Molecular Models
B-DNA Structure
- Structure of the B-form of DNA: Jmol model of a dodecamer (2bna).
Ribosome Structure
- Ribosome article in the Proteopedia, including Jmol models
Protein Structure
- Protein Structure - Amino Acids: Jmol models of the 20 common amino acids
- Protein Structure - Ubiquitin: Jmol model of a small protein (1aar & 1ubq).
- Protein Structure - Ribonuclease A: Jmol molel of a small protein containing cis peptide bonds (3a1r).
- Protein Structure - Phosphofructokinase I: Jmol model highlights the different levels of protein structure (1pfk).
- Protein Structure - Pyruvate Kinase: Jmol model that highlights the differeent domains in this protein (1pkm).
Myoglobin and Hemoglobin
- Protein Structure - Oxymyoglobin: Jmol model shows details of O2 binding
Enzymes
- Enzyme Structure - Phosphofructokinase I: Jmol model shows binding to both the active site and the allosteric regulatory site (1pfk).
- Enzyme Structure - Hexokinase: Jmol model illlustrates "induced fit" by showing the conformational changes that take place upon substrate binding to the enzyme hexokinase (1bdg & 1hkg).
- Catalytic Strategies - Chymotrypsin: Jmol illustrates the "catalytic triad", the covalently bound intermediate and the binding interactions between enzyme and substrate.
- Catalytic Strategies - Carbonic Anhydrase