X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.3
Details PROTEIN WAS CRYSTALLIZED BY MIXING 5 MG/ML PROTEIN SOLUTION WITH EQUAL AMOUNT OF 2.0 M AMS, 100 MM SODIUM CITRATE, PH 6.3

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 32.16 α = 90
b = 74.24 β = 90
c = 118.12 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 287
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1996-01
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
2 30 95.8 0.068 0.068 -- 4.8 -- 9554 -- 0.0 14.6
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 2.03 84.2 0.36 0.36 2.8 3.2 --

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
MIR 2.0 40.0 -- 0.0 -- 9509 986 95.9 -- 0.198 0.198 0.267 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 2.09 -- 105 955 0.263 0.311 -- 78.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 25.2
RMS Deviations
Key Refinement Restraint Deviation
x_scbond_it 4.5
x_angle_deg 1.2
x_dihedral_angle_d 25.7
x_mcbond_it 2.17
x_improper_angle_d 1.12
x_mcangle_it 3.17
x_bond_d 0.006
x_scangle_it 6.97
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.31
Luzzati Resolution Cutoff (Low) 40.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1230
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 84

Software

Software
Software Name Purpose
X-PLOR model building version: 3.851
X-PLOR refinement version: 3.851
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing version: 3.851