3EIT | pdb_00003eit

the 2.6 angstrom crystal structure of CHBP, the Cif Homologue from Burkholderia pseudomallei

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	32% PEG1000, 100mM Sodium Cacodylate, 5% Glycerol, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.93	36.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.362	α = 90
b = 78.003	β = 90
c = 115.037	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	100	IMAGE PLATE	RIGAKU		2008-05-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	0.97912	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	2.56	50	100	0.074	0.074	26.9	7.4	16433	16433	1	1	51.5

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	2.559	2.625	75		0.278	0.278	6.4	6.7	1179

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.56	49.15	16115	1635	98.07	0.21	0.203	0.2079	0.267	0.2706	RANDOM	30.502

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]
4.02			-1.77		-2.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.811
r_dihedral_angle_3_deg	17.946
r_dihedral_angle_4_deg	15.97
r_dihedral_angle_1_deg	5.58
r_scangle_it	1.919
r_scbond_it	1.283
r_angle_refined_deg	1.11
r_mcangle_it	0.652
r_mcbond_it	0.401
r_nbtor_refined	0.297
r_symmetry_hbond_refined	0.24
r_symmetry_vdw_refined	0.212
r_nbd_refined	0.201
r_xyhbond_nbd_refined	0.14
r_chiral_restr	0.071
r_bond_refined_d	0.008
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3853
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
SERGUI	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SOLVE	phasing