L006235 (L235) is a potent, reversible cathepsin K inhibitor (IC50 = 0.25 nM) that displays > 4000-fold selectivity over cathepsins B, L and S. L-006235 inhibits bone resorption in the rabbit bone resorption assay, with an IC50 of 5 nM.
In vivo, L-006235 (0.6-15 mg/kg; p.o.) qd for 8-11 days reduces N-telopeptides (NTx) and creatinine (Cre) by up to 76% dose-dependently in rhesus monkey.
| Molecular Weight | 466.6 |
| Formula | C24H30N6O2S |
| CAS Number | 294623-49-7 |
| Solubility (25°C) | DMSO ≥ 60 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| 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.
| Related Cathepsin Products |
|---|
| Z-Gly-Pro-Arg-AMC hydrochloride
Z-Gly-Pro-Arg-AMC hydrochloride a fluorescent trypsin and cathepsin K substrate. |
| N-CBZ-Phe-Arg-AMC
N-CBZ-Phe-Arg-AMC (Z-FR-AMC) is a cathepsin substrate used in assessment activity of lysosomal cathepsin enzymes. |
| Ac-Glu-Asp(EDANS)-Lys-Pro-Ile-Leu-Phe-Phe-Arg-Leu-Gly-Lys(DABCYL)-Glu-NH2
Ac-Glu-Asp(EDANS)-Lys-Pro-Ile-Leu-Phe-Phe-Arg-Leu-Gly-Lys(DABCYL)-Glu-NH2 is a cathepsin D substrate, that can be used for cathepsin D FRET assay. |
| (S, S)-Z-FA-FMK
(S,S)-Z-FA-FMK is a cell-permeable, irreversible cathepsin B inhibitor. |
| H-Pro-Thr-Glu-Phe-p-nitro-Phe-Arg-Leu-OH
H-Pro-Thr-Glu-Phe-p-nitro-Phe-Arg-Leu-OH is a water-soluble polypeptide that can serve as a substrate for cathepsin D, pepsin and pepsinogen. |
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