Nucleotide-binding oligomerization domain-containing protein 2 - Q9HC29 (NOD2_HUMAN)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

 
Function
Involved in gastrointestinal immunity. Upon stimulation by muramyl dipeptide (MDP), a fragment of bacterial peptidoglycan, binds the proximal adapter receptor-interacting RIPK2, which recruits ubiquitin ligases as XIAP, BIRC2, BIRC3, INAVA and the LUBAC complex, triggering activation of MAP kinases and activation of NF-kappa-B signaling. This in turn leads to the transcriptional activation of hundreds of genes involved in immune response. Required for MDP-induced NLRP1-dependent CASP1 activation and IL1B release in macrophages (PubMed:18511561). Component of an autophagy-mediated antibacterial pathway together with ATG16L1 (PubMed:20637199). Plays also a role in sensing single-stranded RNA (ssRNA) from viruses. Interacts with mitochondrial antiviral signaling/MAVS, leading to activation of interferon regulatory factor-3/IRF3 and expression of type I interferon (PubMed:19701189). UniProt
Pathway Maps
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Subunit Structure
Component of a signaling complex consisting of ARHGEF2, NOD2 and RIPK2 (PubMed:21887730). Interacts (via CARD domain) with RIPK2 (via CARD domain) (PubMed:19592251, PubMed:21887730, PubMed:27812135). Interacts with ATG16L1 (PubMed:20637199, PubMed:23376921). Interacts (via NACHT domain) with CARD9 (PubMed:24960071). Interacts with ANKRD17 (via N-terminus) (PubMed:23711367). Interacts with HSPA1A; the interaction enhances NOD2 stability (PubMed:24790089). Interacts (via both CARD domains) with HSP90; the interaction enhances NOD2 stability (PubMed:23019338). Interacts (via CARD domain) with SOCS3; the interaction promotes NOD2 degradation (PubMed:23019338). Interacts (via CARD domain) with ERBBI2P; the interaction inhibits activation of NOD2 (PubMed:16203728). Interacts (via CARD domain) with CASP1; this interaction leads to IL1B processing. Also interacts with CASP4. Interacts with NLRP1; this interaction is enhanced in the presence of muramyl dipeptide (MDP) and leads to increased IL1B release (PubMed:18511561). Interacts with MAPKBP1; the interaction is enhanced in the presence of muramyl dipeptide (MDP) (PubMed:22700971). Interacts with INAVA; the interaction takes place upon PRR stimulation (PubMed:28436939). Interacts with ANKHD1, C10ORF67, CHMP5, DOCK7, ENTR1, KRT15, LDOC1, PPP1R12C, PPP2R3B, TRIM41 and VIM (PubMed:27812135). UniProt
Domain
Intramolecular interactions between the N-terminal moiety and the leucine-rich repeats (LRR) may be important for autoinhibition in the absence of activating signal. In the absence of LRRs, the protein becomes a constitutive activator of CASP1 cleavage and proIL1B processing. 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.
  • Red: hydrophobic
  • 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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Validation Track

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Data in red indicates combined ranges of Homology Models from SBKB   and the Protein Model Portal  
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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