3MAA

Complex of GS-Alpha with the Catalytic Domains of Mammalian Adenylyl Cyclase: Complex with Adenosine 5-O-(l-Thiophosphate) and Low Ca Concentration


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1AZSPDB entry 1AZS

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION5.62897.5-7.8% PEG8000, 0.5M NACL, 0.1M PHOSPHATE BUFFER, pH 5.6, VAPOR DIFFUSION, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.9758.53

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 118.744α = 90
b = 133.722β = 90
c = 70.992γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315VERTICAL FOCUSING MIRROR, SINGLE CRYSTAL Si(311) BENT MONOCHROMATOR2008-07-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-11.0231SSRLBL9-1

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
132582.70.1755.12.82003431.84
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
133.0772.950.03050.4143.32.11606

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1AZS3251829096482.740.242280.238760.30888RANDOM31.84
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]
-1.44-3.755.19
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.305
r_dihedral_angle_3_deg21.693
r_dihedral_angle_4_deg13.714
r_dihedral_angle_1_deg6.979
r_angle_refined_deg1.453
r_metal_ion_refined0.335
r_nbtor_refined0.324
r_nbd_refined0.265
r_symmetry_hbond_refined0.223
r_symmetry_vdw_refined0.221
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.305
r_dihedral_angle_3_deg21.693
r_dihedral_angle_4_deg13.714
r_dihedral_angle_1_deg6.979
r_angle_refined_deg1.453
r_metal_ion_refined0.335
r_nbtor_refined0.324
r_nbd_refined0.265
r_symmetry_hbond_refined0.223
r_symmetry_vdw_refined0.221
r_xyhbond_nbd_refined0.189
r_chiral_restr0.097
r_bond_refined_d0.012
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5627
Nucleic Acid Atoms
Solvent Atoms12
Heterogen Atoms105

Software

Software
Software NamePurpose
Web-Icedata collection
PHASESphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling