| CN | abbreivation for Coordination number defined as the number of inner-sphere atoms |
| E.C. Number | Enzyme Commission numbers |
| Ion | Metal Ion in the protein structure |
| Qv | Quality parameters used to evaluate the agreement with expected valence (oxidation state) |
| Qc | Quality parameters used to evaluate the completeness of the first coordination sphere |
| Qe | Quality parameters used to evaluate the experimental agreement (B factor and occupancy) with the environment |
| Genome Comp. | Viral Genome Composition |
| Tax. ID | NCBI Taxonomy ID |
| Protein Types | Number of protein types containing hotspots in a single virus strain |
| bench | Records in the benchmark dataset that pass validation criteria |