4P84

Structure of engineered PyrR protein (VIOLET PyrR)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	293	30% PEG-600, 10% glycerol, 0.1M Tris pH 7.0, 0.5 M (NH4)2SO4

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.77	α = 90
b = 56.4	β = 97.32
c = 60.165	γ = 90

Symmetry
Space Group	I 1 2 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	PIXEL	DECTRIS PILATUS 6M		2013-06-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.9795	Diamond	I02

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	2.2	42.55	98.4	3.1	2.6		8535

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)
	2.2	2.27	98		0.382	2.2	2.7

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1a3c	2.2	42.55	8535	434	97.78	0.20767	0.20466	0.2695	RANDOM	25.186

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]
1.49		1.39	1.44		-3.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.964
r_dihedral_angle_4_deg	16.229
r_dihedral_angle_3_deg	14.841
r_long_range_B_other	7.122
r_long_range_B_refined	7.121
r_dihedral_angle_1_deg	6.557
r_scangle_other	4.114
r_mcangle_it	2.911
r_mcangle_other	2.911
r_scbond_it	2.484
r_scbond_other	2.481
r_mcbond_it	1.829
r_mcbond_other	1.807
r_angle_refined_deg	1.768
r_angle_other_deg	0.814
r_chiral_restr	0.082
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
r_bond_other_d	0.002
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	1411
Nucleic Acid Atoms
Solvent Atoms	154
Heterogen Atoms	22

Software

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