The recombinant s. pyogenes serotype M1 cas9 consists of 1407 amino acids and predicts a molecular mass of 163 kDa.
A DNA sequence encoding the s. pyogenes serotype M1 cas9 (WP_010922251.1) (Met1-Asp1368) was expressed with a nuclear localization sequence (NLS) at the N-terminus, two NLSs and a polyhistidine tag at the C-terminus.
Activity: 1 ug = 5 U; 1 U is defined as cutting 1 ug 1 KB dsDNA in 30 min at 37°C
Endotoxin: < 1.0 EU per μg protein
Formulation: Liquid. Supplied from sterile 20 mM Tris, 300 mM NaCl, 50 % glycerol, pH 8.0, 0.5 mM PMSF, 0.1 mM EDTA, 0.5 mM TCEP.
Storage | Stable for up to twelve months from date of receipt at -20℃ to -80℃ |
Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
[2] A V Bannikov, et al. Mol Biol (Mosk). [CRISPR/CAS9, the King of Genome Editing Tools]
[5] Le Cong, et al. Methods Mol Biol. Genome engineering using CRISPR-Cas9 system
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