Protein
Archaeal histone A
Organism
Pyrococcus abyssi (strain GE5 / Orsay)
Function
Binds and compact DNA (95 to 150 base pairs) to form nucleosome-like structures that contain positive DNA supercoils. Increases the resistance of DNA to thermal denaturation (in vitro).
Similarity
Belongs to the archaeal histone HMF family.
Sequence
MGELPIAPVDRLIRKAGAERVSEQAAKVLAEYLEEYAIEVAKKAVEFARHAGRKTVKVEDIKLAIKS