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A BINARY COMPLEX OF THE CATALYTIC SUBUNIT OF CAMP-DEPENDENT PROTEIN KINASE AND ADENOSINE FURTHER DEFINES CONFORMATIONAL FLEXIBILITY
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CTP PDB ENTRY 1CTP
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 277 THE RC.ADE BINARY COMPLEX CRYSTALS WERE GROWN AT 4 C BY THE HANGING-DROP VAPOR DIFFUSION METHOD. THE CRYSTALLIZATION DROPLET CONTAINED PROTEIN (0.5 MM), ADENOSINE (3 MM) AND 2-METHYL-2,4-PENTANEDIOL (MPD; 4%) IN 100 MM BICINE BUFFER AT PH 8.0. THE CRYSTALLIZATION WELL SOLUTION WAS MADE UP OF 15% MPD AND 100 MM AMMONIUM-SULFATE IN BICINE BUFFER (100 MM; PH 8.0). THE CRYSTALS GREW OVER THE COURSE OF 8-12 WEEKS TO A FINAL SIZE OF 0.2 X 0.3 X 0.5 MM3., vapor diffusion - hanging drop, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.6 51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.85 α = 90 b = 73.23 β = 90 c = 98.72 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 277 AREA DETECTOR XUONG-HAMLIN MULTIWIRE 1994-09-13 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH2R
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.6 30 86 0.094 8.5 2.5 10720 45
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.6 2.7 74 0.2 1 1.5
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1CTP 2.6 10 10720 10720 86 0.219 0.219 0.205 0.34
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 Key Refinement Restraint Deviation t_dihedral_angle_d 20.2 t_it 12.8 t_angle_deg 1.7 t_nbd 0.03 t_bond_d 0.02 t_gen_planes 0.02 t_trig_c_planes 0.01 t_incorr_chiral_ct t_pseud_angle
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2801 Nucleic Acid Atoms Solvent Atoms 12 Heterogen Atoms 19
Software Software Software Name Purpose X-PLOR model building TNT refinement X-PLOR refinement UCSD data reduction UCSD data scaling X-PLOR phasing