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. 2018 Feb 7;10(2):67. doi: 10.3390/v10020067

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.