1HBY

Binding of Phosphate and Pyrophosphate ions at the active site of human angiogenin as revealed by X-ray Crystallography


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1625% PEG 6000, 0.1M MES, PH 6.0, 0.1M NACL
Crystal Properties
Matthews coefficientSolvent content
1.9737

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 86.206α = 90
b = 38.405β = 90
c = 33.568γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray287IMAGE PLATEMARRESEARCHMIRRORS1998-09-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX9.5SRSPX9.5

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
124092.90.079205.3745819.6
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)
122.0697.10.15211.22.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1B1I240744756693.10.1850.1850.23RANDOM24.7
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
x_dihedral_angle_d27.8
x_scangle_it7.02
x_mcangle_it4.67
x_scbond_it4.66
x_mcbond_it3
x_angle_deg1.4
x_improper_angle_d0.77
x_bond_d0.009
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d27.8
x_scangle_it7.02
x_mcangle_it4.67
x_scbond_it4.66
x_mcbond_it3
x_angle_deg1.4
x_improper_angle_d0.77
x_bond_d0.009
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms992
Nucleic Acid Atoms
Solvent Atoms46
Heterogen Atoms5

Software

Software
Software NamePurpose
X-PLORrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing