X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 293.0
Details PEG6000, Citric Acid, Glyserol, pH 5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.55 α = 90
b = 41.51 β = 114.18
c = 71.07 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-05-17
Diffraction Radiation
Monochromator Protocol
MIRROR + Si(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL41XU 0.9000, 0.9805, 0.9800 SPRING-8 BL41XU

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
1.9 24 99.0 0.097 0.079 -- 5.7 26780 26745 -- -- 39.1
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)
1.9 2.0 98.6 0.331 0.271 2.6 5.7 3875

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 1.9 20.0 0.0 0.0 26754 26561 2663 99.0 -- -- 0.199 0.235 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 1.9 1.97 2634 248 2386 0.226 0.266 -- 99.0
X Ray Diffraction 1.97 2.05 2623 262 -- 0.197 0.2571 -- 99.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 22.339
Anisotropic B[1][1] 2.186
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.471
Anisotropic B[2][2] -1.069
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.117
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.414
c_scbond_it 2.318
c_mcangle_it 2.042
c_mcbond_it 1.386
c_improper_angle_d 0.79415
c_dihedral_angle_d 22.5232
c_angle_deg 1.20203
c_bond_d 0.005351
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.215
Luzzati Sigma A (Observed) 0.104
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.258
Luzzati Sigma A (R-Free Set) 0.173
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2435
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 151

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SOLVE, SHARP, ARP/WARP Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
wARP model building
SHARP model building
SOLVE model building
SCALA data reduction
MOSFLM data collection