2BKG

Crystal structure of E3_19 a designed ankyrin repeat protein


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1MJ0PDB ENTRY 1MJ0

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.615% PEG 4000, 200 MM KBR, 100MM TRIS-HCL, PH8.0, pH 7.60
Crystal Properties
Matthews coefficientSolvent content
2.1141.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 49.579α = 90
b = 72.67β = 90
c = 83.325γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06SASLSX06SA

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
11.92599.90.084.1243932

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 Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1MJ01.92523178116999.90.1780.1760.190.227RANDOM17.03
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]
-0.2-0.470.68
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.487
r_scangle_it5.202
r_scbond_it3.16
r_mcangle_it1.882
r_angle_other_deg1.787
r_angle_refined_deg1.746
r_mcbond_it1.078
r_symmetry_vdw_other0.283
r_nbd_other0.244
r_symmetry_vdw_refined0.243
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2302
Nucleic Acid Atoms
Solvent Atoms330
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing