X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2IEN 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15298CRYSTAL WAS GROWN BY THE HANGING-DROP VAPOR-DIFFUSION METHOD AT ROOM TEMPERATURE FROM A 7 MG/ML PROTEIN SOLUTION AT PH 5.0 WITH 1.4 M NACL, 0.03 M NAOAC, 3% DMSO.THE INHIBITOR WAS MIXED WITH PROTEASE IN A RATIO 5:1, VAPOR DIFFUSION, HANGING DROP TEMPERATURE 298K
Crystal Properties
Matthews coefficientSolvent content
2.6954.21

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.322α = 90
b = 86.329β = 90
c = 45.983γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2008-06-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-BMAPS22-BM

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.465091.90.05234.96.937895
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.461.5154.90.4922.14

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R2IEN1.461037584187892.30.1430.140.189RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
181637.381762.32
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.088
s_non_zero_chiral_vol0.063
s_zero_chiral_vol0.054
s_angle_d0.032
s_from_restr_planes0.029
s_bond_d0.011
s_rigid_bond_adp_cmpnt0.003
s_similar_dist
s_anti_bump_dis_restr
s_similar_adp_cmpnt
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1510
Nucleic Acid Atoms
Solvent Atoms272
Heterogen Atoms53

Software

Software
Software NamePurpose
HKL-2000data collection
MOLREPphasing
SHELXL-97refinement
HKL-2000data reduction
HKL-2000data scaling