2DOI

The X-ray crystallographic structure of the angiogenesis inhibitor, angiostatin, bound to a peptide from the group A streptococcus protein PAM


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2DOHPDB ID 2DOH

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP29820% PEG 8000, 0.1M potassium phophate (dihydrate), 5% dioxane, soaked in 5mM Pt(C5H5N)2Cl2, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
3.1661.03

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.467α = 90
b = 58.467β = 90
c = 389.146γ = 120
Symmetry
Space GroupP 61

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayCCDMAR CCD 165 mm2003-07-15MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 5ID-B1.0719APS5ID-B

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
12.85085.10.08611.5158283
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)
12.82.922.20.507410

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ID 2DOH3.1201310767597.010.2060.2020.2020.296RANDOM35.457
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]
1.780.891.78-2.68
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.818
r_scangle_it32.957
r_scbond_it30.591
r_dihedral_angle_3_deg25.161
r_dihedral_angle_4_deg23.7
r_mcangle_it19.526
r_mcbond_it15.827
r_dihedral_angle_1_deg9.614
r_angle_refined_deg2.593
r_symmetry_hbond_refined0.457
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.818
r_scangle_it32.957
r_scbond_it30.591
r_dihedral_angle_3_deg25.161
r_dihedral_angle_4_deg23.7
r_mcangle_it19.526
r_mcbond_it15.827
r_dihedral_angle_1_deg9.614
r_angle_refined_deg2.593
r_symmetry_hbond_refined0.457
r_nbd_refined0.38
r_nbtor_refined0.372
r_symmetry_vdw_refined0.358
r_xyhbond_nbd_refined0.335
r_chiral_restr0.155
r_bond_refined_d0.023
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3064
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction