7AJR

Virtual screening approach leading to the identification of a novel and tractable series of Pseudomonas aeruginosa elastase inhibitors

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	0.1M MOPS pH 6.5 and 1.5M ammonium sulfate

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.122	α = 90
b = 51.26	β = 90
c = 120.708	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	100	PIXEL	DECTRIS PILATUS3 2M		2016-10-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID30B	0.977170	ESRF	ID30B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	1.75	47.226	99.5	0.996	11.9	6.2		28269

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.78	98		0.591		6.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1EZM	1.75	47.226	28213	1425	99.254	0.21	0.2083	0.2399	16.918

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]
-0.698			0.276		0.422

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.301
r_dihedral_angle_4_deg	14.675
r_dihedral_angle_3_deg	12.876
r_dihedral_angle_1_deg	6.105
r_lrange_it	5.575
r_lrange_other	5.569
r_scangle_it	4.84
r_scangle_other	4.84
r_scbond_it	3.184
r_scbond_other	3.182
r_mcangle_it	2.7
r_mcangle_other	2.699
r_angle_other_deg	2.442
r_mcbond_it	1.91
r_mcbond_other	1.877
r_angle_refined_deg	1.456
r_dihedral_angle_other_2_deg	0.817
r_symmetry_xyhbond_nbd_other	0.268
r_symmetry_nbd_other	0.216
r_symmetry_xyhbond_nbd_refined	0.209
r_nbd_refined	0.201
r_nbd_other	0.184
r_nbtor_refined	0.178
r_xyhbond_nbd_refined	0.157
r_symmetry_nbd_refined	0.136
r_chiral_restr	0.07
r_symmetry_nbtor_other	0.067
r_metal_ion_refined	0.066
r_bond_other_d	0.037
r_gen_planes_other	0.01
r_bond_refined_d	0.008
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2296
Nucleic Acid Atoms
Solvent Atoms	134
Heterogen Atoms	32

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data reduction
Aimless	data scaling
PHASER	phasing