PHOTOSYNTHETIC REACTION CENTER MUTANT WITH Glu L212 replaced with Ala (CHAIN L, EL212W), Asp L213 replaced with ALA (Chain L, DL213A) AND LEU M215 REPLACED WITH ALA (CHAIN M, LM215A)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
otherWILD TYPE RHODOBACTER SPHAEROIDES COORDINATES (Unpublished data)

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.5291Well containing 9 mg mL-1 RC, 0.09 % v/v LDAO, 3.5 % w/v 1,2,3-heptanetriol, and 0.75 M potassium phosphate (pH 7.5) equilibrated against 1.5 M potassium phosphate
Crystal Properties
Matthews coefficientSolvent content
5.274.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 138.993α = 90
b = 138.993β = 90
c = 184.711γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4r2003-11-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX14.10.977SRSPX14.1

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
12.523.998.40.07165.170501
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)
12.52.5697.90.532.74.8

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-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTWILD TYPE RHODOBACTER SPHAEROIDES COORDINATES (Unpublished data)2.523.967435351598.760.169340.167690.17510.201180.2073RANDOM50.22
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]
0.130.060.13-0.42
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.189
r_dihedral_angle_4_deg18.51
r_dihedral_angle_3_deg15.553
r_dihedral_angle_1_deg6.358
r_long_range_B_other5.826
r_long_range_B_refined5.821
r_scangle_other4.022
r_mcangle_it2.979
r_mcangle_other2.979
r_scbond_it2.547
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.189
r_dihedral_angle_4_deg18.51
r_dihedral_angle_3_deg15.553
r_dihedral_angle_1_deg6.358
r_long_range_B_other5.826
r_long_range_B_refined5.821
r_scangle_other4.022
r_mcangle_it2.979
r_mcangle_other2.979
r_scbond_it2.547
r_scbond_other2.539
r_mcbond_it1.856
r_mcbond_other1.852
r_angle_refined_deg1.836
r_angle_other_deg1.088
r_chiral_restr0.203
r_bond_refined_d0.015
r_gen_planes_refined0.009
r_bond_other_d0.002
r_gen_planes_other0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6447
Nucleic Acid Atoms
Solvent Atoms270
Heterogen Atoms710

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing