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Crystallization of bovine pancreatic polypeptide
Biochemical and Biophysical Research Communications
|November 15, 1983
Summary
Researchers successfully crystallized bovine pancreatic polypeptide, a 36-residue hormone. This breakthrough was achieved by obtaining an insoluble peptide form during purification, leading to crystal formation.
Area of Science:
- Biochemistry
- Structural Biology
- Crystallography
Background:
- Bovine pancreatic polypeptide is a 36-residue polypeptide hormone.
- Understanding its structure is crucial for its biological function.
Purpose of the Study:
- To achieve the first-time crystallization of bovine pancreatic polypeptide.
- To characterize the crystalline form of the peptide.
Main Methods:
- Purification of bovine pancreatic polypeptide via extensive dialysis against distilled water.
- Crystallization of the purified peptide.
Main Results:
- An unexpectedly insoluble form of bovine pancreatic polypeptide was obtained during purification.
- The insoluble form successfully crystallized into orthorhombic needles.
- Crystals reached up to 2 mm in length.
Conclusions:
- The first successful crystallization of bovine pancreatic polypeptide was achieved.
- The crystallization process yielded orthorhombic needles, providing a basis for structural studies.