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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	CRYSTALS 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 coefficient	Solvent content
2.67	53.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.686	α = 90
b = 67.569	β = 90
c = 420.978	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						M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A		NSLS	X29A

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	2.4	50	96.1	0.068	10.6	7.3		71882

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	2.4	2.49	75.9		0.441		5.4	5576

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	3NOX	2.401	47.952	1.44	71776	2935	96.04	0.2046	0.2023	0.2604	44.3494

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]
3.0123			13.2554		-16.2677

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.052
f_angle_d	1.114
f_chiral_restr	0.075
f_bond_d	0.008
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11788
Nucleic Acid Atoms
Solvent Atoms	431
Heterogen Atoms	248

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.