2BOS

A MUTANT SHIGA-LIKE TOXIN IIE BOUND TO ITS RECEPTOR

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1BOV	PDB ENTRY 1BOV

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.4		PROTEIN WAS CRYSTALLIZED FROM 1 M NACL,10 MM TRIS-HCL BUFFE, pH 8.4

Crystal Properties
Matthews coefficient	Solvent content
2.38	51.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.077	α = 90
b = 78.618	β = 90
c = 78.468	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	287	AREA DETECTOR	SIEMENS		1994-11-15	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)	R Sym 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	31	95.3	0.082	0.082	13.5	12		25704

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2	2.03	82.4		0.216	0.216	1.66

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1BOV	2	31	25704	2571	95.3	0.155	0.155	0.194	RANDOM

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]
6.15			4.14		5.83

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	24.4
x_scbond_it	3.183
x_angle_deg	1.6
x_improper_angle_d	1.4
x_mcbond_it	1.089
x_bond_d	0.015
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcangle_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2690
Nucleic Acid Atoms
Solvent Atoms	160
Heterogen Atoms	228

Software

Software
Software Name	Purpose
X-GEN	data scaling
X-GEN	data reduction
AMoRE	phasing
BRUTE	model building
X-PLOR	refinement
BRUTE	phasing