X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.38
Temperature 279.0
Details (NH4)2SO4, NaH2PO4, K2HPO4, acetone, pH 6.38, VAPOR DIFFUSION, SITTING DROP, temperature 279K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.6 α = 90
b = 162.39 β = 90
c = 35.6 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 flat mirror (vertical focusing) 2002-01-31
Diffraction Radiation
Monochromator Protocol
single crystal Si(111) bent monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL11-1 0.9800 SSRL BL11-1

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
1.18 30 92.9 0.054 0.054 -- 6.4 134129 134129 -3.0 -3.0 --
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)
1.18 1.22 59.0 0.699 0.699 1.004 -- 8418

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
MAD 1.18 30.0 -- 0.0 124326 124326 6310 -- 0.1802 0.1802 0.1797 0.2228 random
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.032
s_bond_d 0.014
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2633
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 316

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHARP Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SHARP model building
SCALEPACK data reduction
HKL-2000 data collection