We don't have synonyms for zinc fingers yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are zinc finger, ring fingers and zinc-finger.
(n) :
(biochemistry, genetics) A structure characterized by the coordination of one or more zinc ions, found in some proteins, that typically binds to specific sequences of DNA and regulates genes.
(n) :
(biochemistry, genetics) A structure characterized by the coordination of one or more zinc ions, found in some proteins, that typically binds to specific sequences of DNA and regulates genes.