5E70 | pdb_00005e70

Crystal structure of Ecoli Branching Enzyme with gamma cyclodextrin


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1M7X 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.22770.1M HEPES, pH = 7.2
Crystal Properties
Matthews coefficientSolvent content
3.1160.46

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 92.097α = 90
b = 103.221β = 91.73
c = 186.694γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2008-02-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-D0.9788APS21-ID-D

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.335095254126463

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-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1M7X2.33501264631404994.560.175040.17030.170.217160.21RANDOM51.039
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]
-0.090.13-0.450.54
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.275
r_dihedral_angle_4_deg18.502
r_dihedral_angle_3_deg17.373
r_dihedral_angle_1_deg6.19
r_scangle_it1.83
r_mcangle_it1.752
r_angle_refined_deg1.346
r_scbond_it1.21
r_mcbond_it1.041
r_chiral_restr0.1
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms19341
Nucleic Acid Atoms
Solvent Atoms1205
Heterogen Atoms476

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing