gnomad4 AMR AF: 0.0386

Gnomad4 ASJ AF: 0.00375

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.000207

Gnomad4 FIN AF: 0.000283

Gnomad4 NFE AF: 0.00132

Gnomad4 OTH AF: 0.0728

Alfa AF: 0.0876 Hom.: 241

Bravo AF: 0.111

Asia WGS AF: 0.0230 AC: 83 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-1.1
Cadd	Benign	0.053
Dann	Benign	0.56

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

LitVar

Other links and lift over

dbSNP: rs9301462; hg19: chr13-111207865;