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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:IRF5

Protein Summary

check button Gene summary
Gene name: IRF5
ASpdb.0 ID: 3663
Gene
Gene symbol

IRF5

Gene ID

3663

Gene nameinterferon regulatory factor 5
SynonymsSLEB10
Cytomap

7q32.1

Type of geneprotein-coding
Descriptioninterferon regulatory factor 5
Modification date20240403
UniProtAcc

Q13568


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneIRF5

GO:0000981

DNA-binding transcription factor activity, RNA polymerase II-specific

25326418

GeneIRF5

GO:0001228

DNA-binding transcription activator activity, RNA polymerase II-specific

12600985

GeneIRF5

GO:0002720

positive regulation of cytokine production involved in immune response

29046356

GeneIRF5

GO:0005634

nucleus

22412986|25326418

GeneIRF5

GO:0005737

cytoplasm

22412986|25326418

GeneIRF5

GO:0019221

cytokine-mediated signaling pathway

25326418

GeneIRF5

GO:0032481

positive regulation of type I interferon production

32433612

GeneIRF5

GO:0032494

response to peptidoglycan

22412986

GeneIRF5

GO:0032495

response to muramyl dipeptide

22412986

GeneIRF5

GO:0045944

positive regulation of transcription by RNA polymerase II

12600985|22412986|25326418|32433612

GeneIRF5

GO:0098586

cellular response to virus

29046356

GeneIRF5

GO:1990837

sequence-specific double-stranded DNA binding

28473536



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
Q13568-1Q13568-1_3dsh_A.pdb3DSHX-ray2.0A232467

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
Q13568IRF5Q13568-1Q13568-2498514160160SubstitutionTTDAVQSGPHMTPYSLLK160176
Q13568IRF5Q13568-1Q13568-3498504161175SubstitutionEDVKWPPTLQPPTLRDAVQSGPHMTPYSLLKEDVKW161181
Q13568IRF5Q13568-1Q13568-4498488166175Deletionnonenone165165
Q13568IRF5Q13568-1Q13568-5498412161247SubstitutionEDVKWPPTLQPPTLRPPTLQPPTLQPPVVLGPPAPDPSPLAPPPGNPAGFRELLSEVLEPGPLPASLPPAGEQLLPDLLISPHMLPLV161161
Q13568IRF5Q13568-1Q13568-6498147120147SubstitutionVCSNGPAPTDSQPPEDYSFGAGEEEEEETPSPLRITLLVQERRRKKRKSCRGCCQA120147
Q13568IRF5Q13568-1Q13568-6498147148498Deletionnonenone147147

check buttonMultiple sequence alignment of our canonical and alternatively spliced IRF5

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of IRF5
UniProt-idENSGENSTENSP
Q13568-1ENSG00000128604.21ENST00000402030.6ENSP00000385352.2
Q13568-1ENSG00000128604.21ENST00000473745.5ENSP00000419149.1
Q13568-2ENSG00000128604.21ENST00000357234.10ENSP00000349770.5
Q13568-2ENSG00000128604.21ENST00000489702.6ENSP00000418037.2
Q13568-5ENSG00000128604.21ENST00000477535.5ENSP00000419950.1
Q13568-6ENSG00000128604.21ENST00000465603.5ENSP00000418534.1

UniProt-idNM IDNP ID
Q13568-1NM_001098627.3NP_001092097.2
Q13568-1NM_001098630.2NP_001092100.1
Q13568-1NM_032643.4NP_116032.1
Q13568-2NM_001098629.2NP_001092099.1
Q13568-2NM_001347928.1NP_001334857.1
Q13568-2XM_006715974.2XP_006716037.1
Q13568-2XM_011516158.2XP_011514460.1
Q13568-2XM_011516159.2XP_011514461.1
Q13568-2XM_011516160.1XP_011514462.1
Q13568-5NM_001242452.2NP_001229381.1

