4P3K

Structure of ancestral PyrR protein (PLUMPyrR)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	293	40% PEG-300, 0.1M Tris pH 7.0, 5% PEG-1000

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.96	α = 90
b = 57.24	β = 127.47
c = 54	γ = 90

Symmetry
Space Group	C 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 2M		2013-05-07		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04-1	0.92	Diamond	I04-1

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	1.7	42.86	99	11.5	6.7		20089

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	1.7	42.86	19065	1023	98.91	0.16669	0.16425	0.2124	RANDOM	28.516

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]
1.29		0.42	-1.11		-0.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.448
r_dihedral_angle_4_deg	18.465
r_dihedral_angle_3_deg	14.912
r_long_range_B_refined	9.742
r_long_range_B_other	9.742
r_scangle_other	7.382
r_dihedral_angle_1_deg	6.569
r_scbond_it	4.648
r_scbond_other	4.647
r_mcangle_it	4.581
r_mcangle_other	4.579
r_mcbond_it	2.966
r_mcbond_other	2.955
r_angle_refined_deg	1.94
r_angle_other_deg	0.928
r_chiral_restr	0.132
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
r_bond_other_d	0.001
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	1397
Nucleic Acid Atoms
Solvent Atoms	137
Heterogen Atoms	27

Software

Software
Software Name	Purpose
REFMAC	refinement