Cyclotheonamide A is a serine protease inhibitor (cyclic polypeptide), which can be obtained from marine sponges of the genus Theonella. Cyclotheonamide A shows potent inhibitory activity against trypsin (Ki=0.023 µM) and streptokinase (Ki=0.035 µM) and moderate inhibitory activity against human α-thrombin (Ki=0.18 µM). Cyclotheonamide A can be used in study of antithrombotic.
| Molecular Weight | 731.8 |
| Formula | C36H45N9O8 |
| CAS Number | 129033-04-1 |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
| 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.
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Phe-Pro-Ala-pNA is a chromogenic substrate of tripeptidyl peptidase. |
| Dansyl-Glu-Gly-Arg-Chloromethylketone
Dansyl-Glu-Gly-Arg-Chloromethylketone is a protease inhibitor, and inhibits serine/threonine proteases. |
| Fluorescent Substrate for Subtillsin
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N-Benzoyl-L-tyrosine p-nitroanilide is a chymotrypsin substrate. |
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