3FP8

Anionic trypsin variant S195A in complex with bovine pancreatic trypsin inhibitor (BPTI) determined to the 1.46 A resolution limit


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3TGIPDB ENTRY 3TGI

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.52950.2M lithium sulfate, 0.1M tris, 34% (w/v) PEG 4000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.4649.98

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91.933α = 90
b = 91.933β = 90
c = 61.135γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDNonius Kappa CCDOSMIC CONFOCAL MAX-FLUX (GREEN)2007-12-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEENRAF-NONIUS FR591

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.46301000.05520.512.851920-312.2
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.461.5199.90.2786.15.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)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 3TGI1.46305189451894414199.80.1750.1750.189RANDOM, BUT IDENTICAL TO THOSE IDENTIFIED FOR PDB ENTRY 3FP6 & 3FP712
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]
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.8
c_scangle_it2.03
c_mcangle_it1.46
c_angle_deg1.38
c_scbond_it1.36
c_improper_angle_d1.19
c_mcbond_it0.89
c_bond_d0.0049
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.8
c_scangle_it2.03
c_mcangle_it1.46
c_angle_deg1.38
c_scbond_it1.36
c_improper_angle_d1.19
c_mcbond_it0.89
c_bond_d0.0049
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2226
Nucleic Acid Atoms
Solvent Atoms355
Heterogen Atoms63

Software

Software
Software NamePurpose
SBC-Collectdata collection
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
CNSphasing