3PJ5

Crystal structure of far-red fluorescent protein Katushka crystallized at pH 5.0


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP52931.5 M ammonium sulfate, pH 5.0, 25% v/v glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.3663.38

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 104.364α = 90
b = 104.364β = 90
c = 217.984γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCDmirrorsMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.0APS22-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
11.6301000.10610.57.392719
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)
11.61.661000.7197.29116

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTTHROUGHOUT1.63090289185097.480.18790.18710.2259RANDOM25.2911
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]
0.020.010.02-0.03
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.105
r_dihedral_angle_4_deg19.823
r_dihedral_angle_3_deg14.146
r_dihedral_angle_1_deg6.814
r_scangle_it3.174
r_scbond_it2.123
r_mcangle_it1.512
r_angle_refined_deg1.443
r_mcbond_it0.975
r_nbtor_refined0.305
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.105
r_dihedral_angle_4_deg19.823
r_dihedral_angle_3_deg14.146
r_dihedral_angle_1_deg6.814
r_scangle_it3.174
r_scbond_it2.123
r_mcangle_it1.512
r_angle_refined_deg1.443
r_mcbond_it0.975
r_nbtor_refined0.305
r_symmetry_vdw_refined0.249
r_nbd_refined0.245
r_xyhbond_nbd_refined0.139
r_chiral_restr0.096
r_symmetry_hbond_refined0.095
r_bond_refined_d0.011
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3576
Nucleic Acid Atoms
Solvent Atoms287
Heterogen Atoms15

Software

Software
Software NamePurpose
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
SERGUIdata collection
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing