X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.6
Temperature 295.0
Details 23-26 % (w/v) PEG 4000, 100 mM Na citrate, pH 5.6, 210-250 mM ammonium acetate, and 100 mM cesium chloride, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.1 α = 90
b = 180.39 β = 97.46
c = 96.63 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 ADSC QUANTUM 315 Flat mirror (vertical focusing) 2003-01-26
Diffraction Radiation
Monochromator Protocol
single crystal Si(311) bent monochromator (horizontal focusing) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 0.9789,0.9417,0.9793 SSRL BL9-1

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
2.3 24.22 99.6 -- 0.091 -- -- -- 91582 0.0 1.0 19.2
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)
2.3 2.42 99.9 -- 0.311 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
MAD 2.3 19.98 -- 0.0 91625 91582 9160 99.8 0.203 0.249 0.203 0.249 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 2.3 2.4 11364 1049 10315 0.231 0.295 0.009 99.7
X Ray Diffraction 2.4 2.53 11456 1186 10270 0.222 0.286 0.008 99.8
X Ray Diffraction 2.53 2.69 11459 1164 10295 0.222 0.269 0.008 99.9
X Ray Diffraction 2.69 2.9 11398 1084 10314 0.221 0.29 0.009 99.9
X Ray Diffraction 2.9 3.19 11429 1142 10287 0.221 0.278 0.008 99.9
X Ray Diffraction 3.19 3.65 11446 1177 10269 0.206 0.248 0.007 100.0
X Ray Diffraction 3.65 4.58 11466 1155 10311 0.179 0.212 0.006 99.9
X Ray Diffraction 4.58 19.98 11564 1203 10361 0.187 0.219 0.006 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 29.32
Anisotropic B[1][1] -2.49
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 3.35
Anisotropic B[2][2] -4.58
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 7.07
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.1
c_scbond_it 2.07
c_torsion_impr_deg 0.78
c_torsion_deg 22.9
c_mcangle_it 2.24
c_mcbond_it 1.39
c_bond_d 0.007
c_scangle_it 2.97
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.2
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.32
Luzzati Sigma A (R-Free Set) 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 15305
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 312

Software

Software
Software Name Purpose
CNS refinement version: 1.1
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
SOLVE phasing