1ZKB

Zinc-free Engineered maltose binding protein


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5298PEG 2000 MME, sodium acetate, Tris-HcL, sodium chloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.243.55

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 37.58α = 100.25
b = 44.01β = 101.74
c = 57.35γ = 102.16
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray105IMAGE PLATEMARRESEARCH2005-04-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU3001.5418

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
12.240960.0484.717048
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)
2.22.2893.893.80.1244.7

Refinement

Statistics
Diffraction IDStructure Solution 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 REPLACEMENTPDB ENTRY 1OMP2.237.691734716641166795.90.2640.2640.2440.285RANDOM19.75
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]
5.153.681.58-3.841.69-1.31
RMS Deviations
KeyRefinement Restraint Deviation
c_torsion_deg22.1
c_scangle_it2.85
c_scbond_it2.03
c_mcangle_it1.85
c_mcbond_it1.25
c_angle_deg1.2
c_bond_d0.006
c_torsion_impr_deg
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2873
Nucleic Acid Atoms
Solvent Atoms194
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNSrefinement