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Histone H3 - P02299 (H3_DROME)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

Number of PDB entries for P02299: 6
 
Function
Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (data source: UniProt  )
Subunit structure
The nucleosome is a histone octamer containing two molecules each of H2A, H2B, H3 and H4 assembled in one H3-H4 heterotetramer and two H2A-H2B heterodimers. The octamer wraps approximately 147 bp of DNA. (data source: UniProt  )
UniProtKB:
Species: 
Gene names: His3 His3:CG31613 CG31613 His3:CG33803 CG33803 His3:CG33806 CG33806 His3:CG33809 CG33809 His3:CG33812 CG33812 His3:CG33815 CG33815 His3:CG33818 CG33818 His3:CG33821 CG33821 His3:CG33824 CG33824 His3:CG33827 CG33827 His3:CG33830 CG33830 His3:CG33833 CG33833 His3:CG33836 CG33836 His3:CG33839 CG33839 His3:CG33842 CG33842 His3:CG33845 CG33845 His3:CG33848 CG33848 His3:CG33851 CG33851 His3:CG33854 CG33854 His3:CG33857 CG33857 His3:CG33860 CG33860 His3:CG33863 CG33863 His3:CG33866 CG33866
Length:
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Data origin/color codes
The vertical color bar on the left side indicates data provenance.
Data in green originates from UniProtKB  
Data in yellow originates from Pfam  , by interacting with the HMMER3 web site  
Data in orange originates from the SCOP   (version 1.75) and SCOPe   (version 2.04) classifications.
Data in grey has been calculated using BioJava  . Protein disorder predictions are based on JRONN (Troshin, P. and Barton, G. J. unpublished), a Java implementation of RONN  
  • Red: potentially disorderd region
  • Blue: probably ordered region.
Hydropathy has been calculated using a sliding window of 15 residues and summing up scores from standard hydrophobicity tables.
  • Red: hydrophobic
  • Blue: hydrophilic.
Data in lilac represent the genomic exon structure projected onto the UniProt sequence.
Data in blue originates from PDB
  • Secstruc: Secondary structure projected from representative PDB entries onto the UniProt sequence.
Data in red indicates combined ranges of Homology Models from SBKB   and the Protein Model Portal  

The PDB to UniProt mapping is based on the data provided by the EBI SIFTS project. See also Velankar et al., Nucleic Acids Research 33, D262-265 (2005).