3VEQ

A binary complex betwwen bovine pancreatic trypsin and a engineered mutant trypsin inhibitor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2QYIPDB ENTRY 2QYI

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP293VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
1.8734.37

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 122.997α = 90
b = 39.826β = 119.65
c = 76.783γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate2011-09-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.54

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.252090.81421832.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2QYI2.2519.911421871290.80.2180.2180.274RANDOM39
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]
6.04-5.87-4.66-1.37
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.6
c_scangle_it3.07
c_mcangle_it2.91
c_scbond_it2
c_mcbond_it1.7
c_angle_deg1.3
c_improper_angle_d0.86
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2998
Nucleic Acid Atoms
Solvent Atoms159
Heterogen Atoms1

Software

Software
Software NamePurpose
CNSrefinement
MAR345dtbdata collection
AUTOMARdata reduction
MOLREPphasing