N1U1C3L1E1O1P3R1O1T1E1I1N1S1
18 points
NUCLEOPROTEINS is validvalid
NUCLEOPROTEIN, [n]
NUCLEOPROTEIN, 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 [n]