Details of Host Protein

 Host Protein General Information (ID: PT0577)
  Protein Name
Interleukin enhancer-binding factor 2 (ILF2)
  Gene Name
ILF2
  Host Species
Homo sapiens
  Uniprot Entry Name
ILF2_HUMAN
  Subcellular Location
Nucleus; nucleolus
  External Link
NCBI Gene ID
3608
Uniprot ID
Q12905
Ensembl ID
ENSG00000143621
HGNC ID
HGNC:6037
  Function in Host
Chromatin-interacting protein that forms a stable heterodimerwith interleukin enhancer-binding factor 3/ILF3 and plays a role inseveral biological processes including transcription, innate immunityor cell growth. Essential for theefficient reshuttling of ILF3 (isoform 1 and isoform 2) into thenucleus. Together with ILF3, forms an RNA-binding complex that isrequired for mitotic progression and cytokinesis by regulating theexpression of a cluster of mitotic genes. Mechanistically, competeswith STAU1/STAU2-mediated mRNA decay. Plays also arole in the inhibition of various viruses including Japaneseencephalitis virus or enterovirus 71. [1-7]
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  3D Structure
AlphaFold ID: Q12905 
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  mmCIF File Download   
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Function of This Protein During Virus Infection
Virus NameSARS-COV-2 Protein Function Anti-viral [8]
Infected TissueLung Infection Time7-9 Days
Infected CellCalu-3 Cells (Human epithelial cell line) Cellosaurus IDCVCL_0609 
Method DescriptionTo detect the role of host protein ILF2 in viral infection, ILF2 protein knockout Calu-3 Cells were infected with SARS-COV-2 for 7 - 9 Days , and the effects on infection was detected through CRISPR-based genome-wide gene-knockout screen.
ResultsIt is reported that knockout of ILF2 increases SARS-CoV-2 RNA levels compared with control group.

Host Protein - Virus RNA Network
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 Full List of Virus RNA Interacting with This Protien
            RNA Region: 5'-UTR (hCoV-19/South Korea/KCDC03/2020 )
              RNA Region Details RNA Info Click to show the detail information of this RNA binding region [9]
              Strains Name
hCoV-19/South Korea/KCDC03/2020
              Strains Family
Alpha (B.1.1.7)
              RNA Binding Region
5'-UTR
              Virus Name
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
              Interaction Type Directly bind to SARS-CoV-23 RNA's 5' UTR region
              Infection Cells Vero cells (epithelial kidney cell)  (CVCL_0059 )
              Cell Originated Tissue kidney
              Infection Time 24 h
              Interaction Score P-adjust < 0.05
              Method Description Modified RNA antisense purification coupled with mass spectrometry (RAP-MS); label-free quantification (LFQ); liquid chromatography with tandem mass spectrometry (LC-MS/MS)
           RNA Region: ORF10 (hCoV-19/Not Specified Virus Strain )
              RNA Region Details RNA Info Click to show the detail information of this RNA binding region [10]
              Strains Name
hCoV-19/Not Specified Virus Strain
              RNA Binding Region
ORF10
              Virus Name
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
              Infection Cells Huh7 cells (human liver cell line) Huh7 cells (human liver cell line)  (CVCL_0336 )
              Cell Originated Tissue Liver
              Interaction Score P-value < 0.05
              Method Description RNA pull-down assays; liquid chromatography with tandem mass spectrometry (LC-MS/MS); Wilcoxon test; MS2 affinity purification coupled with liquid chromatography-mass spectrometry (MAMS)
           RNA Region: Not Specified Virus Region (hCov-OC43/VR-759 Quebec/2019 )
              RNA Region Details RNA Info Click to show the detail information of this RNA binding region [9]
              Strains Name
hCov-OC43/VR-759 Quebec/2019
              Strains Family
Beta
              RNA Binding Region
Not Specified Virus Region
              Virus Name
Human coronavirus OC43 (HCov-OC43)
              Infection Cells HCT-8 cells (Human ileocaecal adenocarcinoma cell) HCT-8 cells (Human ileocaecal adenocarcinoma cell)  (CVCL_2478 )
              Cell Originated Tissue Ileocecum
              Infection Time 12h; 24; 36h; 48h
              Interaction Score p_value < 0.05; FDR < 10%
              Method Description Modified RNA antisense purification coupled with mass spectrometry (RAP-MS); label-free quantification (LFQ); liquid chromatography with tandem mass spectrometry (LC-MS/MS)
           RNA Region: Not Specified Virus Region (hCoV-19/USA/WA1/2020 )
              RNA Region Details RNA Info Click to show the detail information of this RNA binding region [11]
              Strains Name
hCoV-19/USA/WA1/2020
              Strains Family
Alpha (B.1.1.7)
              RNA Binding Region
Not Specified Virus Region
              Virus Name
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
              Infection Cells Huh7.5 cells (Hepatocyte derived cellular carcinoma cell) Huh7.5 cells (Hepatocyte derived cellular carcinoma cell)  (CVCL_7927 )
              Cell Originated Tissue Liver
              Infection Time 48 h
              Interaction Score FDR ≤ 0.05
              Method Description comprehensive identification of RNA-binding proteins by massspectrometry (ChIRP-MS)
           RNA Region: Not Specified Virus Region (hCoV-19/France/IDF-220-95/2020 )
              RNA Region Details RNA Info Click to show the detail information of this RNA binding region [12]
              Strains Name
hCoV-19/France/IDF-220-95/2020
              RNA Binding Region
Not Specified Virus Region
              Virus Name
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
              Interaction Type Direct interaction
              Infection Cells HEK293 Cells (Human embryonic kidney cell) HEK293 Cells (Human embryonic kidney cell)  (CVCL_0045 )
              Cell Originated Tissue Kidney
              Infection Time 48 h
              Interaction Score SAINT score ≥ 0.79
              Method Description comprehensive identification of RNA-binding proteins by massspectrometry (ChIRP-MS)

