Folds:

1. h.1: Parallel coiled-coil [57943] (19 superfamilies)
2. h.2: Tetramerization domain of the Mnt repressor [58058] (1 superfamily)
3. h.3: Stalk segment of viral fusion proteins [58063] (3 superfamilies)
4. h.4: Antiparallel coiled-coil [58086] (6 superfamilies)
5. h.5: Apolipoprotein A-i [58112] (1 superfamily)

More info for Class h: Coiled coil proteins

Timeline for Class h: Coiled coil proteins:

• Class h: Coiled coil proteins appears in SCOP 1.57
  
• Class h: Coiled coil proteins appears in the current release, SCOPe 2.08