X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Details VAPOR DIFFUSION IN HANGING DROPS AGAINST 100 MM-SODIUM CITRATE, PH 4.6, 200 MM LITHIUM CHLORIDE AND 25%(W/V) PEG 8000 AT 277K. CRYSTALS SOAKED IN 10MM DITHIONITE FOR 3 DAYS PRIOR TO DATA COLLECTION., vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 32.45 α = 90
b = 60.59 β = 108.02
c = 38.08 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR ADSC -- 1995-06
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
1.9 100 87.4 0.063 0.063 -- 1.97 -- 9718 -- 0.0 --
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)
1.9 1.969 78.0 0.199 0.199 3.02 1.42 --

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
PHASES TAKEN FROM THE OXIDIZED FORM, PDB ENTRY 1RCY 1.9 100.0 -- 0.0 -- 9664 518 87.4 -- 0.213 0.213 0.272 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 1.99 -- 52 990 0.312 0.368 -- 77.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 19.0
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 5.579
x_scbond_it 4.24
x_mcangle_it 3.984
x_mcbond_it 3.042
x_improper_angle_d 0.7
x_bond_d 0.007
x_angle_deg 1.4
x_dihedral_angle_d 28.9
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1133
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 85

Software

Computing
Computing Package Purpose
ADSC Data Reduction (intensity integration)
ADSC Data Reduction (data scaling)
X-PLOR 3.8 Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
X-PLOR version: 3.8 model building