SCOP 1.73: Fold a.102: alpha/alpha toroid

Lineage for Fold a.102: alpha/alpha toroid

1. Root: SCOP 1.73

2. Class a: All alpha proteins [46456] (258 folds)

3. Fold a.102: alpha/alpha toroid [48207] (5 superfamilies)
   multihelical; up to seven alpha-hairpins are arranged in closed circular array; there may be sequence similarities between different superfamilies

Superfamilies:

1. a.102.1: Six-hairpin glycosidases [48208] (7 families)

2. a.102.2: Seven-hairpin glycosidases [48225] (1 family)

3. a.102.3: Chondroitin AC/alginate lyase [48230] (2 families)
   incomplete toroid

4. a.102.4: Terpenoid cyclases/Protein prenyltransferases [48239] (4 families)

5. a.102.5: Family 10 polysaccharide lyase [81853] (1 family)

More info for Fold a.102: alpha/alpha toroid

Timeline for Fold a.102: alpha/alpha toroid:

• Fold a.102: alpha/alpha toroid first appeared (with stable ids) in SCOP 1.55
  
• Fold a.102: alpha/alpha toroid appears in SCOP 1.71
  
• Fold a.102: alpha/alpha toroid appears in SCOP 1.75
  
• Fold a.102: alpha/alpha toroid appears in the current release, SCOPe 2.08