4YW9

Structure of rat cytosolic pepck in complex with 3-mercaptopicolinic acid and GTP


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2QEWPDB ENTRY 2QEW

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.429825% PEG 3350, 0.1M HEPES PH 7.4,2 MM MNCL2, 10MM GTP, 1MM 3-MERCAPTOPICOLINIC ACID, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K
Crystal Properties
Matthews coefficientSolvent content
2.1442.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 44.407α = 90
b = 118.742β = 110.02
c = 60.248γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315FLAT MIRROR (VERTICAL FOCUSING)2009-04-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-10.9SSRLBL7-1

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
11.410094.40.05813.57.2110377
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.41.4576.20.4175.7

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 2QEW1.429.16104796555093.40.170.1680.197RANDOM20.04
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]
-0.01-0.010.010.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.084
r_dihedral_angle_4_deg16.283
r_dihedral_angle_3_deg13.305
r_dihedral_angle_1_deg6.26
r_angle_refined_deg1.787
r_angle_other_deg0.839
r_chiral_restr0.101
r_bond_refined_d0.014
r_gen_planes_refined0.01
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.084
r_dihedral_angle_4_deg16.283
r_dihedral_angle_3_deg13.305
r_dihedral_angle_1_deg6.26
r_angle_refined_deg1.787
r_angle_other_deg0.839
r_chiral_restr0.101
r_bond_refined_d0.014
r_gen_planes_refined0.01
r_bond_other_d0.001
r_gen_planes_other0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4818
Nucleic Acid Atoms
Solvent Atoms684
Heterogen Atoms55

Software

Software
Software NamePurpose
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing
REFMACrefinement