TABLE 4.
Characterized Gln-containing zinc proteins identified from the Protein Data Bank
| Protein | Organism | PDB code | Zinc ligands | Class |
|---|---|---|---|---|
| Phosphomannose isomerase | Candida albicans | 1pmi | Q-H-E-H-H2O | Isomerase |
| Glyoxalase I | Human, mouse | 1bh5, 1fro, 1qip, 1qin, 2za0 | H-E-Q-E-H2O | Lyase |
| ING4 | Human | 2k1j | Q-H (and 2 weak C interactions) | Gene regulation/zinc finger |
| l-Histidinol dehydrogenase | E. coli | 1kae | Q-H-D-H | Oxidoreductase |
| Glucose dehydrogenase I | Sulfolobus solfataricus (archaea) | 2cd9 | C-H-E-Q | Oxidoreductase |
| 5′-Nucleotidase | E. coli | 1hp1, 1ush, 2ush | D-H-D-Q | Hydrolase |