X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3SPBPDB ENTRY 3SPB

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.529120 mg/mL MurA, 25 mM HEPES, pH 7.5, 0.1 M ammonium sulfate, 50 mM Bis-Tris, pH 5.5, 12.5% PEG3350, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.7655.38

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 66.84α = 90
b = 73.86β = 90
c = 99.8γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDRIGAKU SATURN 944+mirrors2010-05-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
11.620990.0620.02330.53.765232-320.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.61.796.60.4060.2354.82.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 3SPB1.619.6165232110998.90.1830.1830.206RANDOM23.1
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]
-2.62-4.286.89
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.5
c_improper_angle_d12.79
c_scangle_it3.38
c_scbond_it2.22
c_mcangle_it1.78
c_angle_deg1.7
c_mcbond_it1.2
c_bond_d0.01
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.5
c_improper_angle_d12.79
c_scangle_it3.38
c_scbond_it2.22
c_mcangle_it1.78
c_angle_deg1.7
c_mcbond_it1.2
c_bond_d0.01
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 Atoms3134
Nucleic Acid Atoms
Solvent Atoms510
Heterogen Atoms59

Software

Software
Software NamePurpose
StructureStudiodata collection
MOLREPphasing
CNSrefinement
XDSdata reduction
XDSdata scaling