9V4V | pdb_00009v4v

Crystal structure of Guanine-II riboswitch in complex with isoxanthopterin


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 9LJN 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2890.08 M sodium chloride, 0.04 M sodium cacodylate trihydrate (pH 7.0), 30% v/v (+/-)-2-methyl-2,4-pentanediol, and 0.012 M spermine tetrahydrochloride
Crystal Properties
Matthews coefficientSolvent content
2.5451.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 37.967α = 90
b = 48.962β = 90
c = 120.526γ = 90
Symmetry
Space GroupP 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2024-04-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL19U11.10213SSRFBL19U1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)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
13.1260.2694.30.9777.210.94140
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.123.290.981

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3.1260.261.34404340492.220.24730.24220.24240.29630.2972
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
f_dihedral_angle_d20.391
f_angle_d0.727
f_chiral_restr0.037
f_plane_restr0.004
f_bond_d0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms1520
Solvent Atoms18
Heterogen Atoms14

Software

Software
Software NamePurpose
PHENIXrefinement
Aimlessdata scaling
PDB_EXTRACTdata extraction
autoPROCdata reduction
PHASERphasing