X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.8
Details CRYSTALLIZED FROM 30% PEG 8000 SOLUTION., pH 5.8

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.69 α = 90
b = 31.87 β = 123.09
c = 62.42 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS-NICOLET X100 -- 1993
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
2.3 28.4 92.6 0.054 -- -- 1.3 -- 5243 -- 2.0 --

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
MIR 2.3 8.0 -- 2.0 -- 4096 -- 89.1 -- -- 0.175 -- --
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 35.2
p_staggered_tor 17.0
p_planar_tor 1.3
p_xyhbond_nbd 0.209
p_multtor_nbd 0.201
p_bond_d 0.013
p_angle_d 0.027
p_angle_deg 2.19
p_planar_d 0.035
p_mcbond_it 1.2
p_mcangle_it 2.129
p_scbond_it 1.915
p_scangle_it 3.077
p_plane_restr 0.01
p_chiral_restr 0.129
p_singtor_nbd 0.197
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1046
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 45

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
PHASES, X-PLOR Structure Solution
PROFFT, X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement
PROFFT refinement
X-PLOR model building
PHASES model building