X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.2PROTEIN WAS CRYSTALLIZED USING 3 MICROLITERS OF LECTIN SOLUTION (34 MG/ML) AND 755 MICROMOLAR SUGAR IN 0.1 M HEPES, PH 7.2, 1MM CACL2, 1MM MNCL2, AND 0.15 M NACL, WHICH WERE MIXED WITH 3 MICROLITER OF PRECIPITANT SOLUTION (SAME BUFFER, EXCEPT THAT THE SALT CONCENTRATION WAS 0.5M
Crystal Properties
Matthews coefficientSolvent content
2.8456.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 122.64α = 90
b = 122.64β = 90
c = 90.56γ = 90
Symmetry
Space GroupI 41 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray287AREA DETECTORSIEMENSCOLLIMATOR1995-10-19M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH2R

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.4225910.01280.012813.94.7412224226.2
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.422.77850.029990.029993.73.92

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 1SBA2.43991177711777880.187
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]
RMS Deviations
KeyRefinement Restraint Deviation
t_dihedral_angle_d18.686
t_angle_deg1.946
t_nbd0.062
t_gen_planes0.024
t_trig_c_planes0.017
t_bond_d0.011
t_incorr_chiral_ct
t_pseud_angle
t_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1707
Nucleic Acid Atoms
Solvent Atoms22
Heterogen Atoms27

Software

Software
Software NamePurpose
AMoREphasing
TNTrefinement
XENGENdata reduction
XENGENdata scaling