1TO9

Crystal structure of THI-4 protein from Bacillus subtilis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	295	2M Hexanediol, 0.2M CaCl2, 0.1M sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.38	α = 90
b = 58.38	β = 90
c = 296.24	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	MARRESEARCH		2003-10-01	M	SAD
2	1	x-ray	77	CCD	MARRESEARCH		2003-12-05	M	SAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 5ID-B	0.979	APS	5ID-B
2	SYNCHROTRON	APS BEAMLINE 5ID-B	0.979	APS	5ID-B

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	2.4	30	99.7	0.045	0.039		7	21219	21219

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	2.4	2.45	99.7		0.117	0.089	7.5	3.8	1239

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	SAD	THROUGHOUT	2.4	30	21219	20042	1084	99.66	0.21237	0.21237	0.21017	0.25689	RANDOM	41.918

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]
2.1			2.1		-4.19

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	11.122
r_scbond_it	8.544
r_mcangle_it	6.359
r_mcbond_it	4.389
r_dihedral_angle_1_deg	4.116
r_angle_refined_deg	1.199
r_angle_other_deg	0.689
r_nbd_other	0.252
r_nbd_refined	0.251
r_symmetry_vdw_other	0.212
r_xyhbond_nbd_refined	0.207
r_symmetry_vdw_refined	0.159
r_symmetry_hbond_refined	0.107
r_nbtor_other	0.094
r_chiral_restr	0.069
r_bond_refined_d	0.014
r_bond_other_d	0.012
r_gen_planes_refined	0.005
r_gen_planes_other	0.003
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3701
Nucleic Acid Atoms
Solvent Atoms	29
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing