X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Temperature 291.0
Details 7 MICROLITERS OF 4.3 MG/ML MAB231, 3 MICROLITERS 50 MILLIMOLAR TRIS PH 8.0, AND 7 MICROLITERS 4% PEG 3350 EQUILIBRATED AGAINST 25 ML RESERVOIRS OF 4% PEG 3350, AT 18 DEGREE CELSIUS (SANDWICH PLATE)., temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 65.82 α = 88.05
b = 76.77 β = 92.35
c = 100.64 γ = 97.23
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 291
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XUONG-HAMLIN MULTIWIRE -- 1992-11
Diffraction Radiation
Monochromator Protocol
SUPPER GRAPHITE CRYSTAL ASYMMETRIC CUT TRIANGULAR BENT CRYSTAL (SI-111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
2.8 76.1 99.0 -- 0.1 -- 4.4 -- 47595 -- -- 45.5

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 2.8 20.0 -- 4.0 -- 41371 4149 86.2 -- 0.209 0.209 0.297 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 2.8 2.97 -- 487 4482 0.322 0.417 0.019 62.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 52.0
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 11.39
x_scbond_it 7.88
x_mcangle_it 9.6
x_mcbond_it 5.9
x_improper_angle_d 1.4
x_bond_d 0.009
x_angle_deg 1.6
x_dihedral_angle_d 27.1
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.34
Luzzati Sigma A (Observed) 0.56
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.48
Luzzati Sigma A (R-Free Set) 0.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10214
Nucleic Acid Atoms 0
Heterogen Atoms 220
Solvent Atoms 0

Software

Computing
Computing Package Purpose
XENGEN (HOWARD, NIELSEN, XUONG) Data Reduction (intensity integration)
XENGEN (HOWARD, NIELSEN, XUONG) Data Reduction (data scaling)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building
NIELSEN data reduction
HOWARD data reduction
NIELSEN data collection
HOWARD data collection