Experiment: 2QPO

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	20% PEG 3350 + 0.2 M NaSO4, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.87	34.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.6	α = 90
b = 113.5	β = 109.16
c = 54.8	γ = 90

Symmetry
Space Group	P 1 21 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	IMAGE PLATE	RIGAKU RAXIS		2005-09-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.95	28.61	98	0.065	13.8	3.8	44232	43333		-3	18.606

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.95	2	75		0.225	4.4	2.7	2375

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	1.95	28.61	39001	4333	98.31	0.20899	0.20306	0.26115	RANDOM	22.582

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]
-0.44		0.45	0.93		-0.2

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.644
r_dihedral_angle_4_deg	17.295
r_dihedral_angle_3_deg	16.212
r_dihedral_angle_1_deg	6.004
r_scangle_it	3.95
r_scbond_it	2.461
r_angle_refined_deg	1.594
r_mcangle_it	1.492
r_mcbond_it	0.928
r_nbtor_refined	0.307

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.644
r_dihedral_angle_4_deg	17.295
r_dihedral_angle_3_deg	16.212
r_dihedral_angle_1_deg	6.004
r_scangle_it	3.95
r_scbond_it	2.461
r_angle_refined_deg	1.594
r_mcangle_it	1.492
r_mcbond_it	0.928
r_nbtor_refined	0.307
r_symmetry_hbond_refined	0.228
r_symmetry_vdw_refined	0.21
r_nbd_refined	0.209
r_xyhbond_nbd_refined	0.146
r_chiral_restr	0.106
r_bond_refined_d	0.015
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4731
Nucleic Acid Atoms
Solvent Atoms	155
Heterogen Atoms	24

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data scaling
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.