Function 
Tumor necrosis factor receptor (TNFR) or death receptor is  a trimeric cytokine receptor which binds TNF[1].  TNFR family contains several members and superfamily (TNFRSF) members.  
-   TNFRSF 1 is called Lymphotoxin-α or TNF-β[2];
 
-   TNFRSF 3 is called TNFR-III;
 
-   TNFRSF 4 is called OX40L receptor;
 
-   TNFRSF 5 is called CD40L receptor;
 
-   TNFRSF 6 is called Fas;
 
-   TNFRSF 9 is called 4-1BBL;
 
-  TNFRSF 10 see TRAIL;
 
-  TNFRSF 10B is called Dr5;
 
-   TNFRSF 11A is called RANK;
 
-   TNFRSF 11B is called Osteoprotegerin;
 
-   TNFRSF 12 is called TWEAK;
 
-   TNFRSF 12A is called TWEAKR;
 
-   TNFRSF 13B is called BAFF or sTALL-1;
 
-   TNFRSF 13C is called BAFF receptor;
 
-   TNFRSF 14 is called LIGHT;
 
-  TNFRSF 16 is called Low-affinity nerve growth factor receptor; p75NTR; p75 neurotrophin receptor;
 
-  TNFRSF 18 is called GITRL;
 
-  TNFRSF 21 is called Dr6;
 
-  TNFRSF 25 is called Dr3;
 
See also 
  Relevance 
TRAPS - a condition characterized by recurrent episodes of fever is associated with TNFR[3].
  Structural highlights 
The extracellular domain of TNFR contains 2 to 6 cysteine-rich domains (CRD). The . The CRDs are involved in binding of TNF[4]. . Water molecules are shown as red spheres.
 3D structures of tumor necrosis factor receptor
Tumor necrosis factor receptor 3D structures