3GT0

Crystal structure of pyrroline 5-carboxylate reductase from Bacillus cereus. Northeast Structural Genomics Consortium Target BcR38B

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	293	Protein solution: 100mM NaCl, 5mM DTT, 0.02% NaN3, 10mM Tris-HCl pH 7.5. Reservoir solution: 100 mM CaCl2, 100 mM Na Acetate pH 5.0, 18% PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.52	51.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.98	α = 90
b = 68.45	β = 90
c = 149.95	γ = 90

Symmetry
Space Group	I 2 2 2

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 4	mirrors	2009-03-05	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.97910, 0.97934	NSLS	X4A

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	50	99.2	0.062	16.6	6.9		35350		-3

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	2.07	96.2		0.44	5.4	4.3

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2	18.29	17876	924	100	0.23226	0.23069	0.26186	RANDOM	38.161

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]
-0.02			-0.08		0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.167
r_dihedral_angle_3_deg	15.515
r_dihedral_angle_1_deg	4.745
r_dihedral_angle_4_deg	4.562
r_scangle_it	4.166
r_scbond_it	2.82
r_mcangle_it	1.391
r_angle_refined_deg	1.214
r_mcbond_it	1.032
r_nbtor_refined	0.296
r_nbd_refined	0.211
r_symmetry_vdw_refined	0.197
r_xyhbond_nbd_refined	0.104
r_chiral_restr	0.083
r_symmetry_hbond_refined	0.033
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_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	1611
Nucleic Acid Atoms
Solvent Atoms	38
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SnB	phasing