3EB7

Crystal Structure of Insecticidal Delta-Endotoxin Cry8Ea1 from Bacillus Thuringiensis at 2.2 Angstroms Resolution

X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 407.282	α = 90
b = 47.956	β = 91.12
c = 103.121	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 315	mirrors	2006-11-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	1	Photon Factory	BL-5A

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	2.2	204.1	97.4	0.137	0.137	12.3	4.5	101555	98915	1	1

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)
1	2.2	2.28	84.1		0.46	0.46	2.07	2.8	10105

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1CIY	2.3	43.2	1	1	80780	79964	8885	98.99	0.17103	0.16913	0.16235	0.23009	RANDOM	26.555

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]
-1.43		0.74	0.28		1.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.91
r_dihedral_angle_4_deg	19.997
r_dihedral_angle_3_deg	18.285
r_dihedral_angle_1_deg	6.716
r_scangle_it	3.659
r_scbond_it	2.399
r_angle_refined_deg	1.575
r_mcangle_it	1.454
r_mcbond_it	0.856
r_nbtor_refined	0.309

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.91
r_dihedral_angle_4_deg	19.997
r_dihedral_angle_3_deg	18.285
r_dihedral_angle_1_deg	6.716
r_scangle_it	3.659
r_scbond_it	2.399
r_angle_refined_deg	1.575
r_mcangle_it	1.454
r_mcbond_it	0.856
r_nbtor_refined	0.309
r_symmetry_vdw_refined	0.215
r_nbd_refined	0.208
r_symmetry_hbond_refined	0.195
r_xyhbond_nbd_refined	0.171
r_chiral_restr	0.108
r_bond_refined_d	0.016
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	14049
Nucleic Acid Atoms
Solvent Atoms	1101
Heterogen Atoms	77

Software

Software
Software Name	Purpose
ADSC	data collection
CNS	refinement
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.