Calcium-associated Pro367 ring puckering supports conformational selection in a thermophilic lipase
Thermophilic bacterial lipases must combine structural stability with the conformational flexibility required for interfacial activation, yet the local organization of their metal-binding sites remains incompletely understood. Here, we determined two X-ray crystal structures of the family I.5 lipase from Geobacillus kaustophilus (GkLip). The 2.47-[A] orthorhombic model contains a Ca2+ ion at the…
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