Differential Gene Expression During SARS-COV-2 Infection
GEO Accession: GSE152641
Sample Type: Blood
Samples Details: Healthy Control: 24; COVID-19: 62
Platform: GPL24676 Illumina NovaSeq 6000
  PNG Download  
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GEO Accession: GSE162835
Sample Type: Nasopharyngeal Swabs
Samples Details: COVID-19 (Mild Symptoms): 37; COVID-19 (Moderate Symptoms): 10; COVID-19 (Severe Symptoms): 3
Platform: GPL24676 Illumina NovaSeq 6000
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GEO Accession: GSE175779
Sample Type: Human Bronchial Epithelial Cells
Samples Details: Healthy Control: 4 (0, 24, 48, 72 and 96 h); COVID-19: 4 (24, 48, 72 and 96 h)
Platform: GPL18573 Illumina NextSeq 500
  PNG Download  
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Protein Sequence Information
MRGDRGRGRGGRFGSRGGPGGGFRPFVPHIPFDFYLCEMAFPRVKPAPDETSFSEALLKRNQDLAPNSAEQASILSLVTKINNVIDNLIVAPGTFEVQIEEVRQVGSYKKGTMTTGHNVADLVVILKILPTLEAVAALGNKVVESLRAQDPSEVLTMLTNETGFEISSSDATVKILITTVPPNLRKLDPELHLDIKVLQSALAAIRHARWFEENASQSTVKVLIRLLKDLRIRFPGFEPLTPWILDLLGHYAVMNNPTRQPLALNVAYRRCLQILAAGLFLPGSVGITDPCESGNFRVHTVMTLEQQDMVCYTAQTLVRILSHGGFRKILGQEGDASYLASEISTWDGVIVTPSEKAYEKPPEKKEGEEEEENTEEPPQGEEEESMETQE
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References
1 NF45 and NF90 Regulate Mitotic Gene Expression by Competing with Staufen-Mediated mRNA Decay. Cell Rep. 2020 May 19;31(7):107660.
2 Cellular Interleukin Enhancer-Binding Factor 2, ILF2, Inhibits Japanese Encephalitis Virus Replication In Vitro. Viruses. 2019 Jun 17;11(6):559.
3 Phosphorylation of the NFAR proteins by the dsRNA-dependent protein kinase PKR constitutes a novel mechanism of translational regulation and cellular defense. Genes Dev. 2010 Dec 1;24(23):2640-53.
4 Nuclear factor 45 (NF45) is a regulatory subunit of complexes with NF90/110 involved in mitotic control. Mol Cell Biol. 2008 Jul;28(14):4629-41.
5 The RNA binding protein nuclear factor 90 functions as both a positive and negative regulator of gene expression in mammalian cells. Mol Cell Biol. 2002 Jan;22(1):343-56.
6 Autoantibodies define a family of proteins with conserved double-stranded RNA-binding domains as well as DNA binding activity. J Biol Chem. 1999 Dec 3;274(49):34598-604.
7 DNA-dependent protein kinase interacts with antigen receptor response element binding proteins NF90 and NF45. J Biol Chem. 1998 Jan 23;273(4):2136-45.
8 Genome-wide CRISPR screens identify GATA6 as a proviral host factor for SARS-CoV-2 via modulation of ACE2. Nat Commun. 2022 Apr 25;13(1):2237.
9 The SARS-CoV-2 RNA interactome. Mol Cell. 2021 Jul 1;81(13):2838-2850.e6.
10 Mapping the host protein interactome of non-coding regions in SARS-CoV-2 genome. bioRxiv. 2021 Jun; DOI:10.1101/2021.06.19.449092.
11 Discovery and functional interrogation of SARS-CoV-2 RNA-host protein interactions. Cell. 2021 Apr 29;184(9):2394-2411.e16.
12 Characterization and functional interrogation of the SARS-CoV-2 RNA interactome. Cell Rep. 2022 Apr 26;39(4):110744.