Enzyme Technologies: Pluripotent Players in Discovering by Hsiu-Chiung Yang PDF

By Hsiu-Chiung Yang

ISBN-10: 0470286261

ISBN-13: 9780470286265

Units the level for advances in drug discovery utilizing the newest enzyme technology

Reviewing new and rising purposes of enzyme expertise in drug discovery, this booklet highlights probably the most promising parts of pharmaceutical and biotechnology learn. It covers enzyme assay expertise, usage of enzymology for prodrug layout, and the appliance of enzymes as healing brokers. professional reports spotlight how our most modern figuring out of enzymology is used to boost new useful functions in drug discovery and design.

Filled with case experiences, Enzyme applied sciences: Pluripotent gamers in getting to know healing brokers permits readers to higher comprehend the various services of enzymes and grasp particular functions in drug discovery examine. as well as small molecule drug discovery, the ebook explores new advancements in enzymes as healing brokers for genetic disorders.

- part A, Enzymes – crucial Workhorses in Pharmaceutical study, deals aid in selecting the right enzyme ambitions for drug discovery, designing enzyme inhibitors for healing brokers, and comparing selective enzyme inhibitors.
- part B, Enzymes – crucial instruments for making improvements to Druggability, units forth the foundations along real-world examples of exploiting particular houses of enzymes to layout winning prodrugs.
- part C, Enzymes – robust guns for Correcting Nature's error, offers new insights on employing enzymes as healing brokers or diagnostic instruments to regard genetic disorders.

Chapters are contributed through prime specialists from around the globe. Their contributions are according to a radical assessment of the present literature in addition to their very own research.

Reviewing our most recent knowing of the character of enzymes and their position in drug discovery, this e-book is usually recommended for researchers in prescription drugs and biotechnology in addition to for researchers in enzymology, biochemistry, molecular biology, and medicinal chemistry.

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Extra resources for Enzyme Technologies: Pluripotent Players in Discovering Therapeutic Agent

Sample text

The Ub at the amino-terminus of the fusion protein is removed by deubiquitinating enzymes, thus exposing the N-terminal Arg residue. The Arg residue promotes ubiquitination and proteasome-mediated degradation of GFP. lysates [100] but are specific for use in assaying circulating proteasome activity in the blood of chronic lymphocytic leukemia patients [101]. FRET peptides have been used to assay proteasome activity in vitro. The FRET peptides contain donor fluorescein and acceptor tetramethylrhodamine (TMR), which have spectral overlaps and are separated by six amino acids.

However, since high background fluorescence and cell fixation preclude the ability for real-time data imaging, the technical problems were circumvented by using the dye-quenched fluorescent protein substrates. The dye-quenched substrates contain high density of FITC molecules which are quenched due to high molecular proximity [37]. Protease-mediated cleavage of the substrate releases fluorescent degradation products. BioMol has developed cell-based assays which 18 ASSAY TECHNOLOGIES FOR PROTEASES (a) Fluorescent Protein (FP) Wt GFP Green (eGFP) Blue (BFP) Mutations None S65T, F64L Y66H, Y145F, F64L Excitation Max (nm) 395, 495 489 385 Emission Max (nm) 511 509 445 Cyan (CFP) Y66W, S65A, S72A, M153T, V163A 434 477 Yellow (YFP) T203Y, S65G, S72A, 514 V68L 527 T-Sapphire T203I, Q69M, C70P, V163A, S17G 511 399 (b) 527 nm CFP YFP 434 nm Protease 477 nm 434 nm YFP CFP Figure 6 Fluorescent protein-based FRET assays.

5 in the presence of thiol compounds. A generic benzyloxycarbonyl-protected dipeptide Leu-Arg-AMC (Peptide Institute) is used as a fluorogenic substrate for monitoring activity of cathepsins B, S, K, and V using Ex/Em wavelengths of 355/465 nm. Longer peptides like Mca-GlyLys-Pro-Ile-Leu-Phe-Phe-Arg-Leu-Lys(Dnp)-d-Arg-NH2 are substrates for cathepsin D/E. Some of the cathepsins have been targeted for drug development. Cathepsin C or dipeptidyl protease I (DPPI) activity is critical for differentiation of precursor promyelocytes into mature neutrophils as DPPI mediates production of neutrophil elastase, proteinase 3, and cathepsin G, which are potential drug targets for the treatment of chronic obstructive pulmonary disease (COPD).

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Enzyme Technologies: Pluripotent Players in Discovering Therapeutic Agent by Hsiu-Chiung Yang


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