3PGF

Crystal structure of maltose bound MBP with a conformationally specific synthetic antigen binder (sAB)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1ANFPDB ENTRIES 1ANF and 2R8S
experimental modelPDB 2R8SPDB ENTRIES 1ANF and 2R8S

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP629219% PEG 3400, 8% Tacsimate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Crystal Properties
Matthews coefficientSolvent content
2.6854.15

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 63.87α = 90
b = 228.46β = 90
c = 135.57γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray200CCDMARMOSAIC 300 mm CCD2010-06-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-D1.07817APS21-ID-D

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
11.835085.20.0612.24.57851074893-3
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)
1.831.8639.70.5162.3

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-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRIES 1ANF and 2R8S2.138.075660953794281597.040.179030.176590.170.226640.22RANDOM23.964
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]
-0.750.450.3
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.909
r_dihedral_angle_4_deg22.459
r_dihedral_angle_3_deg15.985
r_dihedral_angle_1_deg13.895
r_scangle_it3.664
r_scbond_it2.489
r_angle_refined_deg1.954
r_mcangle_it1.386
r_mcbond_it0.842
r_chiral_restr0.14
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6075
Nucleic Acid Atoms
Solvent Atoms400
Heterogen Atoms45

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
MAR345data collection