4K3M

E.coli sliding clamp in complex with AcALDLF peptide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5285100mM MES, 100-150mM CaCl2, 25-30%(v/v) PEG400, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 285K
Crystal Properties
Matthews coefficientSolvent content
2.4449.58

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 79.853α = 90
b = 67.29β = 113.76
c = 81.19γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm platemirrors2012-10-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF1.5418

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
11.855099.30.03821.13.76682866828-2-2
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)
11.851.9296.90.3163.16455

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 REPLACEMENTTHROUGHOUT1MMI1.8530.656073460734307490.380.20470.2020.2577RANDOM19.6827
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
r_dihedral_angle_2_deg36.756
r_dihedral_angle_4_deg16.729
r_dihedral_angle_3_deg14.16
r_dihedral_angle_1_deg5.532
r_angle_refined_deg1.145
r_chiral_restr0.077
r_bond_refined_d0.006
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5550
Nucleic Acid Atoms
Solvent Atoms626
Heterogen Atoms61

Software

Software
Software NamePurpose
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
MAR345dtbdata collection
HKL-2000data reduction
MOLREPphasing