3LC9

Ricin A-chain variant 1-33/44-198 with engineered disulfide bond


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.4290Protein buffer: 50mM MES pH 6.4, 200mM NaCl Crystallization Solution: 0.17M Ammonium Sulfate, 25.5% w/v PEG 4000, 15% v/v Glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
2.0539.92

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 51.493α = 90
b = 72.307β = 90
c = 94.208γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDBRUKER SMART 60002009-08-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR1.54

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
12.2857.361000.09819.0516.018335833333
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.282.381005.5211.85979

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUTPDB entry 3BJG2.2857.36793838599.890.215110.213590.2455RANDOM18.408
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]
-0.51-0.61.12
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.943
r_dihedral_angle_4_deg23.046
r_dihedral_angle_3_deg17.311
r_dihedral_angle_1_deg4.773
r_scangle_it2.705
r_scbond_it1.577
r_mcangle_it1.162
r_angle_refined_deg1.121
r_mcbond_it0.607
r_nbtor_refined0.309
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.943
r_dihedral_angle_4_deg23.046
r_dihedral_angle_3_deg17.311
r_dihedral_angle_1_deg4.773
r_scangle_it2.705
r_scbond_it1.577
r_mcangle_it1.162
r_angle_refined_deg1.121
r_mcbond_it0.607
r_nbtor_refined0.309
r_symmetry_vdw_refined0.29
r_nbd_refined0.22
r_symmetry_hbond_refined0.146
r_xyhbond_nbd_refined0.144
r_chiral_restr0.082
r_bond_refined_d0.01
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1361
Nucleic Acid Atoms
Solvent Atoms85
Heterogen Atoms5

Software

Software
Software NamePurpose
PROTEUM PLUSdata collection
AMoREphasing
REFMACrefinement
SAINTdata reduction
SADABSdata scaling