dbSNP rs758490397: RABEP1:p.Ser393* (chr17-5361290-C-A) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_004703.6(RABEP1):c.1178C>A(p.Ser393*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,878 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. S393S) has been classified as Likely benign. Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

RABEP1
NM_004703.6 stop_gained

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.64

Publications

0 publications found

Variant links:

Genes affected

RABEP1 (HGNC:17677): (rabaptin, RAB GTPase binding effector protein 1) Enables protein domain specific binding activity and protein homodimerization activity. Involved in vesicle-mediated transport. Located in endocytic vesicle and endosome. Part of protein-containing complex. [provided by Alliance of Genome Resources, Apr 2022]

RABEP1 links:

NUP88 (HGNC:8067): (nucleoporin 88) The nuclear pore complex is a massive structure that extends across the nuclear envelope, forming a gateway that regulates the flow of macromolecules between the nucleus and the cytoplasm. Nucleoporins, a family of 50 to 100 proteins, are the main components of the nuclear pore complex in eukaryotic cells. The protein encoded by this gene belongs to the nucleoporin family and is associated with the oncogenic nucleoporin CAN/Nup214 in a dynamic subcomplex. This protein is also overexpressed in a large number of malignant neoplasms and precancerous dysplasias. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Mar 2016]

NUP88 Gene-Disease associations (from GenCC):

fetal akinesia deformation sequence 4
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
fetal akinesia deformation sequence 1
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

NUP88 links:

LOC105371505 (HGNC:):

LOC105371505 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004703.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
RABEP1	NM_004703.6	MANE Select	c.1178C>A	p.Ser393*	stop_gained	Exon 9 of 18	NP_004694.2
RABEP1	NM_001083585.3		c.1178C>A	p.Ser393*	stop_gained	Exon 9 of 17	NP_001077054.1	Q15276-2
RABEP1	NM_001291581.2		c.1049C>A	p.Ser350*	stop_gained	Exon 8 of 17	NP_001278510.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
RABEP1	ENST00000537505.6	TSL:1 MANE Select	c.1178C>A	p.Ser393*	stop_gained	Exon 9 of 18	ENSP00000445408.2	Q15276-1
RABEP1	ENST00000341923.10	TSL:1	c.1178C>A	p.Ser393*	stop_gained	Exon 9 of 17	ENSP00000339569.6	Q15276-2
NUP88	ENST00000573169.1	TSL:1	n.868G>T		non_coding_transcript_exon	Exon 2 of 2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461878

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727240

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.0000187

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112008

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Pathogenic

0.57

BayesDel_noAF

Pathogenic

0.58

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

Eigen

Uncertain

0.59

Eigen_PC

Uncertain

0.42

FATHMM_MKL

Uncertain

0.76

PhyloP100

1.6

Vest4

0.81

GERP RS

3.7

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over