3G0C

Crystal structure of dipeptidyl peptidase IV in complex with a pyrimidinedione inhibitor 1

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3G0B	PDB entry 3G0B

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.8	277	22.5% PEG MME 200, 0.1M Bicine pH 7.8, VAPOR DIFFUSION, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.9	57.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 122.844	α = 90
b = 122.774	β = 114.68
c = 145.106	γ = 90

Symmetry
Space Group	P 1 21 1

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	ADSC QUANTUM 315r			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.3	1.0000	ALS	5.0.3

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	2.69	50	99.9	0.095	12.623	4		108584

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)
	2.69	2.75	100		0.608		3.8	7174

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 3G0B	2.69	50	108370	5412	99.15	0.198	0.195	0.248	RANDOM	48.26

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]
-3.41		-0.58	4.37		-1.45

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.599
r_dihedral_angle_4_deg	17.998
r_dihedral_angle_3_deg	16.767
r_dihedral_angle_1_deg	5.22
r_scangle_it	1.666
r_angle_refined_deg	1.258
r_scbond_it	0.996
r_mcangle_it	0.722
r_mcbond_it	0.404
r_nbtor_refined	0.313

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.599
r_dihedral_angle_4_deg	17.998
r_dihedral_angle_3_deg	16.767
r_dihedral_angle_1_deg	5.22
r_scangle_it	1.666
r_angle_refined_deg	1.258
r_scbond_it	0.996
r_mcangle_it	0.722
r_mcbond_it	0.404
r_nbtor_refined	0.313
r_nbd_refined	0.2
r_symmetry_vdw_refined	0.185
r_xyhbond_nbd_refined	0.133
r_symmetry_hbond_refined	0.132
r_chiral_restr	0.091
r_bond_refined_d	0.009
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	23743
Nucleic Acid Atoms
Solvent Atoms	774
Heterogen Atoms	416

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	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.