1QO0

Amide receptor of the amidase operon of Pseudomonas aeruginosa (AmiC) complexed with the negative regulator AmiR.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1PEAPDB ENTRY 1PEA

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICROBATCH5.6CRYSTALLISATION WAS BY MICRO-BATCH AND STREAK SEEDING. WELLS CONTAINED 8-8.5% PEG4000, 20%(V/V) 2-PROPANOL, 50MM SODIUM CITRATE BUFFERED AT PH 5.6 AND AMIC-AMIR COMPLEX AT 5MG/ML (FINAL CONCENTRATION).
Crystal Properties
Matthews coefficientSolvent content
2.9658

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 308.44α = 90
b = 67.15β = 103.33
c = 76.41γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCH1998-07-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX7.2SRSPX7.2

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
12.2533.683.80.0526.82.76709923.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.252.3669.30.17731.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1PEA2.2520621853055830.1860.256RANDOM9.48
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
KeyRefinement Restraint Deviation
p_transverse_tor28.2
p_staggered_tor18.8
p_planar_tor6.8
p_scangle_it4.298
p_scbond_it3
p_mcangle_it2.051
p_mcbond_it1.305
p_multtor_nbd0.255
p_singtor_nbd0.185
p_xyhbond_nbd0.155
RMS Deviations
KeyRefinement Restraint Deviation
p_transverse_tor28.2
p_staggered_tor18.8
p_planar_tor6.8
p_scangle_it4.298
p_scbond_it3
p_mcangle_it2.051
p_mcbond_it1.305
p_multtor_nbd0.255
p_singtor_nbd0.185
p_xyhbond_nbd0.155
p_chiral_restr0.122
p_planar_d0.06
p_angle_d0.034
p_plane_restr0.022
p_bond_d0.01
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8798
Nucleic Acid Atoms
Solvent Atoms851
Heterogen Atoms12

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing