X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 292.0
Details PEG4000, MAGNESIUM CHLORIDE, ACETATE, GLYCEROL, pH 4.60, VAPOR DIFFUSION, HANGING DROP, temperature 292.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.59 α = 90
b = 37.74 β = 116.94
c = 57.91 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 MIRROR 1999-07-23
Diffraction Radiation
Monochromator Protocol
SILICON 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 0.92000 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
1.25 30 99.2 0.069 -- -- 3.4 -- 38972 0.0 0.0 13.1
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)
1.25 1.29 97.1 0.433 -- 2.156 3.1 3769

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 1.25 30.0 2.0 4.0 38972 37078 1894 94.2 0.115 0.096 0.101 0.147 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 1.25 1.32 -- -- -- 0.161 -- -- --
X Ray Diffraction 1.32 1.39 -- -- -- 0.129 -- -- --
X Ray Diffraction 1.39 1.46 -- -- -- 0.113 -- -- --
X Ray Diffraction 1.46 1.56 -- -- -- 0.096 -- -- --
X Ray Diffraction 1.56 1.69 -- -- -- 0.086 -- -- --
X Ray Diffraction 1.69 1.86 -- -- -- 0.082 -- -- --
X Ray Diffraction 1.86 2.12 -- -- -- 0.086 -- -- --
X Ray Diffraction 2.12 2.65 -- -- -- 0.082 -- -- --
X Ray Diffraction 2.65 7.04 -- -- -- 0.105 -- -- --
X Ray Diffraction 7.04 30.0 -- -- -- 0.259 -- -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Anisotropic
Mean Isotropic B 14.67
RMS Deviations
Key Refinement Restraint Deviation
s_similar_dist 0.0
s_similar_adp_cmpnt 0.048
s_from_restr_planes 0.031
s_anti_bump_dis_restr 0.225
s_bond_d 0.015
s_angle_d 0.031
s_zero_chiral_vol 0.157
s_non_zero_chiral_vol 0.167
s_rigid_bond_adp_cmpnt 0.019
s_approx_iso_adps 0.087
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.12
Number Disordered Residues 10.0
Occupancy Sum Hydrogen 1296.0
Occupancy Sum Non Hydrogen 1664.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1296
Nucleic Acid Atoms 0
Heterogen Atoms 72
Solvent Atoms 343

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
SHELXL-97 refinement