Individual stereoisomers of phosphinic dipeptide inhibitor of leucine aminopeptidase
摘要:
Individual stereoisomers of the phosphinic pseudodipeptide hPhe psi P(O)(OH) CH2]Phe were obtained by stereoselective liquid chromatographic separation as N- and C-terminally protected derivative on quinidine carbamate modified silica stationary phase. The stereoisomeric purity, exceeding 95% for each fraction, was determined before and after deprotection using two independent methods. The absolute configuration was rationally assigned by application of enantiomerically pure phosphinic acid substrates in the synthetic procedure and correlation with biological activity of the products. Substantial differences in inhibition of leucine aminopeptidase by the individual isomers revealed novel insights into potency of the recently developed and remarkably effective compound. (c) 2008 Elsevier Ltd. All rights reserved.
The present invention provides regulatable biocircuit systems. Such systems provide modular and tunable protein expression systems in support of the discovery and development of therapeutic modalities.
IDENTIFICATION AND TARGETED MODULATION OF GENE SIGNALING NETWORKS
申请人:CAMP4 THERAPEUTICS CORPORATION
公开号:US20210254056A1
公开(公告)日:2021-08-19
The present invention provides methods and compositions for the evaluation, alteration and/or optimization of gene signaling. Methods and systems are also provided which exploit the information generated in the identification of new targets and non-canonical signaling pathways.
Individual stereoisomers of phosphinic dipeptide inhibitor of leucine aminopeptidase
Individual stereoisomers of the phosphinic pseudodipeptide hPhe psi P(O)(OH) CH2]Phe were obtained by stereoselective liquid chromatographic separation as N- and C-terminally protected derivative on quinidine carbamate modified silica stationary phase. The stereoisomeric purity, exceeding 95% for each fraction, was determined before and after deprotection using two independent methods. The absolute configuration was rationally assigned by application of enantiomerically pure phosphinic acid substrates in the synthetic procedure and correlation with biological activity of the products. Substantial differences in inhibition of leucine aminopeptidase by the individual isomers revealed novel insights into potency of the recently developed and remarkably effective compound. (c) 2008 Elsevier Ltd. All rights reserved.