X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Details HANGING DROP VAPOUR DIFFUSION, BY MIXING EQUAL VOLUMES OF RESERVOIR AND SAMPLE, 21 DEGREES C. RESERVOIR: 10% PEG-1000, 0.2M AMMONIUM SULFATE, 0.1 M MES, PH 6.0. SAMPLE: 3.5 MG/ML PROTEIN/INHIBITOR COMPLEX AT 1:5 MOLAR RATIO., vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.41 α = 90
b = 63.41 β = 90
c = 83.55 γ = 120
Symmetry
Space Group P 61

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 292
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1997-10
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
2.8 20 95.6 0.13 0.13 -- 2.9 -- 4054 -- 1.0 --
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)
2.8 2.9 74.2 0.08 0.08 -- 2.87 --

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
DIFFERENCE FOURIER 2.8 20.0 -- 0.0 -- 4054 412 95.6 -- -- 0.201 0.255 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 2.93 -- -- 400 -- -- -- 74.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 17.5
Anisotropic B[1][1] 17.5
Anisotropic B[1][2] 17.5
Anisotropic B[1][3] 17.5
Anisotropic B[2][2] 17.5
Anisotropic B[2][3] 17.5
Anisotropic B[3][3] 17.5
RMS Deviations
Key Refinement Restraint Deviation
o_angle_deg 3.4
o_improper_angle_d 1.8
o_dihedral_angle_d 29.2
o_bond_d 0.019
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1502
Nucleic Acid Atoms 0
Heterogen Atoms 78
Solvent Atoms 4

Software

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