= Natallia Strushkevich
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<Natallia Strushkevich> is the first author of a 2011 structural study of the mitochondrial system that converts <cholesterol> toward <pregnenolone>. The team examined the <cholesterol side-chain cleavage enzyme> together with its electron-transfer partner <adrenodoxin>.<Structural basis for pregnenolone biosynthesis by the mitochondrial monooxygenase system by Natallia Strushkevich and others>[Original full byline and Abstract]{ref}
An engineered <fusion protein> helped hold the partners together for <crystal structure> determination. The structure related the <iron-sulfur cluster> of <adrenodoxin> to the <haem> group of the catalytic <protein>, while structures with different bound sterols addressed successive reaction stages.<Structural basis for pregnenolone biosynthesis by the mitochondrial monooxygenase system by Natallia Strushkevich and others>[Abstract; Methods, Protein Purification and Crystallization; Figure 1]{ref}
The engineered connection was an experimental aid, not evidence that the native proteins form one continuous chain. Comparing <fusion proteins> with different linker lengths also tested how the imposed connection affected reduction of the catalytic partner.<Structural basis for pregnenolone biosynthesis by the mitochondrial monooxygenase system by Natallia Strushkevich and others>[Methods and supporting Figure S8: linker-dependent electron transfer]{ref} The example connects a useful structure-stabilizing intervention to an explicit check on its functional consequences.
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