Experiment: 1D1K

MUTATED SHIGA-LIKE TOXIN B SUBUNIT (D17E/W34A) COMPLEXED WITH RECEPTOR GB3 ANALOGUE

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	0.4 M K,NA TARTRATE, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.46	49.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.223	α = 106.05
b = 44.131	β = 106.38
c = 53.71	γ = 99.26

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	AREA DETECTOR	SIEMENS		1998-02-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	SIEMENS

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2	25.8	91	0.062	12.17	1.73	24420	22215			20.19

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.03	41.1		0.33		1.6	400

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		2	25.8	24420	22215	1155	91	0.193	0.1907	0.218	0.2142	Thin Shells through whole resolution range	22.26

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
4.319	-1.071	1.943	-2.845	0.197	-1.473

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_d	1.2
c_bond_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2660
Nucleic Acid Atoms
Solvent Atoms	246
Heterogen Atoms	170

Software

Software
Software Name	Purpose
X-GEN	data scaling
X-GEN	data reduction
AMoRE	phasing
CNS	refinement