1GWA

Triiodide derivative of porcine pancreas elastase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5PROTEIN SOLN: 5% PPE IN 0.1M CH3COONA PH5.0, 0.02% NAN3 RESERVOIR: 10MM CH3COONA, 10MM NASO4 DROP:5UL PROTEIN SOLN + 5UL RESERVOIR SITTING DROP VAPOUR DIFFUSION, pH 5.00
Crystal Properties
Matthews coefficientSolvent content
2.0540.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.574α = 90
b = 57.899β = 90
c = 74.761γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKUMSCOSMIC MIRRORS2001-10-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU300

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.8526.72699.20.1050.1056.612.52410276
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.851.95950.3440.3442.17.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONOTHERTHROUGHOUT1.8526.681918498399.20.1710.1690.205RANDOM
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1822
Nucleic Acid Atoms
Solvent Atoms180
Heterogen Atoms29

Software

Software
Software NamePurpose
BUSTER-TNTrefinement
d*TREKdata reduction
SCALAdata scaling