1Y1K

Crystal structure of the complex of subtilisin BPN' with chymotrypsin inhibitor 2 T58A mutant


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1TM3 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.6277sodium citrate, isopropanol, PEG 2000, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.463.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 94.053α = 90
b = 94.053β = 90
c = 187.375γ = 120
Symmetry
Space GroupP 65 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42002-10-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.11.000ALS8.3.1

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
11.5681.6599.50.0713.95.66991169911-3

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1TM31.5681.656991166395351699.50.165320.165320.164280.1848inherited from 1TM318.283
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]
0.270.140.27-0.41
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.72
r_scangle_it4.52
r_scbond_it2.752
r_angle_refined_deg1.865
r_mcangle_it1.657
r_mcbond_it0.98
r_symmetry_vdw_refined0.439
r_symmetry_hbond_refined0.238
r_nbd_refined0.21
r_xyhbond_nbd_refined0.18
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.72
r_scangle_it4.52
r_scbond_it2.752
r_angle_refined_deg1.865
r_mcangle_it1.657
r_mcbond_it0.98
r_symmetry_vdw_refined0.439
r_symmetry_hbond_refined0.238
r_nbd_refined0.21
r_xyhbond_nbd_refined0.18
r_chiral_restr0.136
r_metal_ion_refined0.062
r_bond_refined_d0.02
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2563
Nucleic Acid Atoms
Solvent Atoms499
Heterogen Atoms81

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
TRUNCATEdata reduction
EPMRphasing
REFMACrefinement
CCP4data scaling
TRUNCATEdata scaling