Main Entry: nu·cle·o·pro·tein

Pronunciation: \ˌnü-klē-ō-ˈprō-ˌtēn, ˌnyü-, -ˈprō-tē-ən\

Function: noun

Etymology: International Scientific Vocabulary

Date: 1907

: a compound that consists of a protein (as a histone) conjugated with a nucleic acid (as a DNA) and that is the principal constituent of the hereditary material in chromosomes