1VFN

PURINE NUCLEOSIDE PHOSPHORYLASE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1ULBPDB ENTRY 1ULB

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1816%(W/V) PEG 4000, 0.04M TRIS-HCL BUFFER PH 8.2-8.5, 0.08M MGCL2, pH 8.0
Crystal Properties
Matthews coefficientSolvent content
2.2243

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 94.11α = 90
b = 94.11β = 90
c = 94.11γ = 90
Symmetry
Space GroupP 21 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray277IMAGE PLATEMARRESEARCH1996-03-21M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X31EMBL/DESY, HAMBURGX31

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
12.152098.40.07410.63.27151581
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)
12.12.297.60.2126

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 1ULB2.152011515898.40.18
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_d26.1
t_it3.858
t_angle_deg2.8
t_nbd0.026
t_bond_d0.02
t_gen_planes0.011
t_trig_c_planes0.005
t_incorr_chiral_ct
t_pseud_angle
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2102
Nucleic Acid Atoms
Solvent Atoms129
Heterogen Atoms12

Software

Software
Software NamePurpose
AMoREphasing
TNTrefinement
DENZOdata reduction
SCALEPACKdata scaling