International
Tables for
Crystallography
Volume F
Crystallography of biological macromolecules
Edited by M. G. Rossmann and E. Arnold

International Tables for Crystallography (2006). Vol. F. ch. 18.5, p. 412

Table 18.5.7.3 

D. W. J. Cruickshanka*

aChemistry Department, UMIST, Manchester M60 1QD, England
Correspondence e-mail: dwj_cruickshank@email.msn.com

Table 18.5.7.3| top | pdf |
Comparison of DPIs using R and Rfree

The second row for each protein contains values appropriate to the DPI equation (18.5.6.10)[link] using Rfree.

Protein[N_{i}][n_{\rm obs}][(N_{i}/p)^{1/2}], [(N_{i}/n_{\rm obs})^{1/2}][C^{-1/3}]R, [R_{\rm free}][d_{\min}] (Å)DPI [\sigma (r, B_{\rm avg})] (Å)Luzzati [\langle \Delta r\rangle] (Å)Read [\langle \Delta r\rangle] (Å)Reference
Concanavalin A 2130 116712 0.148 1.099 0.128 0.94 0.034 0.06   (a)
    0.135   0.148   0.036      
                     
γB-Crystallin 1708 26151 0.297 1.032 0.180 1.49 0.14 0.16 0.12 (b)
    0.256   0.204   0.14      
                     
βB2-Crystallin 1558 18583 0.356 ∼1.032 0.184 2.10 0.25 0.21 0.17 (b)
    0.290   0.200   0.22      
                     
Ribonuclease A with RI 4416 18859 1.922 1.145 0.194 2.50 1.85 0.32 0.57 (c)
    0.484   0.286   0.69      
                     
Fab HyHEL-5 with HEWL 4333 11754 1.111 0.196 2.65 0.30   (d)
    0.607   0.288   0.69      

References: (a) Deacon et al. (1997)[link]; (b) Tickle et al. (1998a)[link]; (c) Kobe & Deisenhofer (1995)[link]; (d) Cohen et al. (1996)[link].
[(N_{i}/p)] negative.