Family: Subtilases

Lineage:

1. Root: scop
2. Class: Alpha and beta proteins (a/b)
   Mainly parallel beta sheets (beta-alpha-beta units)
3. Fold: Subtilisin-like
   3 layers: a/b/a, parallel beta-sheet of 7 strands, order 2314567; left-handed crossover connection between strands 2 & 3
4. Superfamily: Subtilisin-like
5. Family: Subtilases

Protein Domains:

1. Subtilisin
   1. Bacillus subtilis, carlsberg (4)
   2. Bacillus subtilis, E (1)
   3. Bacillus licheniformis (15)
   4. Bacillus lentus, savinase (TM) (1)
   5. Bacillus lentus (7)
   6. Bacillus amyloliquefaciens, Novo/BPN' (30)
2. Messentericopeptidase
   1. Bacillus mesentericus (1)
3. M-proteinase
   1. Bacillus sp., strain ksm-k16 (1)
4. Serine protease PB92
   1. Bacillus alcalophilus (1)
5. Thermostable serine protease
   1. Bacillus sp., AK.1 (1)
6. Thermitase
   1. Thermoactinomyces vulgaris (4)
7. Proteinase K
   1. Fungus (Tritirachium album), strain limber (8)