Article
Purification and characterisation of an F16L mutant of a thermostable lipase.
The protein journal - 1 Mar 2012
Ali Mohd Shukuri Mohamad, Yun Chong Chai, Chor Adam Leow Thean, Rahman Raja Noor Zaliha Raja Abdul, Basri Mahiran, Salleh Abu Bakar
Abstract excerpt
A mutant of the lipase from Geobacillus sp. strain T1 with a phenylalanine to leucine substitution at position 16 was overexpressed in Escherichia coli strain BL21(De3)pLysS. The crude enzyme was purified by two-step affinity chromatography with a final recovery and specific activity of 47.4 and 6,315.8 U/mg, respectively. The molecular weight of the purified F16L lipase was approximately 43 kDa by 12% SDS-PAGE...
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