2FZS

Crystal structure of E. coli ClpP with a Peptide Chloromethyl Ketone Covalently Bound at the Active Site


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.62980.1M tri-sodium citrate, 0.15M ammonium acetate, 30% PEG 4000 , pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Crystal Properties
Matthews coefficientSolvent content
2.2745.9

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 190.7α = 90
b = 101β = 99
c = 155.4γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4mirrors2004-06-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X9B1.2547NSLSX9B

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
11.950940.05121.53.5215884
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)
11.91.9795.10.3732.81.7

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 REPLACEMENTTHROUGHOUTPDB ENTRY: 1TYF1.9152033902033901073193.80.1760.1760.1730.233RANDOM36
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]
0.850.510.28-0.98
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.968
r_dihedral_angle_4_deg19.434
r_dihedral_angle_3_deg17.177
r_dihedral_angle_1_deg6.082
r_scangle_it4.176
r_scbond_it2.766
r_angle_refined_deg1.787
r_mcangle_it1.537
r_mcbond_it1.046
r_nbtor_refined0.303
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.968
r_dihedral_angle_4_deg19.434
r_dihedral_angle_3_deg17.177
r_dihedral_angle_1_deg6.082
r_scangle_it4.176
r_scbond_it2.766
r_angle_refined_deg1.787
r_mcangle_it1.537
r_mcbond_it1.046
r_nbtor_refined0.303
r_symmetry_vdw_refined0.237
r_nbd_refined0.223
r_symmetry_hbond_refined0.2
r_xyhbond_nbd_refined0.172
r_chiral_restr0.126
r_bond_refined_d0.019
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms20264
Nucleic Acid Atoms
Solvent Atoms2855
Heterogen Atoms650

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
SCALEPACKdata scaling
AMoREphasing