4B1T

Structure of the factor Xa-like trypsin variant triple-Ala (TA) in complex with eglin C


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
128318% (W/V) PEG 10,000, 20% (V/V) GLYCEROL, 100 MM TRIS-HCL PH 8.5 AND 100 MM NACL AT 283 K
Crystal Properties
Matthews coefficientSolvent content
2.2143.86

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 78.33α = 90
b = 36.88β = 103.27
c = 103.97γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDMIRRORS2009-03-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X12EMBL/DESY, HAMBURGX12

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
11.785098.80.0714.94.155837-3
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)
11.781.8997.90.722

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 ENTRIES 4B2A1.783054546113698.990.184530.183820.21906RANDOM27.289
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]
-0.280.390.230.23
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.361
r_dihedral_angle_4_deg20.617
r_dihedral_angle_3_deg13.606
r_dihedral_angle_1_deg7.02
r_angle_refined_deg1.879
r_chiral_restr0.201
r_bond_refined_d0.018
r_gen_planes_refined0.01
r_bond_other_d
r_angle_other_deg
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.361
r_dihedral_angle_4_deg20.617
r_dihedral_angle_3_deg13.606
r_dihedral_angle_1_deg7.02
r_angle_refined_deg1.879
r_chiral_restr0.201
r_bond_refined_d0.018
r_gen_planes_refined0.01
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 Atoms4382
Nucleic Acid Atoms
Solvent Atoms250
Heterogen Atoms66

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing