X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 294.0
Details polyethylene glycol 6000, Tris, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 83.07 α = 90
b = 115.17 β = 90
c = 271.5 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC mirrors 1996-09-27
Diffraction Radiation
Monochromator Protocol
YALE MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 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
2.4 20 91.6 0.055 0.055 -- 3.5 47443 47443 0.0 0.0 25.8
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)
2.4 2.44 68.8 0.184 0.184 4.8 -- 1761

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
MIR and multi-crystal averaging 2.5 15.0 0.0 0.0 -- 40303 2142 100.0 -- 0.18057 0.17777 0.23366 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 2.5 2.563 2650 138 2512 0.194 0.282 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 24.001
Anisotropic B[1][1] -0.22
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.22
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.01
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.24
r_gen_planes_refined 0.004
r_chiral_restr 0.103
r_dihedral_angle_3_deg 19.691
r_dihedral_angle_1_deg 3.631
r_angle_refined_deg 1.441
r_bond_refined_d 0.01
r_xyhbond_nbd_refined 0.171
r_symmetry_vdw_refined 0.156
r_symmetry_hbond_refined 0.081
r_mcbond_it 0.48
r_mcangle_it 0.955
r_scbond_it 1.614
r_scangle_it 2.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8834
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 509

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
MLPHARE model building
SCALEPACK data reduction
R-AXIS data collection