4CA5

Human Angiotensin converting enzyme in complex with a phosphinic tripeptide FI


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2XY9PDB ENTRY 2XY9

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
140.1M MIB PH4.0, 10UM ZINC SULPHATE, 5% GLYCEROL, 15% PEG3350
Crystal Properties
Matthews coefficientSolvent content
2.448

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.43α = 90
b = 84.98β = 90
c = 133.9γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2013-04-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I02DiamondI02

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
11.8571.7594.90.099.9452682
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)
11.851.9594.40.422.42.7

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 2XY91.8571.7549962266894.340.182220.180570.21344RANDOM18.484
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]
-0.490.010.47
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.948
r_dihedral_angle_4_deg20.059
r_dihedral_angle_3_deg13.83
r_dihedral_angle_1_deg5.284
r_angle_refined_deg1.216
r_chiral_restr0.086
r_bond_refined_d0.008
r_gen_planes_refined0.006
r_bond_other_d
r_angle_other_deg
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.948
r_dihedral_angle_4_deg20.059
r_dihedral_angle_3_deg13.83
r_dihedral_angle_1_deg5.284
r_angle_refined_deg1.216
r_chiral_restr0.086
r_bond_refined_d0.008
r_gen_planes_refined0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4778
Nucleic Acid Atoms
Solvent Atoms379
Heterogen Atoms125

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing