Persecuted boffin abandons grand Italian location (5)

I believe the answer is:

turin

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'italian location' is the definition.
(I've seen this before)

I don't understand how the remainder of the clue works.

(Other definitions for turin that I've seen before include "It. city housing shroud" , "N. Italian industrial city" , "I turn to the Italian city" , "Italian location" , "Italian city with sacred Christian Shroud" .)

I've seen this clue in The Sun and The Independent.

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