| Bioactivity | Antibiotic K 4 is an inhibitor of angiotensin I converting enzyme (ACE) (Ki: 0.18 μM). Antibiotic K 4 inhibits pressor response to angiotensin I in rats[1]. |
| CAS | 84890-90-4 |
| Formula | C23H32N3O6P |
| Molar Mass | 477.49 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
| Reference | [1]. Koguchi T, et al. K-4, a novel inhibitor of angiotensin I converting enzyme produced by Actinomadura spiculosospora. J Antibiot (Tokyo). 1986 Mar;39(3):364-71. |