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Histone H4 - P84040 (H4_DROME)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

Number of PDB entries for P84040: 5
 
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: His4 H4 His4r H4r CG3379 His4:CG31611 CG31611 His4:CG33869 CG33869 His4:CG33871 CG33871 His4:CG33873 CG33873 His4:CG33875 CG33875 His4:CG33877 CG33877 His4:CG33879 CG33879 His4:CG33881 CG33881 His4:CG33883 CG33883 His4:CG33885 CG33885 His4:CG33887 CG33887 His4:CG33889 CG33889 His4:CG33891 CG33891 His4:CG33893 CG33893 His4:CG33895 CG33895 His4:CG33897 CG33897 His4:CG33899 CG33899 His4:CG33901 CG33901 His4:CG33903 CG33903 His4:CG33905 CG33905 His4:CG33907 CG33907 His4:CG33909 CG33909
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 Protein disorder predictions are based on JRONN (Troshin, P. and Barton, G. J. unpublished), a Java implementation of RONN  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).