Histone H2B type 1-A is a protein that in humans is encoded by the HIST1H2BAgene.[5][6][7]
Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Nucleosomes consist of approximately 146 bp of DNA wrapped around a histone octamer composed of pairs of each of the four core histones (H2A, H2B, H3, and H4). The chromatin fiber is further compacted through the interaction of a linker histone, H1, with the DNA between the nucleosomes to form higher order chromatin structures. This gene is intronless and encodes a testis/sperm-specific member of the histone H2B family. Transcripts from this gene contain a palindromic termination element.[7]
Li A, Maffey AH, Abbott WD, et al. (2005). "Characterization of nucleosomes consisting of the human testis/sperm-specific histone H2B variant (hTSH2B)". Biochemistry. 44 (7): 2529–35. doi:10.1021/bi048061n. PMID15709765.
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