1Q5O

HCN2J 443-645 in the presence of cAMP, selenomethionine derivative


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1Q43PDB ENTRY 1Q43

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.6277PEG 400, sodium citrate, sodium chloride, DTT, HEPES, cAMP, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.3246.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 95.429α = 90
b = 95.429β = 90
c = 50.06γ = 90
Symmetry
Space GroupP 4 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42002-06-02MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X4A0.96429NSLSX4A

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
12.120980.06923.628.51374913749-323.85
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.32.4499.5

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1Q432.32010487104875380.2160.261RANDOM
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]
0.440.44-0.87
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.6
c_scangle_it3.343
c_scbond_it2.396
c_mcangle_it1.9
c_mcbond_it1.23
c_angle_deg1.2
c_improper_angle_d0.75
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1599
Nucleic Acid Atoms
Solvent Atoms129
Heterogen Atoms22

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNSrefinement