1RAO

CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF E. COLI HPPK WITH AMP AND 6-HYDROXYMETHYLPTERIN-DIPHOSPHATE AT 1.56 ANGSTROM RESOLUTION


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1QON 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.2292PEG4000, ACETATE, GLYCEROL, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 292.0K
Crystal Properties
Matthews coefficientSolvent content
1.9233.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 79.689α = 90
b = 52.918β = 103.46
c = 36.56γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCHOSMIC MIRROR1999-11-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.54178

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
11.564099.40.06617.74073.5064210122101224.7
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)
1.561.6297.70.621.49163.32162038

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTfree R1QON1.564024200201466899294.70.12030.12740.1875RANDOM25.65
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
111546.5
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.071
s_non_zero_chiral_vol0.056
s_similar_adp_cmpnt0.056
s_zero_chiral_vol0.047
s_anti_bump_dis_restr0.046
s_angle_d0.03
s_from_restr_planes0.027
s_bond_d0.01
s_rigid_bond_adp_cmpnt0.003
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1295
Nucleic Acid Atoms
Solvent Atoms240
Heterogen Atoms60

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
SHELXL-97refinement