Fold: Four-helical up-and-down bundle

Lineage:

1. Root: scop
2. Class: All alpha proteins [46456]
3. Fold: Four-helical up-and-down bundle [47161]

Superfamilies:

1. Apolipoprotein [47162] (1)
   1. Apolipoprotein [47163] (3)
      1. Apolipoprotein E3 [47164]
         1. Human (Homo sapiens) [47165] (7)
            1. 1bz4
               cl=same,cf=same,sf=same,fa=same,dm=88703,sp=same,px=same
               1. chain a [16521]
            2. 1ea8
               cl=same,cf=same,sf=same,fa=same,dm=88703,sp=same,px=same
               1. chain a [59400]
            3. 1h7i
               cl=same,cf=same,sf=same,fa=same,dm=88703,sp=same,px=same
               1. chain a [60725]
            4. 1lpe
               cl=same,cf=same,sf=same,fa=same,dm=88703,sp=same,px=same
            5. 1nfn
               cl=same,cf=same,sf=same,fa=same,dm=88703,sp=same,px=same
            6. 1or2
               cl=same,cf=same,sf=same,fa=same,dm=88703,sp=same,px=same
               1. chain a [16525]
            7. 1or3
               cl=same,cf=same,sf=same,fa=same,dm=88703,sp=same,px=same
               1. chain a [16522]
      2. Apolipoprotein E2 [47166]
         1. Human (Homo sapiens) [47167] (2)
            1. 1le2
               cl=same,cf=same,sf=same,fa=same,dm=88703,sp=same,px=same
            2. 1nfo
               cl=same,cf=same,sf=same,fa=same,dm=88703,sp=same,px=same
      3. Apolipoprotein E4 [47168]
         1. Human (Homo sapiens) [47169] (2)
            1. 1b68
               cl=same,cf=same,sf=same,fa=same,dm=88703,sp=same,px=same
               1. chain a [59076]
            2. 1le4
               cl=same,cf=same,sf=same,fa=same,dm=88703,sp=same,px=same