ASpdb: an integrative knowledgebase of human protein isoforms from experimental and AI-predicted structures
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Center for Computational Systems Medicine
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Protein Summary

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AS Summary

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Protein Functional Features

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Gene Isoform Structures and Expression Levels

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Protein Structures

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pLDDT Score Distribution

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Ramachandran Plot of Protein Structures

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Potential Active Site Information

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Protein Structure and Feature Comparision

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Protein-Protein Interaction

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Related Drugs

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Related Diseases

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Clinically Important Variants

Protein:VAPA

Protein Summary

check button Gene summary
Gene name: VAPA
ASpdb.0 ID: 9218
Gene
Gene symbol

VAPA

Gene ID

9218

Gene nameVAMP associated protein A
SynonymsVAMP-A|VAP-33|VAP-A|VAP33|hVAP-33
Cytomap

18p11.22

Type of geneprotein-coding
Descriptionvesicle-associated membrane protein-associated protein A33 kDa VAMP-associated proteinVAMP (vesicle-associated membrane protein)-associated protein A, 33kDaepididymis secretory sperm binding protein
Modification date20240407
UniProtAcc

Q9P0L0


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneVAPA

GO:0000139

Golgi membrane

24209621

GeneVAPA

GO:0005783

endoplasmic reticulum

18713837|19289470

GeneVAPA

GO:0005789

endoplasmic reticulum membrane

12023275|30741634|32344433|33124732

GeneVAPA

GO:0005886

plasma membrane

10523508

GeneVAPA

GO:0005923

bicellular tight junction

10523508

GeneVAPA

GO:0015914

phospholipid transport

24209621

GeneVAPA

GO:0015918

sterol transport

24209621

GeneVAPA

GO:0019076

viral release from host cell

19515777

GeneVAPA

GO:0030301

cholesterol transport

33124732

GeneVAPA

GO:0031982

vesicle

10523508

GeneVAPA

GO:0033149

FFAT motif binding

33124732

GeneVAPA

GO:0042803

protein homodimerization activity

33124732

GeneVAPA

GO:0044828

negative regulation by host of viral genome replication

19515777

GeneVAPA

GO:0044829

positive regulation by host of viral genome replication

19515777

GeneVAPA

GO:0048471

perinuclear region of cytoplasm

16895911

GeneVAPA

GO:0061817

endoplasmic reticulum-plasma membrane tethering

33124732

GeneVAPA

GO:0070971

endoplasmic reticulum exit site

18713837



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
Q9P0L0-1Q9P0L0-1_6tqr_A.pdb6TQRX-ray1.85A9134

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
Q9P0L0VAPAQ9P0L0-1Q9P0L0-2249294139139SubstitutionLLGITPPGNAPTVTSMSSINNTVATPASYHTKDDPRGLSVLKQEKQK139184

check buttonMultiple sequence alignment of our canonical and alternatively spliced VAPA

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of VAPA
UniProt-idENSGENSTENSP
Q9P0L0-1ENSG00000101558.14ENST00000400000.7ENSP00000382880.3
Q9P0L0-2ENSG00000101558.14ENST00000340541.4ENSP00000345656.4

UniProt-idNM IDNP ID
Q9P0L0-1NM_194434.2NP_919415.2
Q9P0L0-2NM_003574.5NP_003565.4

check buttonAmino acid sequences of our canonical and alternatively spliced VAPA
accession_idProtein sequence
Q9P0L0-1MASASGAMAKHEQILVLDPPTDLKFKGPFTDVVTTNLKLRNPSDRKVCFKVKTTAPRRYCVRPNSGIIDPGSTVTVSVMLQPFDYDPNEK
SKHKFMVQTIFAPPNTSDMEAVWKEAKPDELMDSKLRCVFEMPNENDKLNDMEPSKAVPLNASKQDGPMPKPHSVSLNDTETRKLMEECK
Q9P0L0-2MASASGAMAKHEQILVLDPPTDLKFKGPFTDVVTTNLKLRNPSDRKVCFKVKTTAPRRYCVRPNSGIIDPGSTVTVSVMLQPFDYDPNEK
SKHKFMVQTIFAPPNTSDMEAVWKEAKPDELMDSKLRCVFEMPNENDKLGITPPGNAPTVTSMSSINNTVATPASYHTKDDPRGLSVLKQ
EKQKNDMEPSKAVPLNASKQDGPMPKPHSVSLNDTETRKLMEECKRLQGEMMKLSEENRHLRDEGLRLRKVAHSDKPGSTSTASFRDNVT

