Structure and function of carbonic anhydrases

Area of Science:

• Biochemistry and enzymology
• Structural biology
• Medicinal chemistry

Background:

• Carbonic anhydrases (CAs) are a superfamily of enzymes catalyzing CO2 and bicarbonate interconversion.
• Detailed kinetic and crystallographic studies have elucidated their structure-function relationships.
• CAs possess a unique active site architecture enabling highly efficient catalysis.

Purpose of the Study:

• To review the structure-function relationships of carbonic anhydrases.
• To discuss the mechanisms of CA activation and inhibition.
• To highlight therapeutic applications and emerging uses of CAs.

Main Methods:

• Review of kinetic and X-ray crystallographic studies.
• Analysis of diverse CA inhibitor classes.
• Exploration of structure-based drug design strategies.

Main Results:

• Identified unique active site features contributing to CA's catalytic efficiency.
• Described various inhibitor classes targeting different sites of the enzyme.
• Highlighted therapeutic relevance in treating glaucoma, epilepsy, obesity, and cancer.
• Noted potential in anti-infective strategies and CO2 capture.

Conclusions:

• Carbonic anhydrase structure-function understanding facilitates drug design.
• CA inhibitors offer therapeutic potential across multiple diseases.
• CAs are promising targets for novel anti-infectives and environmental applications like CO2 capture.