Fold: TNF receptor-like

duplication: consists of three similar disulphide-rich domains

Lineage:

1. Root: scop
2. Class: Small proteins
   Usually dominated by metal ligand, heme, and/or disulfide bridges
3. Fold: TNF receptor-like
   duplication: consists of three similar disulphide-rich domains

Superfamilies:

1. TNF receptor-like (1)
   1. TNF receptor-like (2)
      1. Tumor necrosis factor (TNF) receptor
         1. Human (Homo sapiens) (3)
      2. Death receptor-5 (dr5) fragment
         1. Human (Homo sapiens) (3)