Lineage for Fold b.81: Single-stranded left-handed beta-helix
- Root: SCOP 1.63
Class b: All beta proteins [48724] (119 folds) 
Fold b.81: Single-stranded left-handed beta-helix [51160] (2 superfamilies)
superhelix with each turn made by 3 strands with short links
Superfamilies:
b.81.1: Trimeric LpxA-like enzymes [51161] (5 families) 
duplication: the sequence hexapeptide repeats correspond to individual strands
b.81.2: An insect antifreeze protein [51177] (1 family)
More info for Fold b.81: Single-stranded left-handed beta-helix
Timeline for Fold b.81: Single-stranded left-handed beta-helix:
- Fold b.81: Single-stranded left-handed beta-helix first appeared (with stable ids) in SCOP 1.55
- Fold b.81: Single-stranded left-handed beta-helix appears in SCOP 1.61
- Fold b.81: Single-stranded left-handed beta-helix appears in SCOP 1.65
- Fold b.81: Single-stranded left-handed beta-helix appears in the current release, SCOPe 2.08