3L0F

High resolution structure of C-Phycocyanin from Thermosynechococcus elongatus


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1KTPPDB ENTRIES 1KTP and 1JBO
experimental modelPDB 1JBOPDB ENTRIES 1KTP and 1JBO

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.52918 % PEG 2000 , 0.05 M MES, 20 mM MgCl2, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 290-291K
Crystal Properties
Matthews coefficientSolvent content
2.8256.45

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 187.1α = 90
b = 187.1β = 90
c = 59.82γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315rDouble crystal, Si(111)2009-08-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.2.11.0ALS8.2.1

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
11.3542.7999.80.0770.07710.96.987205869932116.3
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)
11.351.4299.70.8492.25.912693

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 ENTRIES 1KTP and 1JBO1.3519.582594436799.750.135530.133430.17507RANDOM16.396
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]
-0.29-0.15-0.290.44
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.662
r_dihedral_angle_4_deg14.835
r_dihedral_angle_3_deg11.335
r_scangle_it7.746
r_scbond_it5.721
r_dihedral_angle_1_deg4.733
r_mcangle_it3.621
r_angle_refined_deg2.693
r_mcbond_it2.67
r_rigid_bond_restr2.456
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.662
r_dihedral_angle_4_deg14.835
r_dihedral_angle_3_deg11.335
r_scangle_it7.746
r_scbond_it5.721
r_dihedral_angle_1_deg4.733
r_mcangle_it3.621
r_angle_refined_deg2.693
r_mcbond_it2.67
r_rigid_bond_restr2.456
r_angle_other_deg1.58
r_mcbond_other1.414
r_chiral_restr0.133
r_gen_planes_other0.029
r_bond_refined_d0.027
r_gen_planes_refined0.02
r_bond_other_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2497
Nucleic Acid Atoms
Solvent Atoms573
Heterogen Atoms129

Software

Software
Software NamePurpose
ADSCdata collection
PHASERphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling