4BBX

Discovery of a potent, selective and orally active PDE10A inhibitor for the treatment of schizophrenia

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.9		18% W/V PEG3350, 0.1 M TRIS-HCL PH 8.9, 5 MM CALCIUM CHLORIDE

Crystal Properties
Matthews coefficient	Solvent content
2	40

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.288	α = 90
b = 81.283	β = 90
c = 158.622	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 IMAGE PLATE	MIRROR	2008-04-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007

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	2.5	47.07	96.5	0.08	7.2	2.9		22069		2

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	2.5	2.59	94.5		0.42	2.3	2.8

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.5	79.31	20916	1119	96.58	0.23704	0.23405	0.24	0.29344	0.3	RANDOM	47.504

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]
3.16			-2.36		-0.8

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.793
r_dihedral_angle_4_deg	17.729
r_dihedral_angle_3_deg	17.238
r_dihedral_angle_1_deg	5.735
r_angle_refined_deg	1.138
r_scangle_it	1.099
r_angle_other_deg	0.86
r_mcangle_it	0.756
r_scbond_it	0.716
r_mcbond_it	0.442
r_nbd_refined	0.228
r_symmetry_vdw_other	0.208
r_symmetry_vdw_refined	0.198
r_symmetry_hbond_refined	0.187
r_nbtor_refined	0.184
r_nbd_other	0.177
r_xyhbond_nbd_refined	0.168
r_metal_ion_refined	0.095
r_nbtor_other	0.086
r_chiral_restr	0.058
r_mcbond_other	0.057
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_xyhbond_nbd_other
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	53
Heterogen Atoms	56

Software

Software
Software Name	Purpose
REFMAC	refinement
CrystalClear	data reduction
CrystalClear	data scaling
MOLREP	phasing