2IWA

Unbound glutaminyl cyclotransferase from Carica papaya.


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.5CRYSTALS WERE OBTAINED BY THE SITTING-DROP VAPOUR DIFFUSION METHOD EMPLOYING CRYSCHEM-PLATES FROM EQUIVOLUMETRIC DROPS CONTAINING PROTEIN SOLUTION (46-52 MG/ML IN 10MM HEPES PH 7.0, 150MM NACL) AND 28-32% PEG4000, 0.2M MGCL2, 0.1M TRIS-HCL PH 8.5 AS PRECIPITATING SOLUTION.
Crystal Properties
Matthews coefficientSolvent content
2.5857

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 97.74α = 90
b = 97.74β = 90
c = 64.974γ = 120
Symmetry
Space GroupP 65

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCDMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-2ESRFID14-2

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
11.6391000.0518.27.3466841.5
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)
11.61.6999.90.385.47.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSIRASTHROUGHOUT1.639.04459437101000.1480.1480.15270.1680.1675RANDOM23.06
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]
0.510.260.51-0.77
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg30.87
r_dihedral_angle_4_deg16.869
r_dihedral_angle_3_deg12.238
r_dihedral_angle_1_deg6.492
r_scangle_it3.435
r_scbond_it2.349
r_angle_refined_deg1.533
r_mcangle_it1.396
r_mcbond_it1.006
r_nbtor_refined0.316
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2092
Nucleic Acid Atoms
Solvent Atoms309
Heterogen Atoms59

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
XPREPphasing
SHELXDphasing
SHELXEphasing