X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 298.0
Details PEG4000, ammonium acetate, sodium cacodylate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 35.73 α = 90
b = 83.47 β = 106.2
c = 43.06 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
IMAGE PLATE RIGAKU RAXIS IIC -- 2000-04-01
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 1.5418 -- --

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
1.6 100 96.7 0.059 -- -- 4.29 -- 30741 2.0 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)
1.6 1.7 84.5 0.242 -- 1.98 -- --

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 1.6 10.0 1.0 2.0 26405 -- 2928 83.3 0.15 0.158 -- 0.207 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.06
s_similar_adp_cmpnt 0.05
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.02
s_non_zero_chiral_vol 0.1
s_zero_chiral_vol 0.07
s_from_restr_planes 0.027
s_similar_dist 0.0
s_angle_d 0.03
s_bond_d 0.01
Coordinate Error
Parameter Value
Number Disordered Residues 13.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 2180.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1868
Nucleic Acid Atoms 0
Heterogen Atoms 196
Solvent Atoms 117

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
X-PLOR model building