2CGP

CATABOLITE GENE ACTIVATOR PROTEIN/DNA COMPLEX, ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1CGPPDB ENTRY 1CGP

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16COMPLEX WAS CRYSTALLIZED AT PH 6.0 FROM 4-6% PEG, 20% ETHYLENE GLYCOL, 0.2 M NACL, 25 MM MGCL2 AND 2 MM AMP.
Crystal Properties
Matthews coefficientSolvent content
3.660

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 79.19α = 90
b = 79.19β = 90
c = 140.4γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray115CCD1996-02-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE F1CHESSF1

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
12.24086.26.314228052.3
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)
2.22.2841.12.6

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 1CGP2.28220270201278.30.2370.29631.3
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]
0.09-1.360.09-0.18
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d23.6
x_mcangle_it2.23
x_scangle_it1.77
x_angle_deg1.3
x_mcbond_it1.29
x_improper_angle_d1.13
x_scbond_it1.13
x_bond_d0.008
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d23.6
x_mcangle_it2.23
x_scangle_it1.77
x_angle_deg1.3
x_mcbond_it1.29
x_improper_angle_d1.13
x_scbond_it1.13
x_bond_d0.008
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1580
Nucleic Acid Atoms530
Solvent Atoms149
Heterogen Atoms44

Software

Software
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing