Table 1.
Inventory of 3D structures of portal proteins deposited in the Electron Microscopy Data Bank (EMDB) and PDB databases.
| Virus | Protomer M.W. (kDa) |
Accession Number(s) | Cryo-EM | X-ray | ||
|---|---|---|---|---|---|---|
| EMDB | PDB | |||||
| Bacteriophages | P22 (MV) | 82.7 | 5049, 5050, 5051, 1482, 1483 | 5JJ3, 4V4K | +++ | +++ |
| P22 (PC) | 82.7 | 5375 * | 5JJ1 | +++ | +++ | |
| Phi29 | 35.9 | 1IJG, 1JNB, 1H5W, 1FOU | +++ | |||
| T7 | 59.1 | 1231, 2356, 2717, 5690 | 3J4A | +++ | ||
| SPP1 | 57.3 | 2993, 2994 1021 | 2JES | +++ | +++ | |
| HK97-like | 32.9 | 3KDR | +++ | |||
| G20C | 49.7 | 4ZJN | +++ | |||
| T4 | 61.0 | 6324 | 3JA7 | +++ | ||
| p2 | 39.1 | 2463 | +++ | |||
| Herpes | HSV-1 | 74.2 | 5260 ** 5261 *** | +++ | ||
“+++” indicates the technique used to solve the structure; * Visualized in situ (EMD-1827) and symmetrized; ** Visualized in situ (EMD-5255) and symmetrized; *** Visualized in situ (EMD-5255) and unsymmetrized.