| Cat# | DIA-414 | 
                                        
                        | Abbr | SAO, Recombinant (E. coli) | 
                                        
                        | Alias | SAO | 
                                        
                        | Species | E. coli | 
                                        
                        | Source | E. coli | 
                                        
                        | Description | Sarcosine oxidase (SAO) is an enzyme that catalyzes the oxidative demethylation of sarcosine to yield glycine, H2O2, 5, 10-CH2-tetrahydrofolate in a reaction requiring H4-tetrahydrofolate and oxygen. sarcosine + H2O + O2 = glycine + formaldehyde + H2O2. | 
                                        
                        | Appearance | Yellow lyophilizate | 
                                        
                        | Enzyme Commission Number | EC 1.5.3.1 | 
                                        
                        | Activity | > 10 U/mg | 
                                        
                        | Contaminants | catalase < 0.5% glucose oxidase < 1.0 x 10^-5% | 
                                        
                        | Molecular Weight | ca. 49 kDa | 
                                        
                        | Isoelectric point | 5.3 | 
                                        
                        | pH Stability | 6.5–10.5 | 
                                        
                        | Michaelis Constant | 4.7 x 10^-3 M (sarcosine) | 
                                        
                        | Structure | monomer of 43 kDa (SDS-PAGE) one mole of FAD per mole of enzyme | 
                                        
                        | Unit Definition | One unit (U) is defined as the amount of enzyme which produces 1 μmol of hydrogen peroxide per min at 37°C and pH 7.7. | 
                                        
                        | Optimum pH | 6.7–9.5 | 
                                        
                        | Optimum temperature | 50°C | 
                                        
                        | Thermal stability | below 55°C | 
                                        
                        | Stability | Stability (liquid form) stable at 37°C for at least two weeks Stability (powder form) stable at 30°C for at least one month | 
                                        
                        | Storage | at -20°C | 
                                        
                        | Stabilizers | Sucrose | 
                                        
                        | Inhibitors | Zn2+, Cu2+, Hg2+, Ag+ | 
                                        
                        | Synonyms | Sarcosine Oxidase; EC 1.5.3.1; SAO | 
                                        
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