X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7
Temperature 277.0
Details 13%-17% (w/v) PEG 3350, 0.1M Hepes pH 6.5-7.25, 0.2M KF, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 68.02 α = 90
b = 74.03 β = 90
c = 74.45 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2008-02-02
Diffraction Radiation
Monochromator Protocol
Optical Hutch SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 0.93 ESRF ID29

Data Collection

Overall
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
2.39 52.49 95.5 -- -- -- -- 14710 14710 0.0 0.0 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.39 52.49 -- 0.0 13952 13952 725 95.11 0.22 0.21734 0.21363 0.29184 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.39 2.451 -- 56 840 0.263 0.419 -- 81.16
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 39.577
Anisotropic B[1][1] 1.43
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.21
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_2_deg 35.926
r_mcbond_it 0.924
r_angle_refined_deg 1.644
r_gen_planes_refined 0.006
r_scangle_it 3.409
r_mcangle_it 1.567
r_xyhbond_nbd_refined 0.175
r_chiral_restr 0.1
r_dihedral_angle_3_deg 18.92
r_nbd_refined 0.223
r_dihedral_angle_1_deg 6.989
r_scbond_it 2.242
r_symmetry_hbond_refined 0.163
r_symmetry_vdw_refined 0.241
r_bond_refined_d 0.016
r_dihedral_angle_4_deg 19.17
r_nbtor_refined 0.309
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2674
Nucleic Acid Atoms 0
Heterogen Atoms 16
Solvent Atoms 73

Software

Software
Software Name Purpose
HKL-2000 data collection
MOLREP phasing
REFMAC refinement version: 5.2.0019
HKL-2000 data reduction
SCALEPACK data scaling