X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.8
Details INHIBITED PROTEIN WAS CRYSTALLIZED FROM 12-16% PEG 6000 AND 0.2 M NACL,50MM MES BUFFER, PH=5.6-5.8.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 40.6 α = 90
b = 125.7 β = 110.05
c = 41.9 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SIEMENS X1000 -- 1995-02
Diffraction Radiation
Monochromator Protocol
NI FILTER --
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
2.4 15 95.4 0.053 0.082 -- 4.4 -- 14663 -- 2.0 --
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)
2.4 2.55 75.0 0.12 0.17 4.6 2.7 --

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 2.4 8.0 -- 2.0 -- 13754 1402 92.0 -- 0.148 0.148 0.228 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 2.51 -- 104 975 0.216 0.272 0.027 58.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.4
x_scbond_it 2.0
x_dihedral_angle_d 27.1
x_mcbond_it 1.5
x_angle_deg 1.7
x_scangle_it 2.5
x_bond_d 0.011
x_mcangle_it 2.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3424
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 262

Software

Software
Software Name Purpose
XENGEN data collection
XENGEN data reduction
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
XENGEN data scaling
X-PLOR phasing version: 3.1