X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
Temperature 295.0
Details ammonium sulphate, DTT, PIPES, VAPOR DIFFUSION, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.89 α = 90
b = 53.89 β = 90
c = 77.36 γ = 90
Symmetry
Space Group P 43

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD CUSTOM-MADE -- 2000-11-22
Diffraction Radiation
Monochromator Protocol
Double crystal monochromator Si-111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 1.03320 APS 19-ID

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
1.54 20 97.1 -- 0.074 -- 7.6 -- 31800 -- 0.0 22.7
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)
1.54 1.6 98.2 -- 0.516 2.6 5.2 3196

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
MAD 1.54 18.0 -- 0.0 31781 31781 1519 92.7 -- -- 0.154 0.193 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 1.54 1.6 2752 121 -- 0.32 0.4 -- 93.24
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 26.9
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.0
s_similar_adp_cmpnt 0.072
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.042
s_non_zero_chiral_vol 0.063
s_zero_chiral_vol 0.056
s_from_restr_planes 0.0347
s_similar_dist 0.0
s_angle_d 0.03
s_bond_d 0.012
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Luzzati Sigma A (Observed) 0.16
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.19
Luzzati Sigma A (R-Free Set) 0.2
Number Disordered Residues 3.0
Occupancy Sum Hydrogen 1164.0
Occupancy Sum Non Hydrogen 1287.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1161
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 126

Software

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