- A: a+b two layers
- X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase
- H: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase
- T: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase
- F: Glyoxalase