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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:AIF1

Protein Summary

check button Gene summary
Gene name: AIF1
ASpdb.0 ID: 199
Gene
Gene symbol

AIF1

Gene ID

199

Gene nameallograft inflammatory factor 1
SynonymsAIF-1|IBA1|IRT-1|IRT1
Cytomap

6p21.33

Type of geneprotein-coding
Descriptionallograft inflammatory factor 1interferon gamma responsive transcriptionized calcium-binding adapter molecule 1protein G1
Modification date20240305
UniProtAcc

P55008


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneAIF1

GO:0005634

nucleus

22116621

GeneAIF1

GO:0005737

cytoplasm

12887599|28601280

GeneAIF1

GO:0005829

cytosol

22116621

GeneAIF1

GO:0005884

actin filament

18699778

GeneAIF1

GO:0008284

positive regulation of cell population proliferation

19745784

GeneAIF1

GO:0030041

actin filament polymerization

16049345

GeneAIF1

GO:0030335

positive regulation of cell migration

19745784

GeneAIF1

GO:0032587

ruffle membrane

18699778

GeneAIF1

GO:0032722

positive regulation of chemokine production

24796669

GeneAIF1

GO:0032755

positive regulation of interleukin-6 production

24796669

GeneAIF1

GO:0034599

cellular response to oxidative stress

12887599

GeneAIF1

GO:0042102

positive regulation of T cell proliferation

16049345

GeneAIF1

GO:0048471

perinuclear region of cytoplasm

9614071

GeneAIF1

GO:0048661

positive regulation of smooth muscle cell proliferation

15117732|22116621

GeneAIF1

GO:0048662

negative regulation of smooth muscle cell proliferation

9614071|22116621

GeneAIF1

GO:0050921

positive regulation of chemotaxis

24796669

GeneAIF1

GO:0051015

actin filament binding

16049345|18699778

GeneAIF1

GO:0051017

actin filament bundle assembly

18699778

GeneAIF1

GO:0071672

negative regulation of smooth muscle cell chemotaxis

22116621

GeneAIF1

GO:0071673

positive regulation of smooth muscle cell chemotaxis

22116621

GeneAIF1

GO:0071677

positive regulation of mononuclear cell migration

24796669

GeneAIF1

GO:0090026

positive regulation of monocyte chemotaxis

15117732

GeneAIF1

GO:0090271

positive regulation of fibroblast growth factor production

19745784

GeneAIF1

GO:1900087

positive regulation of G1/S transition of mitotic cell cycle

11557666|15117732|19745784

GeneAIF1

GO:2000406

positive regulation of T cell migration

16049345



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
P55008-1P55008-1_2d58_A.pdb2D58X-ray1.9A17123

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
P55008AIF1P55008-1P55008-214793154Deletionnonenone00
P55008AIF1P55008-1P55008-3147132165SubstitutionMSQTRDLQGGKAFGLLKAQQEERLDEINKQFLDDPKYSSDEDLPSKLEGFKEKYMEFDLNGNGDIMEFDLNGNGDIGEKRVICGGRVVCRPKKTEVSPTCSIPHDLGGGPPTTVGGRRMGMRKWERRERVSPPSPHPHPLPP177
P55008AIF1P55008-1P55008-3147132121147Deletionnonenone132132

check buttonMultiple sequence alignment of our canonical and alternatively spliced AIF1

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of AIF1
UniProt-idENSGENSTENSP
P55008-1ENSG00000204472.13ENST00000376059.8ENSP00000365227.3
P55008-1ENSG00000206428.9ENST00000383474.8ENSP00000372966.4
P55008-1ENSG00000235985.7ENST00000413349.6ENSP00000416061.2
P55008-1ENSG00000237727.7ENST00000414149.6ENSP00000391720.2
P55008-1ENSG00000234836.7ENST00000425748.6ENSP00000398013.2
P55008-1ENSG00000235588.8ENST00000440907.6ENSP00000397842.2
P55008-2ENSG00000204472.13ENST00000376049.4ENSP00000365217.4
P55008-2ENSG00000206428.9ENST00000383473.4ENSP00000372965.4
P55008-2ENSG00000235985.7ENST00000415830.2ENSP00000413709.2
P55008-2ENSG00000234836.7ENST00000416422.2ENSP00000399901.2
P55008-2ENSG00000237727.7ENST00000419376.2ENSP00000401433.2
P55008-2ENSG00000235588.8ENST00000424944.2ENSP00000399621.2

UniProt-idNM IDNP ID
P55008-1NM_001623.4NP_001614.3
P55008-2NM_001318970.1NP_001305899.1
P55008-2NM_032955.2NP_116573.1

check buttonAmino acid sequences of our canonical and alternatively spliced AIF1
accession_idProtein sequence
P55008-1MSQTRDLQGGKAFGLLKAQQEERLDEINKQFLDDPKYSSDEDLPSKLEGFKEKYMEFDLNGNGDIDIMSLKRMLEKLGVPKTHLELKKLI
P55008-2MEFDLNGNGDIDIMSLKRMLEKLGVPKTHLELKKLIGEVSSGSGETFSYPDFLRMMLGKRSAILKMILMYEEKAREKEKPTGPPAKKAIS
P55008-3MEFDLNGNGDIGEKRVICGGRVVCRPKKTEVSPTCSIPHDLGGGPPTTVGGRRMGMRKWERRERVSPPSPHPHPLPPDIMSLKRMLEKLG

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
AIF1 (go to UniProt):P55008

