3ITI

Structure of bovine trypsin with the MAD triangle B3C


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
19.5293precipitant: 30% PEG 3000, 0.1 M CHES, protein 60 mg/ml, drop size 100 nL protein solution plus 100 nl precipitant, pH 9.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.1943.72

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.658α = 90
b = 56.883β = 90
c = 66.808γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDBRUKER SMART 6000MULTI-LAYER INCOATEC OPTICS2009-01-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEMACSCIENCE

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
11.5541.8499.90.065818.97.6930398
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)
11.551.6599.70.2883.873.61

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONSADFREE R1.5541.8430344152999.90.1680.1680.213RANDOM15.425
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
s_from_restr_planes0.497
s_non_zero_chiral_vol0.052
s_zero_chiral_vol0.05
s_similar_adp_cmpnt0.044
s_angle_d0.024
s_anti_bump_dis_restr0.013
s_bond_d0.009
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1599
Nucleic Acid Atoms
Solvent Atoms243
Heterogen Atoms27

Software

Software
Software NamePurpose
SHELXrefinement
PDB_EXTRACTdata extraction
SAINTdata reduction
SADABSdata scaling
SHELXDphasing
SHELXL-97refinement