X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Sitting Drop
pH 7.2
Temperature 291.0
Details 1.3M SODIUM CITRATE, 0.1M HEPES BUFFER, pH 7.2, INHIBITOR SOAKING SOLUTION 10:1 RATIO OF RACEMIC TRANYLCYPROMINE TO ENZYME MADE UP IN 1.4M SODIUM CITRATE, 0.1M HEPES BUFFER, PH 7.2. CRYSTAL SOAKED FOR 20 DAYS.CRYOPROTECTANT 20% GLYCEROL, 1.4M SODIUM CITRATE BUFFER, PH 7.2, pH 7.20, Sitting drop, temperature 291.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 135.24 α = 90
b = 166.48 β = 90
c = 79.63 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 300 mm plate -- 1996-10-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 0.87 SRS PX9.6

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
2.4 100 90.1 0.075 -- -- 2.56 64108 64108 -- 0.0 36.6
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)
2.4 2.49 80.6 0.251 -- 2.9 2.1 --

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
FOURIER SYNTHESIS 2.4 20.0 -- 0.0 70890 63358 2236 89.4 0.185 0.185 0.185 0.229 BY COMPARISON TO A COMPLETE DUMMY REFLECTION SET TO 1.8 ANGSTROMS FOR THE CELL AND SPACE GROUP WITH THE REFLECTIONS RANDOMLY FLAGGED TO GIVE A MINIMUM OF 2000 REFLECTIONS IN THE TEST SET AT 2.6 ANGSTROMS. THIS GAVE A PERCENTAGE OF 3.6% OF REFLECTIONS, WHICH WAS THE OVERALL PERCENT VALUE IN THE TEST SET TO 1.8 ANGSTROMS.
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 0.921
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 8.229
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -9.15
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.4
c_scbond_it 2.326
c_mcangle_it 2.025
c_mcbond_it 1.208
c_angle_deg 1.6
c_bond_d 0.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11365
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 1447

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (AGROVATA, ROTAVATA) Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building
ROTAVATA-AGROVATA data reduction
MOSFLM data collection