5SHZ

Crystal Structure of human phosphodiesterase 10 in complex with 3-[2-(3-ethynylphenyl)pyrazol-3-yl]-1-phenylpyridazin-4-one

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	295	5-20 mg/mL protein in 25mM HEPES/NaOH pH7.5, 150mM NaCl, 50mM BME mixed 1:1 with reservoir 0.1M HEPES/NaOH pH7.5, 30% PEG550MME, 50mM MgCl2

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 135.456	α = 90
b = 135.456	β = 90
c = 234.872	γ = 120

Symmetry
Space Group	H 3

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	MARMOSAIC 225 mm CCD		2008-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.55	41.5	97.8	0.082	0.082	12.27	4.89		51274

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.55	2.65	83.1		0.493	0.493	1.27	1.65

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	inhouse model	2.55	41.53	47572	2466	95.47	0.184	0.181	0.2425	RANDOM	53.492

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]
-0.62	-0.31		-0.62		2.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.195
r_dihedral_angle_3_deg	18.324
r_dihedral_angle_4_deg	17.948
r_dihedral_angle_1_deg	6.678
r_mcangle_it	6.591
r_mcbond_it	4.719
r_mcbond_other	4.715
r_angle_refined_deg	1.728
r_angle_other_deg	1.333
r_chiral_restr	0.078

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.195
r_dihedral_angle_3_deg	18.324
r_dihedral_angle_4_deg	17.948
r_dihedral_angle_1_deg	6.678
r_mcangle_it	6.591
r_mcbond_it	4.719
r_mcbond_other	4.715
r_angle_refined_deg	1.728
r_angle_other_deg	1.333
r_chiral_restr	0.078
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10208
Nucleic Acid Atoms
Solvent Atoms	87
Heterogen Atoms	112

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
DENZO	data reduction
SADABS	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 R01GM133198.