Experiment: 3PIR

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	0.1M Tris-HCl, 0.2M magnesium chloride, 20% PEG 8000, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.83	56.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 109.421	α = 90
b = 109.421	β = 90
c = 68.211	γ = 120

Symmetry
Space Group	P 6 2 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	CCD	ADSC QUANTUM 210	mirrors	2009-07-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	1.0	SPring-8	BL38B1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (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	2.75	32.1	99.7	0.085	0.085	66.5	20.6	6653	6653

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.75	2.85	100		0.293	0.293	19.3	21.4	634

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1X1S	2.75	32.09	6335	6335	313	99.83	0.21386	0.21386	0.21023	0.28682	RANDOM	26.782

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]
0.01	0.01		0.01		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.601
r_dihedral_angle_3_deg	20.012
r_dihedral_angle_4_deg	19.218
r_dihedral_angle_1_deg	6.096
r_scangle_it	3.382
r_scbond_it	1.991
r_angle_refined_deg	1.501
r_mcangle_it	1.47
r_mcbond_it	0.767
r_chiral_restr	0.091

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.601
r_dihedral_angle_3_deg	20.012
r_dihedral_angle_4_deg	19.218
r_dihedral_angle_1_deg	6.096
r_scangle_it	3.382
r_scbond_it	1.991
r_angle_refined_deg	1.501
r_mcangle_it	1.47
r_mcbond_it	0.767
r_chiral_restr	0.091
r_bond_refined_d	0.014
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1370
Nucleic Acid Atoms
Solvent Atoms	19
Heterogen Atoms	33

Software

Software
Software Name	Purpose
BSS	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.