3L95

Crystal structure of the human Notch1 Negative Regulatory Region (NRR) bound to the fab fragment of an antagonist antibody


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION7.5292Equal volumes of protein and well solutions. Protein: 6 mg/mL in 150 mM NaCl, 20 mM Bis-Tris pH 6.5. Well solution: 300 mM di-Ammonium Sulfate, 20% PEG 5000 MME, 100 mM Tris pH 7.5, VAPOR DIFFUSION, temperature 292K
Crystal Properties
Matthews coefficientSolvent content
2.2645.63

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.254α = 90
b = 163.934β = 90
c = 179.62γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDADSC QUANTUM 3152008-04-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 5.0.21.000ALS5.0.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
12.193097.40.09814.96.67179469923-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.192.3288.50.4964.25.5

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTpdb 2OO4, fab fragment2.193062930697997.760.227210.222330.27076RANDOM27.279
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]
-1.920.41.51
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.236
r_dihedral_angle_4_deg17.149
r_dihedral_angle_3_deg15.618
r_dihedral_angle_1_deg5.872
r_mcangle_it3.579
r_scangle_it3.199
r_mcbond_it2.397
r_scbond_it2.202
r_angle_refined_deg1.139
r_angle_other_deg0.821
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.236
r_dihedral_angle_4_deg17.149
r_dihedral_angle_3_deg15.618
r_dihedral_angle_1_deg5.872
r_mcangle_it3.579
r_scangle_it3.199
r_mcbond_it2.397
r_scbond_it2.202
r_angle_refined_deg1.139
r_angle_other_deg0.821
r_mcbond_other0.57
r_symmetry_vdw_other0.197
r_symmetry_vdw_refined0.19
r_nbd_refined0.188
r_nbd_other0.185
r_nbtor_refined0.174
r_symmetry_hbond_refined0.159
r_xyhbond_nbd_refined0.14
r_metal_ion_refined0.119
r_nbtor_other0.082
r_chiral_restr0.066
r_bond_refined_d0.008
r_gen_planes_refined0.003
r_bond_other_d0.001
r_gen_planes_other0.001
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9986
Nucleic Acid Atoms
Solvent Atoms81
Heterogen Atoms39

Software

Software
Software NamePurpose
BOSdata collection
PHASERphasing
REFMACrefinement
XDSdata reduction
XDSdata scaling