3HAB

The structure of DPP4 in complex with piperidine fused benzimidazole 25

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	PEG 4000, SODIUM ACETATE, TRIS, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3	59.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 117.908	α = 90
b = 125.645	β = 90
c = 136.941	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	ADSC QUANTUM 210		2004-12-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.00	APS	17-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.1	50	99.9	0.081	7.3	6.8	119074	118954		-3	26.8

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	2.1	2.18	100		0.395	1.8	7.2	11750

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	FOURIER SYNTHESIS	THROUGHOUT	PDB entry 1X70	2.1	30	112845	5950	99.94	0.17099	0.16889	0.21066	RANDOM	26.908

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]
-1.36			0.62		0.74

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.755
r_dihedral_angle_4_deg	19.297
r_dihedral_angle_3_deg	12.985
r_dihedral_angle_1_deg	6.175
r_scangle_it	2.751
r_scbond_it	1.709
r_angle_refined_deg	1.297
r_mcangle_it	1.038
r_mcbond_it	0.553
r_nbtor_refined	0.309
r_symmetry_vdw_refined	0.234
r_nbd_refined	0.193
r_symmetry_metal_ion_refined	0.185
r_symmetry_hbond_refined	0.141
r_xyhbond_nbd_refined	0.132
r_chiral_restr	0.089
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_metal_ion_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11930
Nucleic Acid Atoms
Solvent Atoms	1244
Heterogen Atoms	363

Software

Software
Software Name	Purpose
StructureStudio	data collection
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
REFMAC	phasing