X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop Macroseeding
pH 4.6
Temperature 277.0
Details 30% MPD, 0.1 M sodium acetate, 20 mM CaCl2, pH 4.6, VAPOR DIFFUSION, HANGING DROP, MACROSEEDING, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 138.2 α = 90
b = 46.5 β = 90
c = 136.5 γ = 90
Symmetry
Space Group P 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV mirrors 2001-12-13
Diffraction Radiation
Monochromator Protocol
Yale mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 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
2.4 43 92.7 -- 0.071 -- 9.0 35306 32726 1.0 1.0 26.2
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)
2.4 2.55 61.5 -- 0.477 -- -- 3550

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 2.4 43.22 -- 0.0 35384 29457 1102 83.2 0.247 0.224 0.224 0.248 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 2.4 2.55 3494 56 3494 0.388 0.428 0.057 61.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 46.0
Anisotropic B[1][1] -25.23
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 36.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -10.76
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.4
c_dihedral_angle_d 26.4
c_mcbond_it 1.31
c_bond_d 0.006
c_mcangle_it 2.2
c_scangle_it 2.53
c_improper_angle_d 0.97
c_scbond_it 1.77
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.39
Luzzati Sigma A (R-Free Set) 0.44
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4199
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 230

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SHARP phasing
CNS refinement version: 1.1