X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 292.0
Details PEG4000, TRIS-HCL, ACETATE, CHLORIDE, pH 8.50, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.74 α = 90
b = 140.55 β = 117.42
c = 49.76 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 4 MIRROR 2001-03-21
Diffraction Radiation
Monochromator Protocol
SILICON 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B -- NSLS X9B

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
2.1 30 92.9 0.059 -- -- 2.165 33591 33591 0.0 0.0 28.3
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)
2.1 2.18 74.7 0.185 -- 2.985 2.023 2721

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 2.1 30.0 2.0 4.0 31462 26653 1719 89.2 0.2079 0.1891 0.1947 0.2863 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 2.1 2.21 3256 -- -- 0.255 -- -- --
X Ray Diffraction 2.21 2.33 3100 -- -- 0.231 -- -- --
X Ray Diffraction 2.33 2.46 3290 -- -- 0.219 -- -- --
X Ray Diffraction 2.46 2.62 3128 -- -- 0.198 -- -- --
X Ray Diffraction 2.62 2.81 3001 -- -- 0.185 -- -- --
X Ray Diffraction 2.81 3.07 3096 -- -- 0.173 -- -- --
X Ray Diffraction 3.07 3.47 3212 -- -- 0.168 -- -- --
X Ray Diffraction 3.47 4.2 3124 -- -- 0.166 -- -- --
X Ray Diffraction 4.2 6.85 3122 -- -- 0.179 -- -- --
X Ray Diffraction 6.85 30.0 918 -- -- 0.293 -- -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model ISOTROPIC
Mean Isotropic B 31.865
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.0
s_similar_adp_cmpnt 0.085
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.034
s_non_zero_chiral_vol 0.053
s_zero_chiral_vol 0.036
s_from_restr_planes 0.02
s_similar_dist 0.0
s_angle_d 0.018
s_bond_d 0.005
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.228
Luzzati Resolution Cutoff (Low) 5.0
Number Disordered Residues 7.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 5640.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4920
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 712

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
AMORE model building
SCALEPACK data reduction
DENZO data collection