3GOM

Barium bound to the Holliday junction sequence d(TCGGCGCCGA)4


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7290BaCl2, MPD, NaCacodylate , pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
2.2445.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 65.2α = 90
b = 23.8β = 110.01
c = 37.41γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDOXFORD SAPPHIRE CCDmultigraded opticsMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SEALED TUBEOXFORD DIFFRACTION ENHANCE ULTRA1.5418

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
12.319.95693.220.0522.7251823511131.247
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)
12.32.3693.220.213.212.6461

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1NVY2.319.9562351235110193.220.2640.2640.260.349RANDOM31.247
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]
-2.25-0.973.16-1.57
RMS Deviations
KeyRefinement Restraint Deviation
r_angle_refined_deg1.822
r_xyhbond_nbd_refined0.325
r_nbtor_refined0.316
r_nbd_refined0.193
r_chiral_restr0.066
r_bond_refined_d0.008
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms404
Solvent Atoms36
Heterogen Atoms5

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
CrysalisProdata collection
CrysalisProdata reduction
CrysalisProdata scaling
MOLREPphasing