Lineage for Superfamily c.1.6: PLP-binding barrel
- Root: SCOP 1.65
Class c: Alpha and beta proteins (a/b) [51349] (121 folds) 
Fold c.1: TIM beta/alpha-barrel [51350] (26 superfamilies)
contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678
the first seven superfamilies have similar phosphate-binding sites
Superfamily c.1.6: PLP-binding barrel [51419] (2 families) 
circular permutation of the canonical fold: begins with an alpha helix and ends with a beta-strand
Families:
c.1.6.1: Alanine racemase-like, N-terminal domain [51420] (3 proteins) 
c.1.6.2: "Hypothetical" protein ybl036c [51427] (1 protein)
More info for Superfamily c.1.6: PLP-binding barrel
Timeline for Superfamily c.1.6: PLP-binding barrel:
- Superfamily c.1.6: PLP-binding barrel first appeared (with stable ids) in SCOP 1.55
- Superfamily c.1.6: PLP-binding barrel appears in SCOP 1.63
- Superfamily c.1.6: PLP-binding barrel appears in SCOP 1.67
- Superfamily c.1.6: PLP-binding barrel appears in the current release, SCOPe 2.08