2FXA

Structure of the Protease Production Regulatory Protein hpr from Bacillus subtilis.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	292	0.2M K/Na tartrate tetrahydrate, 20% PEG 3350, pH 7.5, VAPOR DIFFUSION, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.272	α = 90
b = 79.909	β = 100.18
c = 131.239	γ = 90

Symmetry
Space Group	P 1 21 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	CUSTOM-MADE		2003-06-05	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97887, 0.97943	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.4	50	99.4			41448	41448

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.5	91.6

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	MAD	THROUGHOUT	2.4	50	39352	39352	2095	99.21	0.20945	0.20945	0.2081	0.23392	RANDOM	64.709

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]
-1.75		0.99	3.13		-1.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.376
r_dihedral_angle_3_deg	19.281
r_dihedral_angle_4_deg	19.205
r_dihedral_angle_1_deg	5.742
r_scangle_it	3.907
r_scbond_it	2.631
r_mcangle_it	1.6
r_angle_refined_deg	1.5
r_mcbond_it	1.405
r_nbtor_refined	0.304
r_symmetry_vdw_refined	0.275
r_nbd_refined	0.221
r_xyhbond_nbd_refined	0.175
r_symmetry_hbond_refined	0.136
r_chiral_restr	0.106
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
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	5443
Nucleic Acid Atoms
Solvent Atoms	177
Heterogen Atoms	117

Software

Software
Software Name	Purpose
REFMAC	refinement
d*TREK	data reduction
HKL-2000	data scaling
CNS	phasing
autoSHARP	phasing