DNA of length 147 base pairs is wrapped around histone octamer to form a nucleosome.

Which of the following statement is incorrecta.

1. Histone proteins are the most abundant proteins
   associated with prokaryotic DNA.
2. DNA of length 147 base pairs is wrapped around histone
   octamer to form a nucleosome.
3. Histone H 1, called linker histone protein is positively
   charged.
4. More than 20% of the amino acids residue in histone
   proteins are either Lysine or Arginine.