4I13

Nanobody ca1697 binding to the DHFR.folate binary complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP729817% w/v PEG 1500, 10% v/v MPD, 50mM PIPES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties
Matthew coefficientSolvent content
2.5151.09

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 49.76α = 90
b = 58.05β = 90
c = 114.38γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2009-07-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID23-20.87260ESRFID23-2

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
11.62099.94451744517213.12
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.61.69100

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1.619.6111.344451744447223899.930.15540.15420.180318.3029
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]
0.9445-1.07690.1324
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.138
f_angle_d1.051
f_chiral_restr0.074
f_bond_d0.006
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2240
Nucleic Acid Atoms
Solvent Atoms384
Heterogen Atoms32

Software

Software
Software NamePurpose
HKL-3000data collection
PHASERphasing
PHENIXrefinement
MOSFLMdata reduction
SCALAdata scaling