check buttonAmino acid sequences of our canonical and alternatively spliced IRF5
accession_idProtein sequence
Q13568-1MNQSIPVAPTPPRRVRLKPWLVAQVNSCQYPGLQWVNGEKKLFCIPWRHATRHGPSQDGDNTIFKAWAKETGKYTEGVDEADPAKWKANL
RCALNKSRDFRLIYDGPRDMPPQPYKIYEVCSNGPAPTDSQPPEDYSFGAGEEEEEEEELQRMLPSLSLTEDVKWPPTLQPPTLRPPTLQ
PPTLQPPVVLGPPAPDPSPLAPPPGNPAGFRELLSEVLEPGPLPASLPPAGEQLLPDLLISPHMLPLTDLEIKFQYRGRPPRALTISNPH
GCRLFYSQLEATQEQVELFGPISLEQVRFPSPEDIPSDKQRFYTNQLLDVLDRGLILQLQGQDLYAIRLCQCKVFWSGPCASAHDSCPNP
IQREVKTKLFSLEHFLNELILFQKGQTNTPPPFEIFFCFGEEWPDRKPREKKLITVQVVPVAARLLLEMFSGELSWSADSIRLQISNPDL
Q13568-2MNQSIPVAPTPPRRVRLKPWLVAQVNSCQYPGLQWVNGEKKLFCIPWRHATRHGPSQDGDNTIFKAWAKETGKYTEGVDEADPAKWKANL
RCALNKSRDFRLIYDGPRDMPPQPYKIYEVCSNGPAPTDSQPPEDYSFGAGEEEEEEEELQRMLPSLSLTDAVQSGPHMTPYSLLKEDVK
WPPTLQPPTLRPPTLQPPTLQPPVVLGPPAPDPSPLAPPPGNPAGFRELLSEVLEPGPLPASLPPAGEQLLPDLLISPHMLPLTDLEIKF
QYRGRPPRALTISNPHGCRLFYSQLEATQEQVELFGPISLEQVRFPSPEDIPSDKQRFYTNQLLDVLDRGLILQLQGQDLYAIRLCQCKV
FWSGPCASAHDSCPNPIQREVKTKLFSLEHFLNELILFQKGQTNTPPPFEIFFCFGEEWPDRKPREKKLITVQVVPVAARLLLEMFSGEL
Q13568-3MNQSIPVAPTPPRRVRLKPWLVAQVNSCQYPGLQWVNGEKKLFCIPWRHATRHGPSQDGDNTIFKAWAKETGKYTEGVDEADPAKWKANL
RCALNKSRDFRLIYDGPRDMPPQPYKIYEVCSNGPAPTDSQPPEDYSFGAGEEEEEEEELQRMLPSLSLTDAVQSGPHMTPYSLLKEDVK
WPPTLQPPTLQPPVVLGPPAPDPSPLAPPPGNPAGFRELLSEVLEPGPLPASLPPAGEQLLPDLLISPHMLPLTDLEIKFQYRGRPPRAL
TISNPHGCRLFYSQLEATQEQVELFGPISLEQVRFPSPEDIPSDKQRFYTNQLLDVLDRGLILQLQGQDLYAIRLCQCKVFWSGPCASAH
DSCPNPIQREVKTKLFSLEHFLNELILFQKGQTNTPPPFEIFFCFGEEWPDRKPREKKLITVQVVPVAARLLLEMFSGELSWSADSIRLQ
Q13568-4MNQSIPVAPTPPRRVRLKPWLVAQVNSCQYPGLQWVNGEKKLFCIPWRHATRHGPSQDGDNTIFKAWAKETGKYTEGVDEADPAKWKANL
RCALNKSRDFRLIYDGPRDMPPQPYKIYEVCSNGPAPTDSQPPEDYSFGAGEEEEEEEELQRMLPSLSLTEDVKWPPTLQPPTLQPPVVL
GPPAPDPSPLAPPPGNPAGFRELLSEVLEPGPLPASLPPAGEQLLPDLLISPHMLPLTDLEIKFQYRGRPPRALTISNPHGCRLFYSQLE
ATQEQVELFGPISLEQVRFPSPEDIPSDKQRFYTNQLLDVLDRGLILQLQGQDLYAIRLCQCKVFWSGPCASAHDSCPNPIQREVKTKLF
SLEHFLNELILFQKGQTNTPPPFEIFFCFGEEWPDRKPREKKLITVQVVPVAARLLLEMFSGELSWSADSIRLQISNPDLKDRMVEQFKE
Q13568-5MNQSIPVAPTPPRRVRLKPWLVAQVNSCQYPGLQWVNGEKKLFCIPWRHATRHGPSQDGDNTIFKAWAKETGKYTEGVDEADPAKWKANL
RCALNKSRDFRLIYDGPRDMPPQPYKIYEVCSNGPAPTDSQPPEDYSFGAGEEEEEEEELQRMLPSLSLTVTDLEIKFQYRGRPPRALTI
SNPHGCRLFYSQLEATQEQVELFGPISLEQVRFPSPEDIPSDKQRFYTNQLLDVLDRGLILQLQGQDLYAIRLCQCKVFWSGPCASAHDS
CPNPIQREVKTKLFSLEHFLNELILFQKGQTNTPPPFEIFFCFGEEWPDRKPREKKLITVQVVPVAARLLLEMFSGELSWSADSIRLQIS
Q13568-6MNQSIPVAPTPPRRVRLKPWLVAQVNSCQYPGLQWVNGEKKLFCIPWRHATRHGPSQDGDNTIFKAWAKETGKYTEGVDEADPAKWKANL

