1TJ1

Crystal structure of E. coli PutA proline dehydrogenase domain (residues 86-669) complexed with L-lactate


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1K87PDB ENTRY 1k87

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.729513-15% PEG 3000, 60-190mM citrate buffer, pH 5.7, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.958

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 72.814α = 90
b = 141.124β = 90
c = 146.015γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray173CCDCUSTOM-MADEAPS 19ID2003-11-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.97856APS19-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
1299980.0760.076235.9511615005940
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)
122.07910.4690.4692.14.44618

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-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1k87240.4950055475622493980.2160.21610.21410.25522RANDOM29.148
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]
0.453.66-4.11
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.533
r_scangle_it3.466
r_scbond_it2.174
r_angle_refined_deg1.403
r_mcangle_it1.372
r_angle_other_deg0.838
r_mcbond_it0.732
r_symmetry_vdw_other0.287
r_nbd_other0.236
r_nbd_refined0.202
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.533
r_scangle_it3.466
r_scbond_it2.174
r_angle_refined_deg1.403
r_mcangle_it1.372
r_angle_other_deg0.838
r_mcbond_it0.732
r_symmetry_vdw_other0.287
r_nbd_other0.236
r_nbd_refined0.202
r_symmetry_vdw_refined0.199
r_xyhbond_nbd_refined0.163
r_symmetry_hbond_refined0.105
r_nbtor_other0.084
r_chiral_restr0.08
r_bond_refined_d0.014
r_gen_planes_refined0.006
r_gen_planes_other0.003
r_bond_other_d0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3474
Nucleic Acid Atoms
Solvent Atoms194
Heterogen Atoms59

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
SCALEPACKdata scaling
CNSphasing