X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 9
Temperature 293.0
Details 2.6-3.0 M (NH4)2SO4, 20 MM TRIS, 1 MM EDTA, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.16 α = 90
b = 40 β = 90
c = 80.01 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1997-02-24
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS 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
1.7 50 98.0 0.044 -- -- -- -- 17916 -- 0.0 --

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 1.7 5.0 -- 0.0 15394 15394 1523 89.6 0.182 0.183 -- 0.228 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.0
s_similar_adp_cmpnt 0.081
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.1
s_non_zero_chiral_vol 0.052
s_zero_chiral_vol 0.042
s_similar_dist 0.006
s_angle_d 0.023
s_bond_d 0.01
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 1357.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1223
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 80

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
XDS Data Reduction (data scaling)
X-PLOR Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
X-PLOR model building
XDS data reduction
R-AXIS data collection