X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details pH 7.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.4 α = 115
b = 110.7 β = 97.4
c = 108.7 γ = 90
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 275
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 300 mm plate -- 1994-02-09
Diffraction Radiation
Monochromator Protocol
GRAPHITE HUBER FLAT #151 --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS -- -- --

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
2.6 26 69.4 0.057 -- -- 1.7 -- 54820 -- 0.0 --
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)
2.6 2.74 55.7 0.231 -- 2.8 1.5 --

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
MULTIPLE ISOMORPHOUS REPLACEMENT, DENSITY AVERAGING 2.6 8.0 -- 2.0 -- 52961 -- 69.9 -- 0.246 0.246 0.327 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.0
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.209
x_bond_d 0.015
x_dihedral_angle_d 25.07
x_angle_deg 2.925
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11254
Nucleic Acid Atoms 0
Heterogen Atoms 132
Solvent Atoms 157

Software

Computing
Computing Package Purpose
MARXDS Data Reduction (intensity integration)
AGROVATA 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