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
IRF5 (go to UniProt):Q13568

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
Q13568DNA binding14122Note=IRF tryptophan pentad repeat;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00840Type=Substitution;Start=120;End=147
Q13568Region121207Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Substitution;Start=160;End=160
Q13568Region121207Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Substitution;Start=161;End=175
Q13568Region121207Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Deletion;Start=166;End=175
Q13568Region121207Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Substitution;Start=161;End=247
Q13568Region121207Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Substitution;Start=120;End=147
Q13568Region121207Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Deletion;Start=148;End=498
Q13568Region478498Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Deletion;Start=148;End=498
Q13568Motif150160Note=Nuclear export signal;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:15556946;Dbxref=PMID:15556946Type=Substitution;Start=160;End=160
Q13568Motif150160Note=Nuclear export signal;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:15556946;Dbxref=PMID:15556946Type=Deletion;Start=148;End=498
Q13568Compositional bias169206Note=Pro residues;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Substitution;Start=161;End=175
Q13568Compositional bias169206Note=Pro residues;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Deletion;Start=166;End=175
Q13568Compositional bias169206Note=Pro residues;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Substitution;Start=161;End=247
Q13568Compositional bias169206Note=Pro residues;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Deletion;Start=148;End=498


Gene Isoform Structures and Expression Levels for IRF5

check buttonGene structures of our canonical and alternative spliced genes of IRF5
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of IRF5

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 Q13568-1
3D view using mol* of Q13568-2
3D view using mol* of Q13568-3
3D view using mol* of Q13568-4
3D view using mol* of Q13568-5
3D view using mol* of Q13568-6


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 Q13568-1
all structure
pLDDT distribution across the protein length of Q13568-2
all structure
pLDDT distribution across the protein length of Q13568-3
all structure
pLDDT distribution across the protein length of Q13568-4
all structure
pLDDT distribution across the protein length of Q13568-5
all structure
pLDDT distribution across the protein length of Q13568-6
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 Q13568-1
all structure
Ramachandran plot of Q13568-2
all structure
Ramachandran plot of Q13568-5
all structure
Ramachandran plot of Q13568-6
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
Q13568-11.0091411.053381.4160.5610.6650.870.7770.8790.8841.18530,31,32,33,46,48,49,50,53,54,55,56,58,59,60,61,62
,63,64,65,83,86,87,107,111,113,114,115
Q13568-21.039970.979267.8830.4610.7721.0750.8591.2570.6830.992146,149,150,153,154,156,157,273,329,333,336,357,35
8,359,361,416,417,418,421,423,427,428,429
Q13568-31.0681121.149387.590.5960.6710.8471.1620.5941.9563.203241,243,244,245,246,247,248,250,251,252,389,431,43
5,436,440,441,442,443,444,446,447,448
Q13568-41.092941.177225.6940.4840.7140.9281.7620.5013.5193.024227,228,231,234,235,236,415,419,424,425,426,427,42
8,430,431,432
Q13568-51.0231411.011347.1160.4780.7320.9930.6341.130.5610.92430,31,32,33,45,46,48,49,50,53,54,55,56,57,58,59,60
,61,62,63,64,65,83,86,87,113,115
Q13568-61.0071881.01391.020.470.7090.9590.6351.0890.5830.68530,31,32,34,44,46,48,49,50,52,53,54,56,57,58,59,60
,61,62,63,64,65,83,86,87,108,109,111,112,113,114,1
15

