X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Temperature 277.0
Details PROTEIN WAS CRYSTALLIZED FROM 1.2 M NA CITRATE, 100 MM HEPES, PH 7.5 AT 4 DEGREES CELSIUS. CRYSTALS WERE STABILIZED IN 1.4 M NA CITRATE, 100 MM HEPES, PH 7.5., temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 97.47 α = 90
b = 113.87 β = 90
c = 196.19 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 283
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH DUAL SLITS 1996-01-24
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE MACSCIENCE SRA -- -- --

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
4 30 85.0 0.166 0.166 -- 3.6 -- 16089 -- 0.0 70.0
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)
4.0 4.22 50.0 0.732 0.732 0.9 1.3 --

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
MIRAS 4.0 27.0 -- 2.0 -- 15543 785 81.8 -- 0.382 0.382 0.428 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 4.0 4.18 -- 52 946 0.43 0.462 0.064 42.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model 24 (GROUPED) THERMAL FACT
Anisotropic B[1][1] 119.984
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 138.351
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 128.014
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.43
x_bond_d 0.01
x_angle_deg 1.66
x_dihedral_angle_d 18.9
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6588
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (AGROVATA, ROTAVATA, TRUNCATE) Data Reduction (data scaling)
HASSP, X-PLOR 3.843 Structure Solution
X-PLOR 3.843 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.843 refinement
X-PLOR version: 3.843 model building
HASSP model building