Family: Heme-linked catalases

Lineage:

1. Root: scop
2. Class: Multi-domain proteins (alpha and beta)
   Folds consisting of two or more domains belonging to different classes
3. Fold: Heme-linked catalases
   contains an (8,10) beta-barrel and an all-alpha domain
4. Superfamily: Heme-linked catalases
5. Family: Heme-linked catalases

Protein Domains:

1. Catalase I
   1. Cow (Bos taurus) (3)
   2. Human (Homo sapiens) (6)
   3. Baker's yeast (Saccharomyces cerevisiae) (1)
   4. Proteus mirabilis (4)
   5. Micrococcus lysodeikticus (1)
2. Catalase II
   contains additional flavodoxin-like domain at C-terminus
   1. Escherichia coli, HPII (9)