X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
Details TRIGONAL SPACE GROUP; 24-26% PEG8000, 0.02M INHIBITOR, 0.2M (NH4)2 SO4, 50MM TRIS-HCL, ROOM TEMPERATURE, SITTING DROP., vapor diffusion - sitting drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.62 α = 90
b = 55.62 β = 90
c = 110.51 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1994-07-01
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
-- -- 92.5 0.0989 -- -- 2.84 -- 64660 -- 1.0 --

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
-- 1.7 8.0 -- 2.0 -- 20553 -- -- -- 0.177 0.177 0.218 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.6
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.013
x_angle_deg 2.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1659
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 169

Software

Computing
Computing Package Purpose
PROCESS Data Reduction (intensity integration)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building
PROCESS data collection