2BV8

The crystal structure of Phycocyanin from Gracilaria chilensis.


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7VAPOUR DIFFUSION, HANGING DROP, 18 MG/ML PROTEIN CONC., 1 M AM. SULPHATE, 50 MM PHOSPHATE PH7, PH 7.00
Crystal Properties
Matthews coefficientSolvent content
3.2360.45

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 101.985α = 90
b = 151.803β = 117.45
c = 101.548γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298CCDADSC CCD2001-12-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-IDAPS17-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
126093.60.0618.873.5172985216.2
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.1280.40.35.783.6

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 ENTRY 1GH02.0152.83178325710097.70.19940.19940.2306RANDOM28.4
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]
-2.77-3.45-2.52-0.25
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d18.8
c_angle_deg2.3
c_improper_angle_d2.02
c_bond_d0.022
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d18.8
c_angle_deg2.3
c_improper_angle_d2.02
c_bond_d0.022
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms15030
Nucleic Acid Atoms
Solvent Atoms1008
Heterogen Atoms774

Software

Software
Software NamePurpose
CNSrefinement
XDSdata reduction
XSCALEdata scaling
CNSphasing