1A69

PURINE NUCLEOSIDE PHOSPHORYLASE IN COMPLEX WITH FORMYCIN B AND SULPHATE (PHOSPHATE)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.328-35% AMMONIUM SULPHATE, 50 MM CITRATE BUFFER, PH 5.2-5.4, pH 5.3
Crystal Properties
Matthews coefficientSolvent content
3.6770

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 123.11α = 90
b = 123.11β = 90
c = 241.22γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray281IMAGE PLATEMARRESEARCH1995-06-22M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX9.6SRSPX9.6

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
12.12098.30.1377.99.2668538122.8
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)
12.12.2980.297

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1ECP2.1207258598.30.196
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
t_dihedral_angle_d24.5
t_angle_deg1.301
t_bond_d0.005
t_gen_planes0.002
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_it
t_nbd
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5298
Nucleic Acid Atoms
Solvent Atoms376
Heterogen Atoms72

Software

Software
Software NamePurpose
AMoREphasing
TNTrefinement
DENZOdata reduction
SCALEPACKdata scaling