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:ISY1

Protein Summary

check button Gene summary
Gene name: ISY1
ASpdb.0 ID: 57461
Gene
Gene symbol

ISY1

Gene ID

57461

Gene nameISY1 splicing factor homolog
SynonymsFSAP33
Cytomap

3q21.3

Type of geneprotein-coding
Descriptionpre-mRNA-splicing factor ISY1 homologfunctional spliceosome-associated protein 33
Modification date20240305
UniProtAcc

Q9ULR0


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneISY1

GO:0000398

mRNA splicing, via spliceosome

29301961

GeneISY1

GO:0005634

nucleus

29301961

GeneISY1

GO:0071006

U2-type catalytic step 1 spliceosome

29301961

GeneISY1

GO:0071013

catalytic step 2 spliceosome

11991638



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
Q9ULR0-3Q9ULR0-3_6ff7_w.pdb6FF7EM4.5w3994

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
Q9ULR0ISY1Q9ULR0-3Q9ULR0-1285331285285SubstitutionYCRSGTRPARSGSAPSPRATTAVPMGPSLPTTSPRGAPSCRCLTGLRM285331
Q9ULR0ISY1Q9ULR0-3Q9ULR0-2285307140140SubstitutionPRQVRWLMPVIPALWEAEAGGSQA140162

check buttonMultiple sequence alignment of our canonical and alternatively spliced ISY1

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of ISY1
UniProt-idENSGENSTENSP
Q9ULR0-3ENSG00000240682.10ENST00000393295.8ENSP00000376973.4
Q9ULR0-2ENSG00000240682.10ENST00000273541.12ENSP00000273541.8

UniProt-idNM IDNP ID
Q9ULR0-3NM_020701.3NP_065752.1
Q9ULR0-1NM_001204890.1NP_001191819.1
Q9ULR0-2NM_001199469.1NP_001186398.1

check buttonAmino acid sequences of our canonical and alternatively spliced ISY1
accession_idProtein sequence
Q9ULR0-3MARNAEKAMTALARFRQAQLEEGKVKERRPFLASECTELPKAEKWRRQIIGEISKKVAQIQNAGLGEFRIRDLNDEINKLLREKGHWEVR
IKELGGPDYGKVGPKMLDHEGKEVPGNRGYKYFGAAKDLPGVRELFEKEPLPPPRKTRAELMKAIDFEYYGYLDEDDGVIVPLEQEYEKK
LRAELVEKWKAEREARLARGEKEEEEEEEEEINIYAVTEEESDEEGSQEKGGDDSQQKFIAHVPVPSQQEIEEALVRRKKMELLQKYASE
Q9ULR0-1MARNAEKAMTALARFRQAQLEEGKVKERRPFLASECTELPKAEKWRRQIIGEISKKVAQIQNAGLGEFRIRDLNDEINKLLREKGHWEVR
IKELGGPDYGKVGPKMLDHEGKEVPGNRGYKYFGAAKDLPGVRELFEKEPLPPPRKTRAELMKAIDFEYYGYLDEDDGVIVPLEQEYEKK
LRAELVEKWKAEREARLARGEKEEEEEEEEEINIYAVTEEESDEEGSQEKGGDDSQQKFIAHVPVPSQQEIEEALVRRKKMELLQKYASE
Q9ULR0-2MARNAEKAMTALARFRQAQLEEGKVKERRPFLASECTELPKAEKWRRQIIGEISKKVAQIQNAGLGEFRIRDLNDEINKLLREKGHWEVR
IKELGGPDYGKVGPKMLDHEGKEVPGNRGYKYFGAAKDLPGVRELFEKERQVRWLMPVIPALWEAEAGGSQALPPPRKTRAELMKAIDFE
YYGYLDEDDGVIVPLEQEYEKKLRAELVEKWKAEREARLARGEKEEEEEEEEEINIYAVTEEESDEEGSQEKGGDDSQQKFIAHVPVPSQ

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
ISY1 (go to UniProt):Q9ULR0

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


Gene Isoform Structures and Expression Levels for ISY1

check buttonGene structures of our canonical and alternative spliced genes of ISY1
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of ISY1

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 Q9ULR0-3
3D view using mol* of Q9ULR0-1
3D view using mol* of Q9ULR0-2


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 Q9ULR0-3
all structure
pLDDT distribution across the protein length of Q9ULR0-1
all structure
pLDDT distribution across the protein length of Q9ULR0-2
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 Q9ULR0-3
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
Q9ULR0-30.887740.834181.4470.5520.6830.9630.4041.180.3420.69846,50,53,54,81,84,88,99,100,101,102,103,104,105,10
6,107,108
Q9ULR0-10.819570.837173.2150.7190.6040.7180.6140.7220.850.50646,50,53,54,57,84,88,99,100,103,104,105,106,107,10
8
Q9ULR0-20.844660.829163.9540.6210.6630.8330.5651.020.5540.46446,50,81,84,88,89,92,98,99,100,103,104,105,106,107
,108

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 Q9ULR0-3_Q9ULR0-3_6ff7_w.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 Q9ULR0-3_6ff7_w_Q9ULR0-1.pdb
3D view using mol* of Q9ULR0-3_6ff7_w_Q9ULR0-2.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 Q9ULR0-3_Q9ULR0-1.pdb
3D view using mol* of Q9ULR0-3_Q9ULR0-2.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/Q9ULR0-3_vs_Q9ULR0-1.png
all structure<
./stats/secondary_structure/figure/Q9ULR0-3_vs_Q9ULR0-2.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/Q9ULR0-3_vs_Q9ULR0-1.png
all structure<
./stats/relative_asa/Q9ULR0-3_vs_Q9ULR0-2.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 ISY1


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

Related Diseases to ISY1


check button Previous studies relating to the alternative splicing of ISY1 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in ISY1


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