1BX6

CRYSTAL STRUCTURE OF THE POTENT NATURAL PRODUCT INHIBITOR BALANOL IN COMPLEX WITH THE CATALYTIC SUBUNIT OF CAMP-DEPENDENT PROTEIN KINASE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1BKXPDB ENTRY 1BKX

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18pH 8.0
Crystal Properties
Matthews coefficientSolvent content
2.551

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.19α = 90
b = 73.18β = 90
c = 99.77γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray277AREA DETECTORXUONG-HAMLIN MULTIWIRE1995-06-23M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH2R

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.130840.0956.53.5200452
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.12.2650.211.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1BKX2.1201200451050840.210.2020.34
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
t_dihedral_angle_d20
t_it9
t_angle_deg2.1
t_nbd0.04
t_bond_d0.02
t_trig_c_planes0.02
t_gen_planes0.01
t_incorr_chiral_ct
t_pseud_angle
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2801
Nucleic Acid Atoms
Solvent Atoms305
Heterogen Atoms40

Software

Software
Software NamePurpose
X-PLORmodel building
TNTrefinement
X-PLORrefinement
UCSDdata reduction
UCSDdata scaling
X-PLORphasing