X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 293.0
Details PEG 8000, calcium chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 122.52 α = 90
b = 122.52 β = 90
c = 82.72 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 mirror, Monochromator 2002-01-31
Diffraction Radiation
Monochromator Protocol
Liquid gallium cooled, bent, triangular, si 111 optimised for 1.488 (11.7 asymmetric cut) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 1.488 SRS PX14.1

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
3 87.7 -- 0.123 0.123 -- 6.1 -- 13119 -- 2.0 --
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)
3.0 3.16 -- 0.313 0.313 2.3 -- --

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 3.0 25.0 -- 0.0 13085 12876 659 98.4 -- -- 0.247 0.299 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 3.0 3.11 1169 60 1169 0.413 0.43 -- 96.0
X Ray Diffraction 3.11 3.23 1154 70 -- 0.342 0.402 -- 96.0
X Ray Diffraction 3.23 3.38 1178 60 -- 0.308 0.336 -- 97.0
X Ray Diffraction 3.38 3.56 1205 63 -- 0.286 0.329 -- 98.0
X Ray Diffraction 3.56 3.78 1193 72 -- 0.283 0.361 -- 99.0
X Ray Diffraction 3.78 4.07 1211 71 -- 0.269 0.343 -- 99.0
X Ray Diffraction 4.07 4.48 1239 67 -- 0.192 0.257 -- 99.0
X Ray Diffraction 4.48 5.12 1255 66 -- 0.198 0.225 -- 100.0
X Ray Diffraction 5.12 6.43 1279 59 -- 0.243 0.268 -- 100.0
X Ray Diffraction 6.43 25.0 1334 71 -- 0.211 0.256 -- 99.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.01
c_angle_deg 1.33
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.45
Luzzati Sigma A (Observed) 0.58
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.57
Luzzati Sigma A (R-Free Set) 0.62
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2452
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 0

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
AMoRE phasing
CNS refinement version: 1.0
CCP4 data scaling version: (SCALA)