Article
Mutations in the "lid" region affect chain length specificity and thermostability of a Pseudomonas fragi lipase.
FEBS letters - 25 Apr 2005
Santarossa Gianluca, Lafranconi Pietro Gatti, Alquati Claudia, DeGioia Luca, Alberghina Lilia, Fantucci Piercarlo, Lotti Marina
Abstract excerpt
The cold-adapted Pseudomonas fragi lipase (PFL) displays highest activity on short-chain triglyceride substrates and is rapidly inactivated at moderate temperature. Sequence and structure comparison with homologous lipases endowed with different substrate specificity and stability, pointed to three polar residues in the lid region, that were replaced with the amino acids conserved at equivalent positions in the...
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