2DUH

crystal structure of a green fluorescent protein variant S65T/H148N at pH 9.5


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP9.529850mM Li2SO4, 100mM TRIS pH 9.5, 30% PEG 4000, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
1.8839.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 51.072α = 90
b = 62.524β = 90
c = 69.072γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152006-01-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.2.21ALS8.2.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.25094.56164561533
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.21.2493.3

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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 REPLACEMENT1.2106164561533323388.30.16750.16740.1520.209RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
42087
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.074
s_zero_chiral_vol0.061
s_similar_adp_cmpnt0.051
s_from_restr_planes0.0323
s_angle_d0.03
s_anti_bump_dis_restr0.014
s_bond_d0.012
s_rigid_bond_adp_cmpnt0.004
s_similar_dist
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1805
Nucleic Acid Atoms
Solvent Atoms296
Heterogen Atoms

Software

Software
Software NamePurpose
SHELXmodel building
SHELXL-97refinement
d*TREKdata reduction
d*TREKdata scaling
SHELXphasing