Lineage for Fold h.4: Antiparallel coiled-coil
- Root: SCOP 1.71
Class h: Coiled coil proteins [57942] (7 folds) 
Fold h.4: Antiparallel coiled-coil [58086] (14 superfamilies)
this is not a true fold; contains at least two very long antiparallel helices
Superfamilies:
h.4.1: Variant surface glycoprotein (N-terminal domain) [58087] (1 family) 
h.4.2: Clostridium neurotoxins, "coiled-coil" domain [58091] (1 family) 
h.4.3: Colicin Ia, N-terminal domain [58096] (1 family) 
h.4.4: Hemolysin E (HlyE, ClyA, SheA) [58100] (1 family) 
h.4.5: Cytoplasmic domain of a serine chemotaxis receptor [58104] (1 family) h.4.6: Oligomerization domain of hepatitis delta antigen [58108] (1 family) 
h.4.8: F1 ATPase inhibitor, IF1, C-terminal domain [64602] (1 family) 
h.4.9: Colicin E3 receptor domain [69985] (1 family) 
h.4.10: C-terminal domain of PLC-beta [69989] (1 family)
left-handed antiparallel coiled-coil; dimerizes with the formation of a 4-helical bundle
h.4.11: Chemotaxis phosphatase CheZ [75708] (1 family)
dimerizes with the formation of a 4-helical bundle
h.4.12: Rad50 coiled-coil Zn hook [75712] (1 family)
dimerizes via a CxxC motif in the loop, zinc-hook
h.4.13: Tumor suppressor gene product Apc [82931] (1 family) 
h.4.15: Proline/betaine transporter ProP, C-terminal cytoplasmic domain [103661] (1 family) 
h.4.16: Fzo-like conserved region [111479] (1 family)
antiparallel coiled-coil in the crystals
More info for Fold h.4: Antiparallel coiled-coil
Timeline for Fold h.4: Antiparallel coiled-coil:
- Fold h.4: Antiparallel coiled-coil first appeared (with stable ids) in SCOP 1.55
- Fold h.4: Antiparallel coiled-coil appears in SCOP 1.69
- Fold h.4: Antiparallel coiled-coil appears in SCOP 1.73
- Fold h.4: Antiparallel coiled-coil appears in the current release, SCOPe 2.08