X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.8
Temperature 259.0
Details Sodium acetate, PEG 3350, Ethylene Glycole, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 259K, pH 7.80

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 33.88 α = 92.74
b = 44.25 β = 118.02
c = 61.42 γ = 109.67
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SBC-2 -- 2003-03-17
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID -- APS 19-ID

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 20 92.2 -- 0.026 -- 2.1 -- 35721 -- -3.0 32.0
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)
2.0 2.07 84.6 -- 0.166 3.8 -- --

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 2.0 20.0 -- 0.0 19377 17817 1752 91.9 -- -- 0.219 0.27 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 2.0 2.13 -- 215 2337 0.376 0.394 0.027 79.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model ISOTROPIC
Mean Isotropic B 50.6
Anisotropic B[1][1] -4.58
Anisotropic B[1][2] 6.28
Anisotropic B[1][3] 7.18
Anisotropic B[2][2] 4.05
Anisotropic B[2][3] 14.82
Anisotropic B[3][3] 0.52
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 5.21
c_angle_deg 1.6
c_dihedral_angle_d 22.9
c_improper_angle_d 1.01
c_mcbond_it 3.63
c_scangle_it 7.21
c_mcangle_it 5.02
c_bond_d 0.019
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.39
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.38
Luzzati Sigma A (R-Free Set) 0.42
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1834
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 145

Software

Software
Software Name Purpose
HKL-2000 data collection
SCALEPACK data scaling
SnB phasing version: + PHASES + SHARP
ARP/wARP model building version: 5.1 + CNS 1.1
HKL-2000 data reduction
SHAKE-N-BAKE phasing
PHASES phasing
SHARP phasing
CNS refinement version: 1.1