Project: Membrane protein enzymology

Cells are surrounded by membranes that separates the cell from the outside world and allows a specific internal chemical environment. Membranes are also found in the cell interior. These membranes form a barrier in which many biochemical processes occur, such as energy conversion , transport, and signalling. These processes are relatively well studied. The membranes are also a compartment in the cell where lipophilic substances dissolve. Membrane processes where enzymes synthesize products by conjugating water soluble and membrane- dissolved components is less well investigated. Generally speaking, the detailed knowledge of membrane-bound enzymes mechanism is rare because these proteins represent a methodological challenge. In this project we will investigate two membrane-bound enzymes for which the crystal structure was determined and where tools have been developed for detailed mechanistic studies. We can thus contribute to new knowledge about a class of enzymes that have been very difficult to study in detail. Since the enzymes under study are involved in protection against toxic substances or participate in the synthesis of endogenous substances (such as fever, pain and inflammation signals) results will provide a better understanding of these processes. This can lead to better prevention strategies and the development of new and safer drugs.

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