1JBO

The 1.45A Three-Dimensional Structure of c-Phycocyanin from the Thermophylic Cyanobacterium Synechococcus elongatus


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1CPCPDB Entry 1CPC

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.1293Ammonium Sulphate, MES, pH 6.1, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.8857.36

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 187.995α = 90
b = 187.995β = 90
c = 60.542γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42000-07-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX14.11.244SRSPX14.1

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
11.4556.799.70.0885.76.87175716.34
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)
11.451.5399.70.2612.53.810410

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB Entry 1CPC1.4556.76753336170.1480.1460.188Random16.47
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]
-1.31-1.311.97-0.66
RMS Deviations
KeyRefinement Restraint Deviation
p_dihedral_angle_d4.632
p_angle_deg2.931
p_improper_angle_d0.161
p_bond_d0.039
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2498
Nucleic Acid Atoms
Solvent Atoms474
Heterogen Atoms129

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing
REFMACrefinement
CCP4data scaling