chr15-50496031-G-C
Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_005154.5(USP8):c.2842G>C(p.Ala948Pro) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: not found (cov: 31)
Consequence
USP8
NM_005154.5 missense
NM_005154.5 missense
Scores
2
5
11
Clinical Significance
Conservation
PhyloP100: 7.38
Genes affected
USP8 (HGNC:12631): (ubiquitin specific peptidase 8) This gene encodes a protein that belongs to the ubiquitin-specific processing protease family of proteins. The encoded protein is thought to regulate the morphology of the endosome by ubiquitination of proteins on this organelle and is involved in cargo sorting and membrane trafficking at the early endosome stage. This protein is required for the cell to enter the S phase of the cell cycle and also functions as a positive regulator in the Hedgehog signaling pathway in development. Pseudogenes of this gene are present on chromosomes 2 and 6. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Sep 2013]
USP50 (HGNC:20079): (ubiquitin specific peptidase 50) Enables ubiquitin-like protein-specific protease activity. Acts upstream of or within several processes, including nuclear speck organization; positive regulation of NLRP3 inflammasome complex assembly; and positive regulation of macromolecule metabolic process. Predicted to be active in several cellular components, including dendritic spine; midbody; and postsynaptic density. Predicted to be extrinsic component of endosome membrane and extrinsic component of plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 2 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
USP8 | NM_005154.5 | c.2842G>C | p.Ala948Pro | missense_variant | 17/20 | ENST00000307179.9 | |
USP8 | NM_001128610.3 | c.2842G>C | p.Ala948Pro | missense_variant | 17/20 | ||
USP8 | NM_001283049.2 | c.2524G>C | p.Ala842Pro | missense_variant | 14/17 | ||
USP50 | XR_007064444.1 | n.1917+866C>G | intron_variant, non_coding_transcript_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
USP8 | ENST00000307179.9 | c.2842G>C | p.Ala948Pro | missense_variant | 17/20 | 1 | NM_005154.5 | P1 |
Frequencies
GnomAD3 genomes ? Cov.: 31
GnomAD3 genomes
?
Cov.:
31
GnomAD4 exome Cov.: 30
GnomAD4 exome
Cov.:
30
GnomAD4 genome ? Cov.: 31
GnomAD4 genome
?
Cov.:
31
ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Hereditary spastic paraplegia Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Mar 18, 2022 | In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). ClinVar contains an entry for this variant (Variation ID: 938030). This variant has not been reported in the literature in individuals affected with USP8-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces alanine, which is neutral and non-polar, with proline, which is neutral and non-polar, at codon 948 of the USP8 protein (p.Ala948Pro). - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Uncertain
D
BayesDel_noAF
Uncertain
Cadd
Benign
Dann
Uncertain
DEOGEN2
Benign
T;T;.
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Pathogenic
D
M_CAP
Benign
T
MetaRNN
Uncertain
D;D;D
MetaSVM
Benign
T
MutationAssessor
Benign
N;N;.
MutationTaster
Benign
D;D;D;D
PrimateAI
Uncertain
T
PROVEAN
Benign
N;N;N
REVEL
Benign
Sift
Benign
T;T;T
Sift4G
Benign
T;T;T
Polyphen
B;B;.
Vest4
MutPred
Loss of catalytic residue at A948 (P = 0.0441);Loss of catalytic residue at A948 (P = 0.0441);.;
MVP
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at