Assertion: chloroplast's protein | /r/HasProperty | viral origin
Facets:
Source sentences:
text: In place of histones, dinoflagellate nuclei contain a novel, dominant family of nuclear proteins that appear to be of viral origin, thus are called dinoflagellate/ viral nucleoproteins (DVNPs) which are highly basic, bind DNA with similar affinity to histones, and occur in multiple posttranslationally modified forms.