Table 18.5.7.3

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

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

D. W. J. Cruickshank^a ^*^‡

^a Chemistry 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 R_free

The second row for each protein contains values appropriate to the DPI equation (18.5.6.10) using R_free.

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)
Concanavalin 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)
γB-Crystallin			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)
βB2-Crystallin			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)
Ribonuclease A with RI			0.484		0.286		0.69

Fab HyHEL-5 with HEWL	4333	11754	^†	1.111	0.196	2.65	—	0.30		(d)
Fab HyHEL-5 with HEWL			0.607		0.288		0.69

References: (a) Deacon et al. (1997)

; (b) Tickle et al. (1998a)

; (c) Kobe & Deisenhofer (1995)

; (d) Cohen et al. (1996)

^† $[(N_{i}/p)]$ negative.