3V57

Crystal Structure of the B-phycoerythrin from the red algae Porphyridium Cruentum at pH8


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1counter-diffusion in capillary82983M ammonium sulphate, 0.1M Tris, pH 8, counter-diffusion in capillary, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.7455.11

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 187.11α = 90
b = 187.11β = 90
c = 59.23γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2011-01-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-40.97ESRFID14-4

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
11.793.55599.60.0720.07211.64.3847728477220.514
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)
11.71.791000.5530.5531.44.312451

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1LIA1.7208509484772424299.620.17870.17870.17680.2152RANDOM22.1274
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]
-0.22-0.11-0.220.33
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.582
r_dihedral_angle_4_deg14.26
r_dihedral_angle_3_deg12.779
r_dihedral_angle_1_deg5.782
r_angle_refined_deg2.51
r_chiral_restr0.13
r_bond_refined_d0.015
r_gen_planes_refined0.015
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5088
Nucleic Acid Atoms
Solvent Atoms549
Heterogen Atoms455

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
ADSCdata collection