Tags: Protein.
In molecular biology the orange carotenoid N-terminal domain is a protein domain found predominantly at the N-terminus of prokaryotic orange carotenoid proteins and in related carotenoid-binding proteins. It adopts an alpha-helical structure consisting of two four-helix bundles.Orange carotenoid-binding proteins (OCP) were first identified in cyanobacterial species where they occur associated with phycobilisome in the cellular thylakoid membrane.
