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:DLG4

Protein Summary

check button Gene summary
Gene name: DLG4
ASpdb.0 ID: 1742
Gene
Gene symbol

DLG4

Gene ID

1742

Gene namediscs large MAGUK scaffold protein 4
SynonymsMRD62|PSD95|SAP-90|SAP90
Cytomap

17p13.1

Type of geneprotein-coding
Descriptiondisks large homolog 4Tax interaction protein 15discs large homolog 4post-synaptic density protein 95synapse-associated protein 90
Modification date20240411
UniProtAcc

P78352


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneDLG4

GO:0019900

kinase binding

21119615

GeneDLG4

GO:0030863

cortical cytoskeleton

12151521

GeneDLG4

GO:0035418

protein localization to synapse

15496675

GeneDLG4

GO:0045184

establishment of protein localization

15496675

GeneDLG4

GO:0045202

synapse

15496675

GeneDLG4

GO:0045211

postsynaptic membrane

12151521

GeneDLG4

GO:0065003

protein-containing complex assembly

15496675



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
P78352-1P78352-1_6spv_A.pdb6SPVX-ray2.04A58246

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
P78352DLG4P78352-1P78352-2724767110SubstitutionMDCLCIVTTKMSQRPRAPRSALWLLAPPLLRWAPPLLTVLHSDLFQALLDILDYYEASLSESQ153
P78352DLG4P78352-1P78352-37247215153Deletionnonenone5050

check buttonMultiple sequence alignment of our canonical and alternatively spliced DLG4

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of DLG4
UniProt-idENSGENSTENSP
P78352-1ENSG00000132535.22ENST00000399506.9ENSP00000382425.2
P78352-2ENSG00000132535.22ENST00000648172.8ENSP00000497806.3
P78352-3ENSG00000132535.22ENST00000302955.11ENSP00000307471.6

UniProt-idNM IDNP ID
P78352-1NM_001321075.1NP_001308004.1
P78352-2NM_001365.4NP_001356.1
P78352-3NM_001128827.2NP_001122299.1

check buttonAmino acid sequences of our canonical and alternatively spliced DLG4
accession_idProtein sequence
P78352-1MDCLCIVTTKKYRYQDEDTPPLEHSPAHLPNQANSPPVIVNTDTLEAPGYELQVNGTEGEMEYEEITLERGNSGLGFSIAGGTDNPHIGD
DPSIFITKIIPGGAAAQDGRLRVNDSILFVNEVDVREVTHSAAVEALKEAGSIVRLYVMRRKPPAEKVMEIKLIKGPKGLGFSIAGGVGN
QHIPGDNSIYVTKIIEGGAAHKDGRLQIGDKILAVNSVGLEDVMHEDAVAALKNTYDVVYLKVAKPSNAYLSDSYAPPDITTSYSQHLDN
EISHSSYLGTDYPTAMTPTSPRRYSPVAKDLLGEEDIPREPRRIVIHRGSTGLGFNIVGGEDGEGIFISFILAGGPADLSGELRKGDQIL
SVNGVDLRNASHEQAAIALKNAGQTVTIIAQYKPEEYSRFEAKIHDLREQLMNSSLGSGTASLRSNPKRGFYIRALFDYDKTKDCGFLSQ
ALSFRFGDVLHVIDASDEEWWQARRVHSDSETDDIGFIPSKRRVERREWSRLKAKDWGSSSGSQGREDSVLSYETVTQMEVHYARPIIIL
GPTKDRANDDLLSEFPDKFGSCVPHTTRPKREYEIDGRDYHFVSSREKMEKDIQAHKFIEAGQYNSHLYGTSVQSVREVAEQGKHCILDV
SANAVRRLQAAHLHPIAIFIRPRSLENVLEINKRITEEQARKAFDRATKLEQEFTECFSAIVEGDSFEEIYHKVKRVIEDLSGPYIWVPA
P78352-2MSQRPRAPRSALWLLAPPLLRWAPPLLTVLHSDLFQALLDILDYYEASLSESQKYRYQDEDTPPLEHSPAHLPNQANSPPVIVNTDTLEA
PGYELQVNGTEGEMEYEEITLERGNSGLGFSIAGGTDNPHIGDDPSIFITKIIPGGAAAQDGRLRVNDSILFVNEVDVREVTHSAAVEAL
KEAGSIVRLYVMRRKPPAEKVMEIKLIKGPKGLGFSIAGGVGNQHIPGDNSIYVTKIIEGGAAHKDGRLQIGDKILAVNSVGLEDVMHED
AVAALKNTYDVVYLKVAKPSNAYLSDSYAPPDITTSYSQHLDNEISHSSYLGTDYPTAMTPTSPRRYSPVAKDLLGEEDIPREPRRIVIH
RGSTGLGFNIVGGEDGEGIFISFILAGGPADLSGELRKGDQILSVNGVDLRNASHEQAAIALKNAGQTVTIIAQYKPEEYSRFEAKIHDL
REQLMNSSLGSGTASLRSNPKRGFYIRALFDYDKTKDCGFLSQALSFRFGDVLHVIDASDEEWWQARRVHSDSETDDIGFIPSKRRVERR
EWSRLKAKDWGSSSGSQGREDSVLSYETVTQMEVHYARPIIILGPTKDRANDDLLSEFPDKFGSCVPHTTRPKREYEIDGRDYHFVSSRE
KMEKDIQAHKFIEAGQYNSHLYGTSVQSVREVAEQGKHCILDVSANAVRRLQAAHLHPIAIFIRPRSLENVLEINKRITEEQARKAFDRA
P78352-3MDCLCIVTTKKYRYQDEDTPPLEHSPAHLPNQANSPPVIVNTDTLEAPGYVNGTEGEMEYEEITLERGNSGLGFSIAGGTDNPHIGDDPS
IFITKIIPGGAAAQDGRLRVNDSILFVNEVDVREVTHSAAVEALKEAGSIVRLYVMRRKPPAEKVMEIKLIKGPKGLGFSIAGGVGNQHI
PGDNSIYVTKIIEGGAAHKDGRLQIGDKILAVNSVGLEDVMHEDAVAALKNTYDVVYLKVAKPSNAYLSDSYAPPDITTSYSQHLDNEIS
HSSYLGTDYPTAMTPTSPRRYSPVAKDLLGEEDIPREPRRIVIHRGSTGLGFNIVGGEDGEGIFISFILAGGPADLSGELRKGDQILSVN
GVDLRNASHEQAAIALKNAGQTVTIIAQYKPEEYSRFEAKIHDLREQLMNSSLGSGTASLRSNPKRGFYIRALFDYDKTKDCGFLSQALS
FRFGDVLHVIDASDEEWWQARRVHSDSETDDIGFIPSKRRVERREWSRLKAKDWGSSSGSQGREDSVLSYETVTQMEVHYARPIIILGPT
KDRANDDLLSEFPDKFGSCVPHTTRPKREYEIDGRDYHFVSSREKMEKDIQAHKFIEAGQYNSHLYGTSVQSVREVAEQGKHCILDVSAN
AVRRLQAAHLHPIAIFIRPRSLENVLEINKRITEEQARKAFDRATKLEQEFTECFSAIVEGDSFEEIYHKVKRVIEDLSGPYIWVPARER

