• Metabolites
• Blood, Fluids, Tissues
• Recombinant enzymes
• Hepatocytes, Microsomes & S9 fractions
• Recombinant CYPs Like,

Bactosomes(Human CYPs) 
- Bacterial Membranes contains the following Human cytochorome P450s co expressed with human NADPH-Cytochoreme P450 reductase.

• CYP1A1
• CYP1A2
• CYP1B1
• CYP2A6
• CYP2A13
• CYP2B6
• CYP2C8
• CYP2C9
• CYP2C18
• CYP2C19
• CYP2D6
• CYP2E1
• CYP2J2
• CYP3A4
• CYP3A5
• CYP4A11
• CYP4F2

Bactosomes(Dog CYPs)

• CYP1A1
• CYP1A2
• CYP2B11
• CYP2C21
• CYP2C41
• CYP2D15
• CYP3A12
• CYP3A26

Other Human Drug Metabolizing Enzymes like-
• Sulfotransferases • Glutathione S- Transferases • Aldehyde Oxidase • Aldehyde Dehydrogenase • Carboxylesterase • UDP- glucuronosyltransferases.