3.1.5.1 - 135502, 135507 3.1.5.1 16000 fold to homogeneity 135503, 135505 3.1.5.1 high affinity for DNA 135505, 135508 3.1.5.1 partial 135507 3.1.5.1 partial, no precipitation with nucleic acids 135507 3.1.5.1 recombinant protein to homogeneity 135509