X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 281.15
Details 20%PEG MME 5000, 0.2M amm.sulfate, 0.1M Cacod.acid/Na Cacodylate, 10microM Zn acetate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 281.15K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 44.76 α = 90
b = 77.43 β = 101.7
c = 78.5 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 mirrors 2002-02-20
Diffraction Radiation
Monochromator Protocol
-- single wavelength
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR591 1.5418 -- --

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
2.01 54.23 97.0 0.073 0.063 -- 3.7 34214 33715 -- 3.0 15.16
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)
2.01 2.12 88.2 0.144 0.118 6.0 2.7 4475

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 2.01 25.0 -- 0.0 34797 33305 3304 96.0 -- -- 0.1865 0.216 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 2.01 2.03 384 44 -- 0.2093 0.2321 -- --
X Ray Diffraction 2.5 2.54 592 76 -- 0.1874 0.2106 -- --
X Ray Diffraction 3.08 3.15 618 82 -- 0.1896 0.2106 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model restrained
Anisotropic B[1][1] 1.47
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.768
Anisotropic B[2][2] -1.562
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.093
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 0.557
c_scangle_it 1.163
c_scbond_it 0.826
c_mcangle_it 0.896
c_improper_angle_d 0.76
c_bond_d 0.005
c_angle_deg 1.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.1
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.24
Luzzati Sigma A (R-Free Set) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4110
Nucleic Acid Atoms 0
Heterogen Atoms 65
Solvent Atoms 317

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
SCALA data reduction
CNS version: 1.1 refinement
DENZO data collection
CNS model building