1N9Y

Streptavidin Mutant S27A at 1.5A Resolution


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP4.5293MPD, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
1.942.66

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.18α = 90
b = 83.2β = 98.7
c = 47.58γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray120IMAGE PLATERIGAKU RAXIS IImirrors1998-05-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.5418

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
11.535063.40.0354538945389

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 DIFFRACTIONisomorphousFREE RPDB Entry 1SWA1.53104518145181451867.50.15680.15680.14490.2433RANDOM
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
1533343991
RMS Deviations
KeyRefinement Restraint Deviation
s_zero_chiral_vol0.109
s_non_zero_chiral_vol0.105
s_approx_iso_adps0.073
s_from_restr_planes0.0307
s_angle_d0.03
s_similar_adp_cmpnt0.022
s_anti_bump_dis_restr0.017
s_bond_d0.008
s_rigid_bond_adp_cmpnt0.002
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3631
Nucleic Acid Atoms
Solvent Atoms419
Heterogen Atoms40

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHELXL-97refinement