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
VAPA (go to UniProt):Q9P0L0

check buttonRetention analysis result of protein across 39 protein features of UniProt such as six molecule processing features, 13 region features, four site features, six amino acid modification features, two natural variation features, five experimental info features, and 3 secondary structure features. Here, because of limited space for viewing, we only show the protein feature retention information belong to the 13 regional features. All retention annotation result can be downloaded at

download page

* Minus value of BPloci means that the break pointn is located before the CDS.
- Retained protein feature among the 13 regional features.
Accession_idSubsectionStartEndFuncitonal featureSplicing information
Q9P0L0Topological domain2227Note=Cytoplasmic;Ontology_term=ECO:0000255;evidence=ECO:0000255Type=Substitution;Start=139;End=139
Q9P0L0Region135167Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Substitution;Start=139;End=139


Gene Isoform Structures and Expression Levels for VAPA

check buttonGene structures of our canonical and alternative spliced genes of VAPA
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of VAPA

check button Expression levels of gene isoforms across GTEx.
gtex expression

check button Expression levels of gene isoforms across TCGA.
tcga expression


Protein Structures

check button PDB and CIF files of the predicted protein structures
* Here we show the 3D structure of the proteins using Mol*. AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100. Model confidence is shown from the pLDDT values per residue. pLDDT corresponds to the model’s prediction of its score on the local Distance Difference Test. It is a measure of local accuracy (from AlphfaFold website). To color code individual residues, we transformed individual PDB files into CIF format.
3D view using mol* of Q9P0L0-1
3D view using mol* of Q9P0L0-2


pLDDT Score Distribution

check button pLDDT score distribution of the predicted protein structures from AlphaFold2
* AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100.
pLDDT distribution across the protein length of Q9P0L0-1
all structure
pLDDT distribution across the protein length of Q9P0L0-2
all structure


Ramachandran Plot of Protein Structures


check button Ramachandran plot of the torsional angles - phi (φ)and psi (ψ) - of the residues (amino acids) contained in this protein peptide.
Ramachandran plot of Q9P0L0-1
all structure
Ramachandran plot of Q9P0L0-2
all structure

Potential Active Site Information


check button The potential binding sites of these proteins were identified using SiteMap, a module of the Schrodinger suite.
UniProt-idSite scoreSizeD scoreVolumeExposureEnclosureContactPhobicPhilicBalanceDon/AccResidues
Q9P0L0-10.636380.598112.8470.7720.550.7130.170.9560.1781.21845,100,101,103,105,106,107,108,111,112,115,116,120
,122
Q9P0L0-20.9421090.982558.4040.7490.5820.7380.290.9410.3080.79545,46,50,65,66,67,68,69,72,74,100,101,102,103,104,
106,107,108,109,110,112,113,114,115,116,120,228,23
2,235,236,238,239,242

Protein Structure and Feature Comparision


check button Protein Structure Comparision Using Template Modeling Scores (TM-score).
all structure

check button Protein Structure Comparision Visualization with mol*. between Canonical predicted structure (AF2)(orange) vs Canonical validated structure (PDB)(green)
3D view using mol* of Q9P0L0-1_Q9P0L0-1_6tqr_A.pdb

check button Protein Structure Comparision Visualization with mol*. between Canonical validated structure (PDB)(orange) vs Alternative predicted structure (AF2)(green)
3D view using mol* of Q9P0L0-1_6tqr_A_Q9P0L0-2.pdb

check button Protein Structure Comparision Visualization with mol*. between Canonical predicted structure (AF2)(orange) vs Alternative predicted structure (AF2)(green)
3D view using mol* of Q9P0L0-1_Q9P0L0-2.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/Q9P0L0-1_vs_Q9P0L0-2.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/Q9P0L0-1_vs_Q9P0L0-2.png
all structure<


Protein-Protein Interaction


check button Interactors from UniProt.
Accession_idSubsectionStartEndFuncitonal featureSplicing information


check button Interactors from STRING.
Gene nameInteractors


Related Drugs to VAPA


check button Drugs targeting this gene/protein.
(DrugBank)
UniProt accessionGene nameDrugBank IDDrug nameDrug groupActions

Related Diseases to VAPA


check button Previous studies relating to the alternative splicing of VAPA and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in VAPA


check button (ClinVar, 04/20/2024)
accession_iduniprot_idgene_nameTypeVariantClinical_significance