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 Q13568-1_Q13568-1_3dsh_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 Q13568-1_3dsh_A_Q13568-2.pdb
3D view using mol* of Q13568-1_3dsh_A_Q13568-3.pdb
3D view using mol* of Q13568-1_3dsh_A_Q13568-4.pdb
3D view using mol* of Q13568-1_3dsh_A_Q13568-5.pdb
3D view using mol* of Q13568-1_3dsh_A_Q13568-6.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 Q13568-1_Q13568-2.pdb
3D view using mol* of Q13568-1_Q13568-3.pdb
3D view using mol* of Q13568-1_Q13568-4.pdb
3D view using mol* of Q13568-1_Q13568-5.pdb
3D view using mol* of Q13568-1_Q13568-6.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/Q13568-1_vs_Q13568-2.png
all structure<
./stats/secondary_structure/figure/Q13568-1_vs_Q13568-3.png
all structure<
./stats/secondary_structure/figure/Q13568-1_vs_Q13568-4.png
all structure<
./stats/secondary_structure/figure/Q13568-1_vs_Q13568-5.png
all structure<
./stats/secondary_structure/figure/Q13568-1_vs_Q13568-6.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/Q13568-1_vs_Q13568-2.png
all structure<
./stats/relative_asa/Q13568-1_vs_Q13568-3.png
all structure<
./stats/relative_asa/Q13568-1_vs_Q13568-4.png
all structure<
./stats/relative_asa/Q13568-1_vs_Q13568-5.png
all structure<
./stats/relative_asa/Q13568-1_vs_Q13568-6.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 IRF5


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

Related Diseases to IRF5


check button Previous studies relating to the alternative splicing of IRF5 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term
IRF520112383Genetic variants and disease-associated factors contribute to enhanced interferon regulatory factor 5 expression in blood cells of patients with systemic lupus erythematosus.Genetic variants of the interferon (IFN) regulatory factor 5 gene (IRF5) are associated with susceptibility to systemic lupus erythematosus (SLE). The contribution of these variants to IRF-5 expression in primary blood cells of SLE patients has not been addressed, nor has the role of type I IFNs. The aim of this study was to determine the association between increased IRF-5 expression and the IRF5 risk haplotype in SLE patients.D020022Genetic Predisposition to Disease
IRF520112383Genetic variants and disease-associated factors contribute to enhanced interferon regulatory factor 5 expression in blood cells of patients with systemic lupus erythematosus.Genetic variants of the interferon (IFN) regulatory factor 5 gene (IRF5) are associated with susceptibility to systemic lupus erythematosus (SLE). The contribution of these variants to IRF-5 expression in primary blood cells of SLE patients has not been addressed, nor has the role of type I IFNs. The aim of this study was to determine the association between increased IRF-5 expression and the IRF5 risk haplotype in SLE patients.D008180Lupus Erythematosus, Systemic
IRF523349905RNA-Seq for enrichment and analysis of IRF5 transcript expression in SLE.Polymorphisms in the interferon regulatory factor 5 (IRF5) gene have been consistently replicated and shown to confer risk for or protection from the development of systemic lupus erythematosus (SLE). IRF5 expression is significantly upregulated in SLE patients and upregulation associates with IRF5-SLE risk haplotypes. IRF5 alternative splicing has also been shown to be elevated in SLE patients. Given that human IRF5 exists as multiple alternatively spliced transcripts with distinct function(s), it is important to determine whether the IRF5 transcript profile expressed in healthy donor immune cells is different from that expressed in SLE patients. Moreover, it is not currently known whether an IRF5-SLE risk haplotype defines the profile of IRF5 transcripts expressed. Using standard molecular cloning techniques, we identified and isolated 14 new differentially spliced IRF5 transcript variants from purified monocytes of healthy donors and SLE patients to generate an IRF5 variant transcriptome. Next-generation sequencing was then used to perform in-depth and quantitative analysis of full-length IRF5 transcript expression in primary immune cells of SLE patients and healthy donors by next-generation sequencing. Evidence for additional alternatively spliced transcripts was obtained from de novo junction discovery. Data from these studies support the overall complexity of IRF5 alternative splicing in SLE. Results from next-generation sequencing correlated with cloning and gave similar abundance rankings in SLE patients thus supporting the use of this new technology for in-depth single gene transcript profiling. Results from this study provide the first proof that 1) SLE patients express an IRF5 transcript signature that is distinct from healthy donors, 2) an IRF5-SLE risk haplotype defines the top four most abundant IRF5 transcripts expressed in SLE patients, and 3) an IRF5 transcript signature enables clustering of SLE patients with the H2 risk haplotype.D008180Lupus Erythematosus, Systemic


Clinically important variants in IRF5


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