Experiment: 2PQA

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9	293	0.1 M Bicine pH 9, 20% saturated ammonium sulfate, 10% acetonitrile, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 9.0

Crystal Properties
Matthews coefficient	Solvent content
2.57	57.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.377	α = 90
b = 63.377	β = 90
c = 272.641	γ = 120

Symmetry
Space Group	P 65

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	MAR CCD 165 mm		2000-08-26	M	MAD
2	1
3	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	0.9794728, 0.979609, 0.999879	APS	17-ID

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	2.4	50	95.7	0.098	16.3	6	25200	24160	1	1	49.6

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	2.4	2.58	97.3		0.58	3.8	5.9	3730

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	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	MAD	THROUGHOUT	2.5	25	3	3	20156	19411	1049	96.03	0.23091	0.22825	0.27981	RANDOM	37.724

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]
1.69	0.84		1.69		-2.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.374
r_dihedral_angle_3_deg	18.503
r_dihedral_angle_4_deg	16.583
r_dihedral_angle_1_deg	7.534
r_scangle_it	2.291
r_angle_refined_deg	1.505
r_scbond_it	1.447
r_mcangle_it	1.238
r_mcbond_it	0.71
r_nbtor_refined	0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.374
r_dihedral_angle_3_deg	18.503
r_dihedral_angle_4_deg	16.583
r_dihedral_angle_1_deg	7.534
r_scangle_it	2.291
r_angle_refined_deg	1.505
r_scbond_it	1.447
r_mcangle_it	1.238
r_mcbond_it	0.71
r_nbtor_refined	0.31
r_nbd_refined	0.23
r_symmetry_hbond_refined	0.197
r_symmetry_vdw_refined	0.192
r_xyhbond_nbd_refined	0.146
r_chiral_restr	0.113
r_bond_refined_d	0.012
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3785
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXS	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 R01GM133198.