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TitleLigand-linked structural transitions in crystals of a cooperative dimeric hemoglobin.
Journal, issue, pagesBiochemistry, Vol. 42, Page 4640-4647, Year 2003
Publish dateFeb 6, 2003 (structure data deposition date)
AuthorsKnapp, J.E. / Royer Jr., W.E.
External linksBiochemistry / PubMed:12705827
MethodsX-ray diffraction
Resolution1.85 - 2.8 Å
Structure data

PDB-1nwi:
Crystal structure of CO-HbI transformed to an unligated state
Method: X-RAY DIFFRACTION / Resolution: 2.5 Å

PDB-1nwn:
Crystals of CO-HbI in which the structure was converted to its unligated state, and then converted back to its original CO-ligated state.
Method: X-RAY DIFFRACTION / Resolution: 2.8 Å

PDB-1nxf:
Ligand-linked transitions of deoxyHbI crystals exposed to CO.
Method: X-RAY DIFFRACTION / Resolution: 1.85 Å

Chemicals

ChemComp-HEM:
PROTOPORPHYRIN IX CONTAINING FE

ChemComp-HOH:
WATER

ChemComp-CMO:
CARBON MONOXIDE

Source
  • scapharca inaequivalvis (ark clam)
KeywordsOXYGEN STORAGE/TRANSPORT / Invertebrate / hemoglobin / allostery / cooperativity / oxygen-binding / oxygen transport / heme protein / OXYGEN STORAGE-TRANSPORT COMPLEX / cooperative

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