CRYSTAL STRUCTURE OF NITROPHORIN 4 FROM RHODNIUS PROLIXUS COMPLEXED WITH NITRIC OXIDE AT 1.08 A RESOLUTION
1KOI

Entry 1KOI supersedes 1IKH

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  •   Molecular Description Hide
    Classification: Transport Protein
    Structure Weight: 20939.30
    Molecule: NITROPHORIN 4
    Polymer: 1 Type: protein Length: 184
    Chains: A
    Details: NITRIC OXIDE OCCUPIES THE SIXTH COORDINATION POSITION OF THE IRON. THE HEME IS DISORDERED BY A ROTATION OF 180 DEGREES AROUND THE CHA-FE-CHC AXIS. THE ONLY EVIDENCE OF THIS DISORDER IS THE APPEARANCE OF METHYL GROUPS CMB AND CMC AS VINYLS. THESE EXTRA ATOMS ARE CALLED CBBB AND CBCB.
    Organism: Rhodnius prolixus
    UniProtKB: Protein Feature View | Search PDB | Q94734  
     
  •   Structure Validation Hide

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  •   Related Citations in PDB Entry (REMARK 1) Hide
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Rhodnius prolixus   Taxonomy   Expression System: Escherichia coli bl21(de3)  
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name View Interactions
    HEM
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    HEM C34 H32 Fe N4 O4
    PROTOPORPHYRIN IX CONTAINING FE
    NO
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    NO N O
    NITRIC OXIDE
     
  •   External Domain Annotations Hide
     
  •   Structural Biology Knowledgebase Data Hide
     
 
Data in orange boxes are gathered from external resources (when available).
  Biological Assembly       
Biological assembly 1 assigned by authors
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