8P7Q

The impact of molecular variants, crystallization conditions and space group on structure-ligand complexes: A case study on Bacterial Phosphotriesterase Variants and complexes

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	1.5M (NH4)2SO4 17% Glycerol 0.1M Tris pH=7.0

Crystal Properties
Matthews coefficient	Solvent content
3.15	60.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.56	α = 90
b = 69.56	β = 90
c = 186.64	γ = 90

Symmetry
Space Group	P 43 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	100	IMAGE PLATE	RIGAKU RAXIS IV++		2014-05-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.541

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	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	1.77	34.8	99.92	0.02413	0.999	18.97	20		45349

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.77	1.87			0.0978	0.974	6.41

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.77	34.8	43061	2285	99.9	0.158	0.157	0.186	RANDOM	17.59

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]
0.33			0.33		-0.67

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.232
r_dihedral_angle_4_deg	17.677
r_dihedral_angle_3_deg	11.566
r_dihedral_angle_1_deg	7.188
r_long_range_B_refined	5.412
r_long_range_B_other	5.135
r_scangle_other	4.076
r_scbond_it	2.882
r_scbond_other	2.795
r_mcangle_other	2.185
r_mcangle_it	2.179
r_angle_refined_deg	1.992
r_angle_other_deg	1.691
r_mcbond_it	1.53
r_mcbond_other	1.53
r_chiral_restr	0.169
r_bond_refined_d	0.014
r_gen_planes_refined	0.011
r_bond_other_d	0.003
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2490
Nucleic Acid Atoms
Solvent Atoms	258
Heterogen Atoms	55

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-3000	data reduction
SCALEPACK	data scaling
PHASER	phasing