2QOE

Human Dipeptidyl Peptidase IV in complex with a Triazolopiperazine-based beta amino acid Inhibitor

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	PEG4000, SODIUM ACETATE, TRIS, PH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3	58.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 118.126	α = 90
b = 125.296	β = 90
c = 136.832	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MAR CCD 165 mm		2005-08-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-BM	1.0	APS	17-BM

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.3	50	100	0.085	6.2	7.465	84368	90656

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.38	100		0.376	1.4	7.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	DIFFERENCE FOURIER	THROUGHOUT	2.3	30	90654	4540	100	0.172	0.17	0.212	RANDOM	29.078

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]
-1.39			0.35		1.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.318
r_dihedral_angle_4_deg	18.303
r_dihedral_angle_3_deg	13.311
r_dihedral_angle_1_deg	6.146
r_scangle_it	2.451
r_scbond_it	1.489
r_angle_refined_deg	1.317
r_mcangle_it	0.922
r_mcbond_it	0.476
r_nbtor_refined	0.306

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.318
r_dihedral_angle_4_deg	18.303
r_dihedral_angle_3_deg	13.311
r_dihedral_angle_1_deg	6.146
r_scangle_it	2.451
r_scbond_it	1.489
r_angle_refined_deg	1.317
r_mcangle_it	0.922
r_mcbond_it	0.476
r_nbtor_refined	0.306
r_symmetry_vdw_refined	0.253
r_nbd_refined	0.188
r_symmetry_metal_ion_refined	0.184
r_xyhbond_nbd_refined	0.125
r_symmetry_hbond_refined	0.115
r_chiral_restr	0.086
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11930
Nucleic Acid Atoms
Solvent Atoms	874
Heterogen Atoms	367

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
HKL-2000	data reduction
HKL-2000	data scaling
REFMAC	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.