X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 291.0
Details 35% PEG 3000 or 6000, 100mM TRIS pH7.5, 100-300 mM NaCl, 2mM DTE with a protein concentration of 11 mg/ml, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 35.95 α = 90
b = 59.68 β = 114.83
c = 37.85 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
IMAGE PLATE MARRESEARCH -- 2000-04-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE DW32 -- LURE DW32

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
1.14 30 93.3 -- 6.2 -- 5.1 -- 52816 -- -- 16.5
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)
1.14 1.16 99.1 -- 15.7 6.4 -- --

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
MIRAS 1.5 34.35 -- 0.1 -- 23301 1127 100.0 -- 0.221 0.221 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 1.5 1.59 -- 193 3676 0.253 0.322 0.023 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 19.0
Anisotropic B[1][1] -0.41
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.94
Anisotropic B[2][2] 1.65
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.24
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.004
c_mcangle_it 2.6
c_angle_deg 1.5
c_mcbond_it 1.58
c_scbond_it 2.9
c_dihedral_angle_d 25.3
c_improper_angle_d 0.93
c_scangle_it 4.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.08
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.2
Luzzati Sigma A (R-Free Set) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1257
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 247

Software

Software
Software Name Purpose
MLPHARE phasing
ARP/wARP model building
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling