2I33

The structure of the Class C acid phosphatase from Bacillus anthracis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	298	0.1 M HEPES pH 7.0 30% v/v Jeffamine ED-2001 reagent, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.231	α = 90
b = 89.909	β = 90
c = 104.238	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	140	CCD	NOIR-1		2005-10-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 4.2.2	1.2037	ALS	4.2.2

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	1.57	42.12	99.9				66821	2	2

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	1.57	1.66	99.9

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	1.57	42.12	66821	66730	3345	95.75	0.175	0.175	0.173	0.207	RANDOM	25.185

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]
0.38			-0.75		0.37

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.192
r_dihedral_angle_4_deg	18.45
r_dihedral_angle_3_deg	11.545
r_dihedral_angle_1_deg	5.427
r_scangle_it	3.004
r_scbond_it	2.031
r_angle_refined_deg	1.318
r_mcangle_it	1.155
r_angle_other_deg	0.775
r_mcbond_it	0.752
r_nbd_refined	0.231
r_mcbond_other	0.216
r_symmetry_vdw_other	0.208
r_nbtor_refined	0.194
r_nbd_other	0.179
r_metal_ion_refined	0.152
r_xyhbond_nbd_refined	0.133
r_symmetry_hbond_refined	0.128
r_symmetry_vdw_refined	0.111
r_nbtor_other	0.084
r_chiral_restr	0.08
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3727
Nucleic Acid Atoms
Solvent Atoms	464
Heterogen Atoms	2

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
d*TREK	data scaling
d*TREK	data reduction
SOLVE	phasing