1JGR

Crystal Structure Analysis of the B-DNA Dodecamer CGCGAATTCGCG with Thallium Ions.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1FQNPDB ENTRY 1FQN

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.4295DNA, thallium acetate, magnesium acetate, MPD, spermine acetate, pH 6.4, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.2946.24

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 25.944α = 90
b = 40.744β = 90
c = 66.202γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDADSC QUANTUM 4graphite monochromator2000-05-26MSINGLE WAVELENGTH
21100IMAGE PLATERIGAKU RAXIS IV++OSMIC BLUE CONFOCAL2001-05-04
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X26C1.1000NSLSX26C
2ROTATING ANODERIGAKU RU3001.5418

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
11.1435930.08816.413.4217602176016.72
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)
1.21.28680.1441.43249

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)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 DIFFRACTIONR FREEPDB ENTRY 1FQN1.21022209971766721000.1730.1630.1690.222RANDOM19.5
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
s_angle_d0.03
s_non_zero_chiral_vol0.03
s_bond_d0.01
s_anti_bump_dis_restr0.004
s_zero_chiral_vol
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms486
Solvent Atoms134
Heterogen Atoms20

Software

Software
Software NamePurpose
SHELXL-97refinement
MOSFLMdata reduction
CCP4data scaling