5K9R

PDE10a with imidazopyrazine inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.9	293	Crystals of human C-His tagged 448-759 PDE10a were grown in 0.1 M Tris-HCl pH 8.9 with ~14% w/v PEG 3350 and 5 mM CaCl2

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.46	α = 90
b = 81.2	β = 90
c = 160.15	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	IMAGE PLATE	RIGAKU RAXIS IV		2008-07-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.7	40	99.5	9.4	3.1		18304

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		THROUGHOUT	2.7	40	17363	940	99.01	0.24075	0.23646	0.32212	RANDOM	37.883

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]
3.06			-3.57		0.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.186
r_dihedral_angle_3_deg	16.754
r_dihedral_angle_4_deg	13.012
r_dihedral_angle_1_deg	5.572
r_angle_refined_deg	1.128
r_scangle_it	1.043
r_angle_other_deg	0.849
r_scbond_it	0.681
r_mcangle_it	0.668
r_mcbond_it	0.387
r_nbd_refined	0.227
r_symmetry_vdw_refined	0.214
r_symmetry_vdw_other	0.196
r_nbtor_refined	0.187
r_xyhbond_nbd_refined	0.181
r_nbd_other	0.175
r_metal_ion_refined	0.135
r_symmetry_hbond_refined	0.086
r_nbtor_other	0.084
r_chiral_restr	0.056
r_mcbond_other	0.05
r_xyhbond_nbd_other	0.041
r_bond_refined_d	0.009
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5022
Nucleic Acid Atoms
Solvent Atoms	59
Heterogen Atoms	76

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling