Ribose-5-phosphate isomerases: characteristics, structural features, and applications.

Area of Science:

• Biochemistry
• Enzymology
• Molecular Biology

Background:

• Ribose-5-phosphate isomerase (Rpi) is essential in the pentose phosphate pathway.
• Rpi catalyzes the interconversion of D-ribulose 5-phosphate and D-ribose 5-phosphate.
• Rpi is found across microorganisms, animals, and plants.

Purpose of the Study:

• To provide a comprehensive review of Ribose-5-phosphate isomerase (Rpi).
• To summarize Rpi's enzymatic properties, structural features, and catalytic mechanisms.
• To review Rpi's applications in rare sugar production and as a drug target for trypanosomatid diseases.

Main Methods:

• Literature review of Rpi research.
• Analysis of crystal structure data for Rpi.
• Summary of enzymatic and mechanistic studies on Rpi.

Main Results:

• Detailed enzymatic properties of various Rpis are presented.
• Structural and mechanistic differences between RpiA and RpiB are highlighted.
• Rpi's role in producing rare sugars and its potential as a drug target are reviewed.

Conclusions:

• Rpi is a versatile enzyme with significant applications in biotechnology and medicine.
• Understanding Rpi's structure and function is key for optimizing rare sugar synthesis and developing new therapeutics.
• This review consolidates current knowledge on Rpi, identifying future research directions.