X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Details PEG 1000, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature rtK

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 102.12 α = 90
b = 66.18 β = 106.33
c = 78.22 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD CUSTOM-MADE -- 2000-11-30
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-BM 0.9789 APS 19-BM

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
1.4 50 86.0 0.049 -- -- 3.0 84651 84651 -- -3.0 21.0
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)
1.4 1.45 32.0 0.326 -- 1.4 1.5 3176

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
isomorphous to 3CHB 1.45 25.0 -- 0.0 77338 77338 4085 -- -- -- 0.1252 0.16432 --
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 1.45 1.522 6418 331 -- 0.18 0.237 -- --
X Ray Diffraction 1.522 1.601 8576 482 -- 0.138 0.195 -- --
X Ray Diffraction 1.601 1.689 9170 453 -- 0.106 0.16 -- --
X Ray Diffraction 1.689 1.787 8246 428 -- 0.093 0.16 -- --
X Ray Diffraction 1.787 1.897 7331 384 -- 0.087 0.163 -- --
X Ray Diffraction 1.897 2.021 6490 356 -- 0.092 0.141 -- --
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.019
p_angle_d 0.035
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4075
Nucleic Acid Atoms 0
Heterogen Atoms 144
Solvent Atoms 674

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
CCP4 (TRUNCATE) Data Reduction (data scaling)
ISOMORPHOUS WITH 3CHB Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
isomorphous version: to 3CHB model building
TRUNCATE data reduction
HKL-2000 data collection