| COST | European Cooperation in Science and Technology |
| EMBO | European Life Scientist Organisation |
| NIGMS | National Institute of General Medical Sciences |
| NMR | Nuclear Magnetic Resonance |
| PDB | Protein Data Bank |
| PFAM | Protein Families (database) |
| RCSB | Research Collaboratory for Structural Bioinformatics |
| UCSF | University of California, San Francisco |