4GIG

crystal structure of T69A mutant of trapped Dnae intein precursor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3NZM 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP729852% ammonium sulfate, 100 mM HEPES, 2% isopropanol , pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.4148.91

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.63α = 90
b = 93.63β = 90
c = 41.24γ = 90
Symmetry
Space GroupI 4

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++Osmics mirrors2012-05-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-0071.5418

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
11.829.6199.30.03413.62.56167811666127.8
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)
11.81.8698.20.3422.52.37

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3NZM1.829.381666116636167999.20.2260.2260.268RANDOM37.7
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]
2.732.73-5.46
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24
c_scangle_it3.1
c_mcangle_it2.33
c_scbond_it2.04
c_mcbond_it1.47
c_angle_deg1.2
c_improper_angle_d0.74
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1274
Nucleic Acid Atoms
Solvent Atoms112
Heterogen Atoms5

Software

Software
Software NamePurpose
CrystalCleardata collection
PHASERphasing
CNSrefinement
CrystalCleardata reduction
CrystalCleardata scaling