Lowest point of dinar suffering a run (5)

I believe the answer is:

nadir

I'm a little stuck... Click here to teach me more about this clue!

'lowest point' is the definition.
(I've seen this in another clue)

'dinar suffering a run' is the wordplay.
'dinar' anagrams to 'NADIR'.
However, I'm not clear how the anagram is indicated.

'of' acts as a link.

Can you help me to learn more?

(Other definitions for nadir that I've seen before include "pits" , "Low-water mark" , "least successful point" , "Drain (anag)" , "Low spot" .)

I've seen this clue in The Times.

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