Interferon-induced GTP-binding protein Mx1 - P20591 (MX1_HUMAN)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

  • Number of PDB entries for P20591: 7
 
Function
Interferon-induced dynamin-like GTPase with antiviral activity against a wide range of RNA viruses and some DNA viruses. Its target viruses include negative-stranded RNA viruses and HBV through binding and inactivation of their ribonucleocapsid. May also antagonize reoviridae and asfarviridae replication. Inhibits thogoto virus (THOV) replication by preventing the nuclear import of viral nucleocapsids. Inhibits La Crosse virus (LACV) replication by sequestering viral nucleoprotein in perinuclear complexes, preventing genome amplification, budding, and egress. Inhibits influenza A virus (IAV) replication by decreasing or delaying NP synthesis and by blocking endocytic traffic of incoming virus particles. Enhances ER stress-mediated cell death after influenza virus infection. May regulate the calcium channel activity of TRPCs. UniProt
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Subunit Structure
Homotetramer. Oligomerizes into multimeric filamentous or ring-like structures by virtue of its stalk domain. Oligomerization is critical for GTPase activity, protein stability, and recognition of viral target structures. Interacts with TRPC1, TRPC3, TRPC4, TRPC5, TRPC6 and TRPC7. Interacts with HSPA5. Interacts with DDX39A and DDX39B. Interacts with TUBB/TUBB5 (By similarity). The GTP-bound form interacts (via C-terminus) with THOV P5 protein. The GTP-bound form interacts with LACV protein N. Interacts with CCHFV protein N. UniProt
Domain
The middle domain mediates self-assembly and oligomerization. UniProt
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Validation Track

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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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