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TitleCoarse snapshots of oxygen-dissociation intermediates of a giant hemoglobin elucidated by determining the oxygen saturation in individual subunits in the crystalline state.
Journal, issue, pagesIucrj, Vol. 8, Page 954-962, Year 2021
Publish dateMar 3, 2021 (structure data deposition date)
AuthorsNumoto, N. / Kawano, Y. / Okumura, H. / Baba, S. / Fukumori, Y. / Miki, K. / Ito, N.
External linksIucrj / PubMed:34804547
MethodsX-ray diffraction
Resolution2.1 - 2.7 Å
Structure data

PDB-7e96:
Oxy-deoxy intermediate of 400 kDa giant hemoglobin at 69% oxygen saturation
Method: X-RAY DIFFRACTION / Resolution: 2.4 Å

PDB-7e97:
Oxy-deoxy intermediate of 400 kDa giant hemoglobin at 58% oxygen saturation
Method: X-RAY DIFFRACTION / Resolution: 2.7 Å

PDB-7e98:
Oxy-deoxy intermediate of 400 kDa giant hemoglobin at 21% oxygen saturation
Method: X-RAY DIFFRACTION / Resolution: 2.2 Å

PDB-7e99:
Oxy-deoxy intermediate of 400 kDa giant hemoglobin at 13% oxygen saturation
Method: X-RAY DIFFRACTION / Resolution: 2.1 Å

Chemicals

ChemComp-HEM:
PROTOPORPHYRIN IX CONTAINING FE

ChemComp-OXY:
OXYGEN MOLECULE

ChemComp-CA:
Unknown entry

ChemComp-HOH:
WATER

ChemComp-GOL:
GLYCEROL

Source
  • oligobrachia mashikoi (invertebrata)
KeywordsOXYGEN TRANSPORT / allostery / structural change / microspectrometry / crystal processing.

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