X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1vapor diffusion - sitting drop with streak and macroseeding7.5CRYSTALS WERE OBTAINED BY VAPOUR DIFFUSION USING THE SITTING DROP TECHNIQUE. EQUAL VOLUMES OF HSA-MYRISTIC ACID COMPLEX (100 MG/ML) WERE MIXED WITH A RESERVOIR SOLUTION CONSISTING OF 25-30% (W/ V) POLYETHYLENE GLYCOL 3350, 50MM POTASSIUM PHOSPHATE PH 7.5. CRYSTALS GREW SPONTANEOUSLY AS CLUSTERS OF RODS. STREAK AND MACROSEEDING WERE USED TO INCREASE CRYSTAL YIELD. CRYSTALS WERE HARVESTED INTO 31% (W/V) PEG 3350, 50MM POTASSIUM PHOSPHATE PH 7.5 CONTAINING 0.1 MM MYRISTIC ACID., vapor diffusion - sitting drop with streak and macroseeding
Crystal Properties
Matthews coefficientSolvent content
2.6654

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 189.18α = 90
b = 38.96β = 105.31
c = 96.4γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298IMAGE PLATEMARRESEARCHMIRRORS1997-04-22M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX9.5SRSPX9.5

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
12.52090.70.0840.0845.44.821836
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)
2.52.64650.2250.22532.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONMIRTHROUGHOUT2.52021834103290.80.22440.22440.279RANDOM51.4
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
x_dihedral_angle_d24.2
x_scangle_it4.39
x_mcangle_it2.85
x_scbond_it2.66
x_mcbond_it1.66
x_angle_deg1.19
x_improper_angle_d0.61
x_bond_d0.006
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d24.2
x_scangle_it4.39
x_mcangle_it2.85
x_scbond_it2.66
x_mcbond_it1.66
x_angle_deg1.19
x_improper_angle_d0.61
x_bond_d0.006
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4475
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms69

Software

Software
Software NamePurpose
MOSFLMdata reduction
CCP4data reduction
X-PLORmodel building
X-PLORrefinement
CCP4data scaling
X-PLORphasing