X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 4.0
Details MPD, CaCl2, MES, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 4.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.77 α = 90
b = 51.75 β = 90
c = 132.94 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 4 -- 2002-09-06
Diffraction Radiation
Monochromator Protocol
Double Crystal Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.2.1 0.9000 ALS 8.2.1

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
1.45 34.14 97.8 0.69 0.69 -- 5.0 49616 48574 0.0 0.0 20.5
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)
1.45 1.5 88.4 0.439 0.439 3.5 5.0 4310

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 1.45 34.13 -- 0.0 49616 48509 4783 97.6 0.201 0.201 0.198 0.224 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 1.45 1.54 7298 699 6599 0.306 0.321 0.012 89.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 27.8
Anisotropic B[1][1] -5.4
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 9.14
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.73
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 4.74
c_improper_angle_d 0.72
c_bond_d 0.006
c_mcbond_it 2.01
c_angle_deg 1.0
c_mcangle_it 2.71
c_dihedral_angle_d 14.3
c_scangle_it 7.25
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.17
Luzzati Sigma A (Observed) 0.2
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.19
Luzzati Sigma A (R-Free Set) 0.19
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2206
Nucleic Acid Atoms 0
Heterogen Atoms 3
Solvent Atoms 338

Software

Software
Software Name Purpose
HKL-2000 data collection
SCALEPACK data scaling
CNS refinement version: 1.1
HKL-2000 data reduction
CNS phasing version: 1.1