| D | Catalase | e4b31D4   | A: beta barrels | X: Barrel domain in heme-dependent catalases (From Topology) | H: Barrel domain in heme-dependent catalases (From Topology) | T: Barrel domain in heme-dependent catalases | F: Catalase | ECOD (1.6) | 
 | D | Catalase_1 | e4b31D1   | A: alpha bundles | X: First alpha-helical domain in heme-dependent catalases (From Topology) | H: First alpha-helical domain in heme-dependent catalases (From Topology) | T: First alpha-helical domain in heme-dependent catalases | F: Catalase_1 | ECOD (1.6) | 
 | D | Catalase-rel | e4b31D2   | A: alpha bundles | X: Second alpha-helical domain in heme-dependent catalases (From Topology) | H: Second alpha-helical domain in heme-dependent catalases (From Topology) | T: Second alpha-helical domain in heme-dependent catalases | F: Catalase-rel | ECOD (1.6) | 
 | D | GATase1_catalase | e4b31D3   | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Class I glutamine amidotransferase-like | F: GATase1_catalase | ECOD (1.6) | 
 | C | Catalase | e4b31C4   | A: beta barrels | X: Barrel domain in heme-dependent catalases (From Topology) | H: Barrel domain in heme-dependent catalases (From Topology) | T: Barrel domain in heme-dependent catalases | F: Catalase | ECOD (1.6) | 
 | C | Catalase_1 | e4b31C3   | A: alpha bundles | X: First alpha-helical domain in heme-dependent catalases (From Topology) | H: First alpha-helical domain in heme-dependent catalases (From Topology) | T: First alpha-helical domain in heme-dependent catalases | F: Catalase_1 | ECOD (1.6) | 
 | C | Catalase-rel | e4b31C1   | A: alpha bundles | X: Second alpha-helical domain in heme-dependent catalases (From Topology) | H: Second alpha-helical domain in heme-dependent catalases (From Topology) | T: Second alpha-helical domain in heme-dependent catalases | F: Catalase-rel | ECOD (1.6) | 
 | C | GATase1_catalase | e4b31C2   | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Class I glutamine amidotransferase-like | F: GATase1_catalase | ECOD (1.6) | 
 | B | Catalase | e4b31B1   | A: beta barrels | X: Barrel domain in heme-dependent catalases (From Topology) | H: Barrel domain in heme-dependent catalases (From Topology) | T: Barrel domain in heme-dependent catalases | F: Catalase | ECOD (1.6) | 
 | B | Catalase_1 | e4b31B4   | A: alpha bundles | X: First alpha-helical domain in heme-dependent catalases (From Topology) | H: First alpha-helical domain in heme-dependent catalases (From Topology) | T: First alpha-helical domain in heme-dependent catalases | F: Catalase_1 | ECOD (1.6) | 
 | B | Catalase-rel | e4b31B3   | A: alpha bundles | X: Second alpha-helical domain in heme-dependent catalases (From Topology) | H: Second alpha-helical domain in heme-dependent catalases (From Topology) | T: Second alpha-helical domain in heme-dependent catalases | F: Catalase-rel | ECOD (1.6) | 
 | B | GATase1_catalase | e4b31B6   | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Class I glutamine amidotransferase-like | F: GATase1_catalase | ECOD (1.6) | 
 | A | Catalase | e4b31A2   | A: beta barrels | X: Barrel domain in heme-dependent catalases (From Topology) | H: Barrel domain in heme-dependent catalases (From Topology) | T: Barrel domain in heme-dependent catalases | F: Catalase | ECOD (1.6) | 
 | A | Catalase_1 | e4b31A4   | A: alpha bundles | X: First alpha-helical domain in heme-dependent catalases (From Topology) | H: First alpha-helical domain in heme-dependent catalases (From Topology) | T: First alpha-helical domain in heme-dependent catalases | F: Catalase_1 | ECOD (1.6) | 
 | A | Catalase-rel | e4b31A3   | A: alpha bundles | X: Second alpha-helical domain in heme-dependent catalases (From Topology) | H: Second alpha-helical domain in heme-dependent catalases (From Topology) | T: Second alpha-helical domain in heme-dependent catalases | F: Catalase-rel | ECOD (1.6) | 
 | A | GATase1_catalase | e4b31A6   | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Class I glutamine amidotransferase-like | F: GATase1_catalase | ECOD (1.6) |