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Crystallization and molecular replacement solution of human heparin binding protein
L F Iversen1, J S Kastrup, I K Larsen
1Department of Medicinal Chemistry, Royal Danish School of Pharmacy, Copenhagen, Denmark. lars@medchem.dfh.dk
Acta Crystallographica. Section D, Biological Crystallography
|November 1, 1996
Summary
Researchers crystallized the human heparin binding protein, a key factor in inflammation. This structural insight aids in understanding its role and developing targeted therapies for inflammatory diseases.
Area of Science:
- Structural biology
- Biochemistry
- Crystallography
Background:
- Human heparin binding protein (HBP) is a highly glycosylated protein implicated in inflammatory processes.
- Understanding the three-dimensional structure of HBP is crucial for elucidating its biological functions and interactions.
Purpose of the Study:
- To determine the crystal structure of human heparin binding protein.
- To provide a molecular basis for HBP's role in biological systems.
Main Methods:
- Crystallization of human heparin binding protein using ethanol as a precipitant and glycerol as an additive.
- X-ray diffraction data collection to 3.1 Å resolution.
- Molecular replacement using human neutrophil elastase as a search model.
Main Results:
- The protein crystallized in the primitive orthorhombic space group P2(1)2(1)2(1) with specific cell dimensions.
- A molecular replacement solution revealed one molecule per asymmetric unit.
- The crystal structure was refined to an R factor of 44.8%.
Conclusions:
- The study successfully determined the crystal structure of human heparin binding protein.
- The obtained structural data provides a foundation for further investigations into HBP's function and therapeutic targeting.