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
DLG4 (go to UniProt):P78352

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 DLG4

check buttonGene structures of our canonical and alternative spliced genes of DLG4
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of DLG4

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 P78352-1
3D view using mol* of P78352-2
3D view using mol* of P78352-3


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 P78352-1
all structure
pLDDT distribution across the protein length of P78352-2
all structure
pLDDT distribution across the protein length of P78352-3
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 P78352-1
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
P78352-11.0472271.051609.8540.530.7680.940.5411.0730.5040.6086,7,8,9,10,11,12,13,540,541,542,543,544,545,548,54
9,552,561,562,564,580,600,601,609,610,611,627,628,
629,630,631,658,662,665,669,673,676,677,679,680,68
3,684
P78352-21.0143071.053790.6150.560.680.8710.6070.9040.6710.81568,69,70,71,72,73,74,75,76,77,587,588,591,592,595,
596,599,602,603,604,605,606,607,611,614,616,617,62
1,622,623,624,643,647,652,653,654,658,661,662,667,
670,671,672,673
P78352-31.022630.991703.4930.5140.7280.9510.2481.1840.2090.596429,431,434,435,452,453,454,455,456,458,471,472,47
3,474,475,476,477,478,479,480,521,525,532,632,633,
636,641,642,648,683,684,686,687,688,689,690,700,70
3,704,707,708,710,711,712,713,714,715,716

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 P78352-1_P78352-1_6spv_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 P78352-1_6spv_A_P78352-2.pdb
3D view using mol* of P78352-1_6spv_A_P78352-3.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 P78352-1_P78352-2.pdb
3D view using mol* of P78352-1_P78352-3.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/P78352-1_vs_P78352-2.png
all structure<
./stats/secondary_structure/figure/P78352-1_vs_P78352-3.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/P78352-1_vs_P78352-2.png
all structure<
./stats/relative_asa/P78352-1_vs_P78352-3.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 DLG4


check button Drugs targeting this gene/protein.
(DrugBank)
UniProt accessionGene nameDrugBank IDDrug nameDrug groupActions
P78352DLG4DB00536Guanidineapproved
P78352DLG4DB01972Guanosine-5'-Monophosphateexperimental

Related Diseases to DLG4


check button Previous studies relating to the alternative splicing of DLG4 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in DLG4


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