Protein Name H3.3 histone A
Organism Homo sapiens
Gene ID 3020
Gene Symbol


UniProt P84243 (H33_HUMAN), B2R4P9 (B2R4P9_HUMAN)
Relationships Total Number of functionally related compound(s) : 29
Total Number of Articles : 32

H3.3 histone A

Gene Summary

Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Two molecules of each of the four core histones (H2A, H2B, H3, and H4) form an octamer, around which approximately 146 bp of DNA is wrapped in repeating units, called nucleosomes. The linker histone, H1, interacts with linker DNA between nucleosomes and functions in the compaction of chromatin into higher order structures. This gene contains introns and its mRNA is polyadenylated, unlike most histone genes. The protein encoded is a replication-independent member of the histone H3 family. [provided by RefSeq, Jul 2008]

  • histone H3.3
  • H3 histone family member 3A
  • H3 histone, family 3A
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