X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details FROM 6% PEG4000, 100 MM ACETATE BUFFER PH 4.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 140.62 α = 90
b = 140.62 β = 90
c = 132.51 γ = 90
Symmetry
Space Group I 4

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 300
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH COLLIMATOR 1996-11
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
3.1 30 94.7 -- 0.62 -- 7.0 -- 21522 -- 0.0 24.0
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)
3.1 3.2 90.1 0.274 0.274 3.0 2.0 --

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
DENSITY AVERAGING AND LEAST SQUARES REFINEMENT 3.1 30.0 -- 0.0 21522 21522 1000 94.3 0.206 0.206 0.205 0.24 --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT BCORREL
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.026
t_it 8.4
t_gen_planes 0.005
t_trig_c_planes 0.006
t_incorr_chiral_ct 0.0
t_dihedral_angle_d 17.5
t_angle_deg 2.2
t_bond_d 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8782
Nucleic Acid Atoms 0
Heterogen Atoms 128
Solvent Atoms 0

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
CCP4 Structure Solution
TNT V. 5-E Structure Refinement
Software
Software Name Purpose
TNT version: 5E refinement
CCP4 model building