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
P55008Domain4580Note=EF-hand 1;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00448Type=Deletion;Start=1;End=54
P55008Domain4580Note=EF-hand 1;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00448Type=Substitution;Start=1;End=65
P55008Region128147Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Deletion;Start=121;End=147


Gene Isoform Structures and Expression Levels for AIF1

check buttonGene structures of our canonical and alternative spliced genes of AIF1
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of AIF1

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 P55008-1
3D view using mol* of P55008-2
3D view using mol* of P55008-3


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 P55008-1
all structure
pLDDT distribution across the protein length of P55008-2
all structure
pLDDT distribution across the protein length of P55008-3
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 P55008-1
all structure
Ramachandran plot of P55008-2
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
P55008-10.622300.537104.6150.7120.6290.890.3251.090.2982.34936,37,92,93,95,105,108,109,112,113,114,116
P55008-20.677430.683.0060.6160.5930.8530.4781.140.4191.11738,39,40,41,54,55,58,59,60,62
P55008-30.835470.786116.620.4840.7891.2761.3991.0181.3741.09373,75,76,77,78,81,82,84,85,88,113,114,115,118

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 P55008-1_P55008-1_2d58_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 P55008-1_2d58_A_P55008-2.pdb
3D view using mol* of P55008-1_2d58_A_P55008-3.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 P55008-1_P55008-2.pdb
3D view using mol* of P55008-1_P55008-3.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/P55008-1_vs_P55008-2.png
all structure<
./stats/secondary_structure/figure/P55008-1_vs_P55008-3.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/P55008-1_vs_P55008-2.png
all structure<
./stats/relative_asa/P55008-1_vs_P55008-3.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 AIF1


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

Related Diseases to AIF1


check button Previous studies relating to the alternative splicing of AIF1 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term
AIF122116621NFAT regulates the expression of AIF-1 and IRT-1: yin and yang splice variants of neointima formation and atherosclerosis.Alternative transcription and splicing of the allograft inflammatory factor-1 (AIF-1) gene results in the expression of two different proteins: AIF-1 and interferon responsive transcript-1 (IRT-1).  Here, we explore the impact of AIF-1 and IRT-1 on vascular smooth muscle cell (VSMC) activation and neointima formation, the mechanisms underlying their alternative splicing, and associations of AIF-1 and IRT-1 mRNA with parameters defining human atherosclerotic plaque phenotype.D002340Carotid Artery Diseases
AIF122116621NFAT regulates the expression of AIF-1 and IRT-1: yin and yang splice variants of neointima formation and atherosclerosis.Alternative transcription and splicing of the allograft inflammatory factor-1 (AIF-1) gene results in the expression of two different proteins: AIF-1 and interferon responsive transcript-1 (IRT-1).  Here, we explore the impact of AIF-1 and IRT-1 on vascular smooth muscle cell (VSMC) activation and neointima formation, the mechanisms underlying their alternative splicing, and associations of AIF-1 and IRT-1 mRNA with parameters defining human atherosclerotic plaque phenotype.D020212Carotid Artery Injuries
AIF122116621NFAT regulates the expression of AIF-1 and IRT-1: yin and yang splice variants of neointima formation and atherosclerosis.Alternative transcription and splicing of the allograft inflammatory factor-1 (AIF-1) gene results in the expression of two different proteins: AIF-1 and interferon responsive transcript-1 (IRT-1).  Here, we explore the impact of AIF-1 and IRT-1 on vascular smooth muscle cell (VSMC) activation and neointima formation, the mechanisms underlying their alternative splicing, and associations of AIF-1 and IRT-1 mRNA with parameters defining human atherosclerotic plaque phenotype.D003324Coronary Artery Disease
AIF122116621NFAT regulates the expression of AIF-1 and IRT-1: yin and yang splice variants of neointima formation and atherosclerosis.Alternative transcription and splicing of the allograft inflammatory factor-1 (AIF-1) gene results in the expression of two different proteins: AIF-1 and interferon responsive transcript-1 (IRT-1).  Here, we explore the impact of AIF-1 and IRT-1 on vascular smooth muscle cell (VSMC) activation and neointima formation, the mechanisms underlying their alternative splicing, and associations of AIF-1 and IRT-1 mRNA with parameters defining human atherosclerotic plaque phenotype.D023903Coronary Restenosis
AIF122116621NFAT regulates the expression of AIF-1 and IRT-1: yin and yang splice variants of neointima formation and atherosclerosis.Alternative transcription and splicing of the allograft inflammatory factor-1 (AIF-1) gene results in the expression of two different proteins: AIF-1 and interferon responsive transcript-1 (IRT-1).  Here, we explore the impact of AIF-1 and IRT-1 on vascular smooth muscle cell (VSMC) activation and neointima formation, the mechanisms underlying their alternative splicing, and associations of AIF-1 and IRT-1 mRNA with parameters defining human atherosclerotic plaque phenotype.D004195Disease Models, Animal
AIF122116621NFAT regulates the expression of AIF-1 and IRT-1: yin and yang splice variants of neointima formation and atherosclerosis.Alternative transcription and splicing of the allograft inflammatory factor-1 (AIF-1) gene results in the expression of two different proteins: AIF-1 and interferon responsive transcript-1 (IRT-1).  Here, we explore the impact of AIF-1 and IRT-1 on vascular smooth muscle cell (VSMC) activation and neointima formation, the mechanisms underlying their alternative splicing, and associations of AIF-1 and IRT-1 mRNA with parameters defining human atherosclerotic plaque phenotype.D058426Neointima


Clinically important variants in AIF1


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