3Q0T

Crystal structure of human dpp-iv in complex withsa-(+)- methyl2-(3-(aminomethyl)-4-(2,4-dichlorophenyl)-2-methyl- 7-oxo-5h-pyrrolo[3,4-b]pyridin-6(7h)-yl)acetate


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3NOX 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5298CRYSTALS GROWN IN 2 UL EQUIVOLUME MIXTURE OF PROTEIN SOLUTION (0.1 M NACL, 20 MM TRIS-HCL BUFFER PH 7.8, 9.8 MG/ML PROTEIN) AND CRYSTALLIZATION SOLUTION (17% W/V PEG 3350, 15% W/V GLYCEROL, 200 MM MGCL2, 100 MM TRIS-HCL BUFFER PH 8.5). SUFFICIENT. 100 MM LIGAND STOCK SOLUTION (NEAT DMSO) ADDED TO ACHIEVE 1 MM LIGAND CONCENTRATION. SOAKED OVERNIGHT. HARVESTED DIRECTLY AND CRYO-STORED IN LN2. 2. temperature 298K, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
2.6753.94

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 65.686α = 90
b = 67.569β = 90
c = 420.978γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29ANSLSX29A

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
12.45096.10.06810.67.371882
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)
12.42.4975.90.4415.45576

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT3NOX2.40147.9521.4471776293596.040.20460.20230.260444.3494
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]
3.012313.2554-16.2677
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.052
f_angle_d1.114
f_chiral_restr0.075
f_bond_d0.008
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms11788
Nucleic Acid Atoms
Solvent Atoms431
Heterogen Atoms248

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHENIXrefinement
PDB_EXTRACTdata extraction