4C1I

Selective Inhibitors of PDE2, PDE9, and PDE10: Modulators of Activity of the Central Nervous System

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1Z1L	PDB ENTRY 1Z1L

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.6		14% PEG 3350, 0.2 M MAGNESIUM CHLORIDE, 0.1 M TRIS HYDROCHLORIDE PH 8.6

Crystal Properties
Matthews coefficient	Solvent content
2	39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.05	α = 110.16
b = 81.81	β = 95.66
c = 93.34	γ = 93.21

Symmetry
Space Group	P 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	RIGAKU CCD	MIRRORS	2008-06-12	M	SINGLE WAVELENGTH

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

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	18.47	94.1	0.1	7.1	2		47638		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	2.4	2.48	91.5		0.31	2	1.9

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 1Z1L	2.4	18.47	45148	2434	93.99	0.22801	0.22489	0.2866	RANDOM	29.988

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]
3.42	-1.88	-0.59	-0.42	0.06	-2.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.641
r_dihedral_angle_4_deg	14.314
r_dihedral_angle_3_deg	14.294
r_dihedral_angle_1_deg	4.802
r_mcangle_it	1.437
r_angle_refined_deg	0.907
r_mcbond_it	0.82
r_mcbond_other	0.82
r_angle_other_deg	0.721
r_scbond_it	0.711
r_chiral_restr	0.05
r_bond_refined_d	0.005
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_it
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	10334
Nucleic Acid Atoms
Solvent Atoms	248
Heterogen Atoms	88

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing