Research Article

Modeling Beta-Traces for Beta-Barrels from Cryo-EM Density Maps

Table 3

Accuracy of beta-barrel modeling from cryo-EM experimental maps at medium resolutions.

EMD_PDB #Det./#Obs. 2-w #Det./#Obs.

1657_4V5H_AH45.8 Å6/61.9425/30
1780_4V7E_AH45.5 Å5/51.8824/28
1829_4V5H_AH45.6 Å8/62.1125/30
1849_4V6K_AE68.25 Å7/62.3424/40
1849_4V6K_AC66/51.9026/31
1849_4V6K_AG26/62.7431/52
5030_4V68_AF86.4 Å4/51.7224/32
5036_4V69_AD56.7 Å5/51.7323/29

Average2.05202/272 = 74.26%
Standard deviation0.35

_PDB_Sheet ID.
of the cryo-EM density map.
number of β-traces detected in the best of the fifteen possible sets/the number of β-strands in the β-sheet of the PDB structure.
2-way distance (in Å) between the observed β-traces and the modeled β-traces for the best of the fifteen possible sets.
number of detected/the total number of amino acids in the β-barrel.