3HQE | pdb_00003hqe

Crystal Structure of the decamer CGGGCGCCCG forming a Holliday junction


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1P4YPDB ID 1P4Y

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7293Drop contains 1mM DNA, 50mM buffer, 100mM MgCl2, 1mM spermine, 50% MPD in reservior , pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.2144.38

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 65.004α = 90
b = 22.813β = 116.75
c = 40.708γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCHmirrors2008-03-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.92097.90.1180.1092.93.5112711239164
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.9396.50.45790.416213.54109

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-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ID 1P4Y2.9419.81112910735693.150.22510.21660.215170.210.239460.23RANDOM51.104
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]
1.150.71-0.970.46
RMS Deviations
KeyRefinement Restraint Deviation
r_scbond_it5.115
r_scangle_it4.326
r_angle_refined_deg3.158
r_nbtor_refined0.35
r_nbd_refined0.274
r_symmetry_hbond_refined0.26
r_symmetry_vdw_refined0.187
r_xyhbond_nbd_refined0.151
r_chiral_restr0.112
r_bond_refined_d0.019
RMS Deviations
KeyRefinement Restraint Deviation
r_scbond_it5.115
r_scangle_it4.326
r_angle_refined_deg3.158
r_nbtor_refined0.35
r_nbd_refined0.274
r_symmetry_hbond_refined0.26
r_symmetry_vdw_refined0.187
r_xyhbond_nbd_refined0.151
r_chiral_restr0.112
r_bond_refined_d0.019
r_gen_planes_refined0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms404
Solvent Atoms10
Heterogen Atoms

Software

Software
Software NamePurpose
MAR345dtbdata collection
AMoREphasing
REFMACrefinement
AUTOMARdata reduction
SCALEPACKdata scaling