3PSM

.98A crystal structure of a dimeric plant defensin SPE10


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.535% PEG 8000, pH 7.5, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
2.2244.65

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 32.714α = 90
b = 28.111β = 103.78
c = 54.853γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 130 mm2003-11-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBSRF BEAMLINE 3W1A0.98BSRF3W1A

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
10.9810099.30.02831.8318.2559495555755
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)
0.981.0196.60.4864.48

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation 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 DIFFRACTIONAB INITIO PHASINGFREE R0.98105271952719263594.30.1250.12480.11980.1637RANDOM
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
5657.62997.37
RMS Deviations
KeyRefinement Restraint Deviation
s_anti_bump_dis_restr0.115
s_non_zero_chiral_vol0.102
s_approx_iso_adps0.101
s_zero_chiral_vol0.098
s_similar_adp_cmpnt0.041
s_from_restr_planes0.032
s_angle_d0.03
s_bond_d0.015
s_rigid_bond_adp_cmpnt0.006
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms758
Nucleic Acid Atoms
Solvent Atoms183
Heterogen Atoms

Software

Software
Software NamePurpose
MAR345dtbdata collection
Shakemodel building
SHELXL-97refinement
HKL-2000data reduction
HKL-2000data scaling
Shakephasing