2OQN

High Pressure Cryocooling of Capillary Sample Cryoprotection and Diffraction Phasing at Long Wavelengths

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1LXZ	PDB ENTRY 1lxz

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	Crystallized in a polycarbonate capillary by vapor diffusion	7	293	0.9 M sodium potassium tartrate, pH 7.0, Crystallized in a polycarbonate capillary by vapor diffusion , temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.85	56.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.968	α = 90
b = 57.968	β = 90
c = 150.716	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	CCD	ADSC QUANTUM 210		2006-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F2	1.7463	CHESS	F2

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	30	99.4	0.089	32	12.3		20909			17.1

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	1.97	93.9		0.175	5	3.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 1lxz	1.9	28.99	19833	1069	99.7	0.17764	0.17556	0.21623	RANDOM	17.117

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.514
r_dihedral_angle_4_deg	20.232
r_dihedral_angle_3_deg	12.226
r_dihedral_angle_1_deg	6.447
r_scangle_it	3.706
r_scbond_it	2.327
r_mcangle_it	1.379
r_angle_refined_deg	1.322
r_mcbond_it	0.831
r_nbtor_refined	0.302
r_symmetry_vdw_refined	0.241
r_nbd_refined	0.221
r_symmetry_hbond_refined	0.177
r_xyhbond_nbd_refined	0.151
r_chiral_restr	0.095
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1550
Nucleic Acid Atoms
Solvent Atoms	401
Heterogen Atoms	10

Software

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