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 0.2M zinc acetate, 10% (v/v) 2-propanol, 0.1M sodium cacodylate , pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.88 α = 90
b = 233.67 β = 97.33
c = 70.08 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
CCD ADSC QUANTUM 315r -- 2012-04-12
Diffraction Radiation
Monochromator Protocol
Rosenbaum-Rock double crystal sagittal focusing monochrometer 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
2.2 50 100.0 0.103 0.103 -- 4.2 86349 86349 0.0 0.0 33.0
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)
2.2 2.28 100.0 0.876 0.876 2.1 4.2 8627

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 2.2 45.29 0.0 0.0 86296 81976 4320 99.56 0.19023 0.19023 0.18798 0.23204 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 2.2 2.257 6091 297 5794 0.315 0.306 -- 94.79
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 47.737
Anisotropic B[1][1] 4.64
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.69
Anisotropic B[2][2] -0.84
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.59
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_other 0.008
r_gen_planes_refined 0.006
r_chiral_restr 0.07
r_dihedral_angle_4_deg 14.783
r_dihedral_angle_3_deg 13.211
r_dihedral_angle_2_deg 32.948
r_dihedral_angle_1_deg 6.067
r_angle_other_deg 0.801
r_angle_refined_deg 1.399
r_bond_other_d 0.002
r_bond_refined_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12575
Nucleic Acid Atoms 0
Heterogen Atoms 42
Solvent Atoms 404

Software

Computing
Computing Package Purpose
ADSC Quantum Data Collection
HKL-3000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.7.0029 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.7.0029 refinement
MOLREP model building
ADSC version: Quantum data collection