2GI9

Backbone Conformational Constraints in a Microcrystalline U-15N-Labeled Protein by 3D Dipolar-Shift Solid-State NMR Spectroscopy


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.55mM Acetate 3.8, 150mM NaCl, 50% MPD and 20% IPA, pH 4.5
Crystal Properties
Matthews coefficientSolvent content
1.9236

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 25.197α = 90
b = 36.384β = 90
c = 50.274γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayCCDADSC QUANTUM 2102005-11-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X12CNSLSX12C

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
11.145096.316662

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONAB INITIOFREE R1.145041650278794.60.1930.1670.181RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
557
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.084
s_similar_adp_cmpnt0.075
s_zero_chiral_vol0.063
s_from_restr_planes0.031
s_angle_d0.03
s_anti_bump_dis_restr0.015
s_bond_d0.013
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms438
Nucleic Acid Atoms
Solvent Atoms119
Heterogen Atoms

Software

Software
Software NamePurpose
SHELXmodel building
SHELXL-97refinement
HKL-2000data reduction
SCALEPACKdata scaling
SHELXphasing
NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number1