NAP proteins are involved in moving histones into the nucleus, nucleosome assembly and chromatin fluidity. They affect the transcription of many genes.

1: Functional characterization of human nucleosome assembly protein-2 (NAP1L4) suggests a role as a histone chaperone. Rodriguez P, Munroe D, Prawitt D, Chu LL, Bric E, Kim J, Reid LH, Davies C, Nakagama H, Loebbert R, Winterpacht A, Petruzzi MJ, Higgins MJ, Nowak N, Evans G, Shows T, Weissman BE, Zabel B, Housman DE, Pelletier J; Genomics 1997;44:253-265. PMID:9325046

2: Testis-specific protein, Y-encoded (TSPY) expression in testicular tissues. Schnieders F, Dork T, Arnemann J, Vogel T, Werner M, Schmidtke J; Hum Mol Genet 1996;5:1801-1807. PMID:8923009

3: The structure of nucleosome assembly protein 1. Park YJ, Luger K; Proc Natl Acad Sci U S A. 2006;103:1248-1253. PMID:16432217