TIR domain-containing adapter molecule 1 - Q4JF29 (TCAM1_BOVIN)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

 
Function
Involved in innate immunity against invading pathogens. Adapter used by TLR3 and TLR4 (through TICAM2) to mediate NF-kappa-B and interferon-regulatory factor (IRF) activation, and to induce apoptosis. Ligand binding to these receptors results in TRIF recruitment through its TIR domain. Distinct protein-interaction motifs allow recruitment of the effector proteins TBK1, TRAF6 and RIPK1, which in turn, lead to the activation of transcription factors IRF3 and IRF7, NF-kappa-B and FADD respectively (By similarity). Component of a multi-helicase-TICAM1 complex that acts as a cytoplasmic sensor of viral double-stranded RNA (dsRNA) and plays a role in the activation of a cascade of antiviral responses including the induction of proinflammatory cytokines. UniProt
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Subunit Structure
Homodimer. Found in a multi-helicase-TICAM1 complex at least composed of DHX36, DDX1, DDX21 and TICAM1; this complex exists in resting cells with or without poly(I:C) RNA ligand stimulation. Interacts (via TIR domain) with DDX21 (via C-terminus). Interacts (via TIR domain) with DHX36 (via C-terminus) (By similarity). Interacts (via the TIR domain) with TLR3 in response to poly(I:C) and this interaction is enhanced in the presence of WDFY1. Interacts with AZI2, IRF3 and IRF7. Interacts with TICAM2 in TLR4 recruitment. Interaction with PIAS4 inhibits the TICAM1-induced NF-kappa-B, IRF and IFNB1 activation. Interacts with IKBKB and IKBKE. Interaction with SARM1 blocks TICAM1-dependent transcription factor activation. Interacts with TRAF3. Interacts with TRAFD1. Interacts with UBQLN1 (via UBA domain). Interacts with TBK1, TRAF6 and RIPK1 and these interactions are enhanced in the presence of WDFY1. Interacts with TLR4 in response to LPS in a WDFY1-dependent manner. Interacts with WDFY1 in response to poly(I:C). Interacts with TRIM56. UniProt
Domain
The N-terminal domain (TRIF-NTD) is globular and consists of two alpha-helical subdomains connected by a 14-residue linker. It shares structural similarity with IFIT family members N-terminal regions. UniProt
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Data in green originates from UniProtKB  
Variation data (sourced from UniProt) shows non-genetic variation from the ExPASy   and dbSNP   websites.
Data in yellow originates from Pfam  , by interacting with the HMMER3 web site  
Data in purple originates from Phosphosite  .
Data in orange originates from the SCOP   (version 1.75) and SCOPe   (version 2.04) classifications.
Data in grey has been calculated using BioJava  . Protein disorder predictions are based on JRONN (Troshin, P. and Barton, G. J. unpublished), a Java implementation of RONN  
  • Red: potentially disorderd region
  • Blue: probably ordered region.
Hydropathy has been calculated using a sliding window of 15 residues and summing up scores from standard hydrophobicity tables.
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  • Blue: hydrophilic.
Data in lilac represent the genomic exon structure projected onto the UniProt sequence.
Data in blue originates from PDB
  • Secstruc: Secondary structure projected from representative PDB entries onto the UniProt sequence.
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Data in red indicates combined ranges of Homology Models from the SWISS-MODEL Repository  
The PDB to UniProt mapping is based on the data provided by the EBI SIFTS project. See also Velankar et al., Nucleic Acids Research 33, D262-265 (2005).
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