Experiment: 2QQE

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	298	60-65% MPD + 0.1 M Sodium Acetate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.59	α = 90
b = 52.82	β = 107.9
c = 59.31	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	CCD	MARMOSAIC 300 mm CCD	mirrors	2006-10-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0	APS	22-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	1.9	12	98.5	0.0762	13	3.6	24026	23671		-3	31.7

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)
	1.9	2.07	95.5		0.334		3.5	3667

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	1.9	12	22601	2528	96.79	0.24076	0.23556	0.28571	RANDOM	27.581

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]
-0.6		0.48	-0.7		1.6

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.966
r_dihedral_angle_3_deg	17.379
r_dihedral_angle_4_deg	9.7
r_dihedral_angle_1_deg	6.199
r_scangle_it	3.919
r_scbond_it	2.57
r_angle_refined_deg	1.627
r_mcangle_it	1.579
r_mcbond_it	0.949
r_symmetry_vdw_refined	0.352

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.966
r_dihedral_angle_3_deg	17.379
r_dihedral_angle_4_deg	9.7
r_dihedral_angle_1_deg	6.199
r_scangle_it	3.919
r_scbond_it	2.57
r_angle_refined_deg	1.627
r_mcangle_it	1.579
r_mcbond_it	0.949
r_symmetry_vdw_refined	0.352
r_nbtor_refined	0.307
r_symmetry_hbond_refined	0.242
r_nbd_refined	0.215
r_xyhbond_nbd_refined	0.133
r_chiral_restr	0.108
r_bond_refined_d	0.017
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2504
Nucleic Acid Atoms
Solvent Atoms	49
Heterogen Atoms	36

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data scaling
XDS	data reduction
PHASER	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.