1AN8

CRYSTAL STRUCTURE OF THE STREPTOCOCCAL SUPERANTIGEN SPE-C


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18PROTEIN WAS CRYSTALLIZED FROM 2.7 M AMMONIUM SULFATE IN 0.1 M TRIS/HCL BUFFER AT PH 8.0
Crystal Properties
Matthews coefficientSolvent content
4.9875.01

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 75.41α = 90
b = 75.41β = 90
c = 168.87γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293FILMFILM1996-04-19M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORYPhoton Factory

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
12.42091.60.1035.93.517866234.317
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.422.5787.40.3252.43.6

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 DIFFRACTIONMIR2.42017866166451221910.1740.1740.1710.21RANDOM
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]
RMS Deviations
KeyRefinement Restraint Deviation
t_dihedral_angle_d22.127
t_it2.668
t_angle_deg1.266
t_nbd0.033
t_gen_planes0.014
t_bond_d0.01
t_trig_c_planes0.009
t_incorr_chiral_ct
t_pseud_angle
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1702
Nucleic Acid Atoms
Solvent Atoms140
Heterogen Atoms

Software

Software
Software NamePurpose
CCP4model building
TNTrefinement
DENZOdata reduction
CCP4data scaling
CCP4phasing