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Chromate reductase - P0AGE6 (CHRR_ECOLI)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

Number of PDB entries for P0AGE6: 1
 
Function
Involved in the protection against chromate toxicity. Catalyzes the transfer of three electrons to Cr(6+) producing Cr(3+) and one electron to molecular oxygen without producing the toxic Cr(5+) species and only producing a minimal amount of reactive oxygen species (ROS). It can also reduce quinones, potassium ferricyanide, 2,6-dichloroindophenol, V(5+), Mo(6+), methylene blue and cytochrome c. The quinone reductase activity may protect against oxidative stress by preventing redox cycling of quinones which would otherwise generate ROS and by maintaining a pool of reduced quinone in the cell that is able to quench ROS directly. It is able to use both NAD or NADP equally well. (data source: UniProt  )
Subunit structure
Homotetramer. Dimer of dimers. The tetrameric configuration has a central role in chromate reductase activity. (data source: UniProt  )
UniProtKB:
Species: 
Gene names: chrR yieF b3713 JW3691
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 Protein disorder predictions are based on JRONN (Troshin, P. and Barton, G. J. unpublished), a Java implementation of RONN  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).