Definition for Helix-turn-helix

From Biology Forums Dictionary

Revision as of 13:24, 18 July 2012 by Barry (Talk | contribs) (Created page with "In proteins, the helix-turn-helix (HTH) is a major structural motif capable of binding DNA. It is composed of two α helices joined by a short strand of amino acids and is found ...")

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

In proteins, the helix-turn-helix (HTH) is a major structural motif capable of binding DNA. It is composed of two α helices joined by a short strand of amino acids and is found in many proteins that regulate gene expression. It should not be confused with the helix-loop-helix domain.