Nucleosome assembly protein 1 (NAP1) is conserved from yeast to human and facilitates in vitro the assembly of nucleosomes as a histone chaperone.

• 核小体组装蛋白(Nucleosome Assembly Protein 1, NAP1)是真核生物中非常保守的、在体外能够促进核小体组装的一种组蛋白分子伴侣。