X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 9
Temperature 300.0
Details Ammonium sulphate, bicine, potassium nitrate, pH 9, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 62.69 α = 90
b = 71.98 β = 113.06
c = 62.68 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
IMAGE PLATE MAR scanner 345 mm plate osmic mirrors 2000-10-05
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 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
2.25 100 96.0 0.04 0.06 -- 3.2 22062 18478 0.0 0.0 39.0
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)
2.25 2.33 96.2 0.2 -- 4.0 3.0 2291

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 2.25 100.0 0.0 0.0 22062 18478 1665 96.0 0.1978 0.1761 0.1967 0.2383 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic individual atomic B factors
Mean Isotropic B 33.0
Anisotropic B[1][1] 0.9624
Anisotropic B[1][2] 3.0606
Anisotropic B[1][3] -0.4784
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] -0.5418
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
s_anti_bump_dis_restr 0.007
s_non_zero_chiral_vol 0.031
s_from_restr_planes 0.02
s_bond_d 0.007
s_angle_d 0.027
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1776
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 67

Software

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