Table 4 Backbone refinement of the modeled PA proteases from Plasmodium falciparum , Pyrococcus furiosus, Neurospora crassa and Arabidopsis thaliana
From: Modeling and structural analysis of PA clan serine proteases
| Structural model | φ-ψ distribution in the regions of Ramachandran’s plot | |||
|---|---|---|---|---|
| Number of residues (percentage) | ||||
| Most favoured | Additional allowed | Generously allowed | Disallowed | |
| P. falciparum | ||||
| Before backbone refinement | 89(76.1%) | 21(17.9%) | 4(3.4%) | 3(2.6%) |
| After backbone refinement | 84(71.9%) | 33(28.2%) | 0 (0.0%) | 0 (0.0%) |
| P. furiosus | ||||
| Before backbone refinement | 62(56.9%) | 40(36.7%) | 1(0.9%) | 6(5.5%) |
| After backbone refinement | 84(71.8%) | 33(28.2%) | 0 (0.0%) | 0 (0.0%) |
| N. crassa | ||||
| Before backbone refinement | 65(52.0%) | 50(40.4%) | 4(3.4%) | 3(2.6%) |
| After backbone refinement | 69(55.5%) | 56(44.8%) | 0 (0.0%) | 0 (0.0%) |
| A. thaliana | ||||
| Before backbone refinement | 82(60.7%) | 45(32.6%) | 7(4.4%) | 3(2.2%) |
| After backbone refinement | 86(63.7%) | 49(36.3%) | 0 (0.0%) | 0 (0.0%) |