X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.6
Temperature 293.0
Details 19-25% PEG 8000, 0.2M ammonium sulphate, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 64.85 α = 90
b = 85.31 β = 103.02
c = 67.82 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 2001-10-08
Diffraction Radiation
Monochromator Protocol
Ni Filter SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ELLIOTT GX-20 1.5418 -- --

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
1.75 21.38 99.6 0.051 0.051 -- 2.5 72155 72155 0.0 0.0 20.16
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.75 1.84 99.8 0.235 0.235 3.1 2.4 15789

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 1.75 21.37 0.0 0.0 -- 68518 3637 99.65 -- 0.21731 0.21593 0.24268 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 1.75 1.795 -- 269 5022 0.266 0.309 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 8.907
Anisotropic B[1][1] 1.9
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.83
Anisotropic B[2][2] -0.95
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.57
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.769
r_scbond_it 1.648
r_mcangle_it 0.928
r_mcbond_it 0.486
r_symmetry_hbond_refined 0.364
r_symmetry_vdw_other 0.362
r_symmetry_vdw_refined 0.303
r_xyhbond_nbd_other 0.087
r_bond_refined_d 0.009
r_bond_other_d 0.001
r_angle_refined_deg 1.346
r_angle_other_deg 0.722
r_dihedral_angle_1_deg 3.996
r_dihedral_angle_3_deg 14.64
r_chiral_restr 0.082
r_gen_planes_refined 0.004
r_gen_planes_other 0.002
r_nbd_refined 0.238
r_nbd_other 0.202
r_xyhbond_nbd_refined 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5148
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 468

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement