摘要:
The present invention provides a chromoprotein produced by Actinomadura sp. 21G792, as well as amino acid and nucleic acid sequences of the apoprotein component of the chromoprotein and of components of the biosynthetic pathway for the chromophore. The present invention is useful for developing pharmaceutical and treating diseases such as cancer or bacterial infections.
摘要:
The present invention describes the use of fumitremorgin A, B and C and a series of diketopiperazines of Formula (I) to resensitize multidrug resistant (MDR) cancer cells to the cytotoxic effects of chemotherapeutic drugs.
摘要:
The present invention describes the use of fumitremorgin A, B and C and a series of diketopiperazines of Formula (I) to resensitize multidrug resistant (MDR) cancer cells to the cytotoxic effects of chemotherapeutic drugs.
摘要:
The invention provides new substantially pure antibiotics designated AC-98-1, AC-98-2, AC-98-3, AC-98-4 and AC-98-5 derived from the microorganism Streptomyces hygroscopicus.
摘要:
The invention relates to a new antibiotic designated Cyan426-A, to its production by fermentation, to methods for its recovery and concentration from the crude solutions, and to a process for its purification and to semisynthetic ethers of Cyan426-A, Cyan426-A-ethers.
摘要:
The invention relates to new antibiotics designated Cyan-416A, Cyan 416B, Cyan-416C, Cyan-416D and Cyan-416E to their production by fermentation of Acremonium sp. NRRL 30631 to methods for recovery and concentration from the crude solutions, and to a process for purification and to semisynthetic ethers of Cyan-416B.
摘要:
This invention relates to a new antibiotic designated P175-A, to production of fermentation of Micromonospora echinospora NRRL 30633, to methods for recovery and concentration from the crude solutions, and to a process for purification and to semisynthetic esters and ethers of P175-A.
摘要:
The invention relates to new antibiotics designated Cyan-416A, Cyan 416B, Cyan-416C, Cyan-416D and Cyan-416E to their production by fermentation of Acremonium sp. NRRL 30631 to methods for recovery and concentration from the crude solutions, and to a process for purification and to semisynthetic ethers of Cyan-416B.
摘要:
The invention provides compounds of formula Wherein R1, R2, R3, R4, R5, R6a, R6b, R6c, R6d, R6e and R7 are defined in the specification. These compounds are useful as antibiotic agents.
摘要:
The invention relates to new antibiotics designated Cyan-416A, Cyan 416B, Cyan-416C, Cyan-416D and Cyan-416E to their production by fermentation of Acremonium sp. NRRL 30631 to methods for recovery and concentration from the crude solutions, and to a process for purification and to semisynthetic ethers of Cyan-416B.