X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 293.0
Details 20% PEG 5000 monomethyl ether, 0.1M Bis-Tris, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.75 α = 90
b = 131.04 β = 90
c = 137.5 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 -- 2011-04-22
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X29A 1.075 NSLS X29A

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
2.3 50 99.9 0.097 0.097 -- 6.0 -- 45728 0.0 0.0 --
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)
2.3 2.38 100.0 0.828 0.828 2.2 5.9 4476

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 2.3 47.48 -- -- 38186 43257 2301 99.86 -- 0.1835 0.18114 0.22755 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 2.3 2.36 -- 166 3124 0.34 0.403 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 47.435
Anisotropic B[1][1] 6.2
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.99
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.21
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.006
r_chiral_restr 0.096
r_dihedral_angle_4_deg 19.961
r_dihedral_angle_3_deg 16.423
r_dihedral_angle_2_deg 37.265
r_dihedral_angle_1_deg 6.186
r_angle_refined_deg 1.506
r_bond_refined_d 0.01
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6713
Nucleic Acid Atoms 0
Heterogen Atoms 83
Solvent Atoms 323

Software

Computing
Computing Package Purpose
ADSC Quantum Data Collection
HKL-3000 Data Reduction (intensity integration)
HKL-3000 Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.7.0025 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0117 refinement
MOLREP model building
ADSC version: Quantum data collection