5SI9

Crystal Structure of human phosphodiesterase 10 in complex with 4-N-(2-hydroxyethyl)-2-methyl-3-N-(2-phenylimidazo[1,2-a]pyrimidin-7-yl)pyrazole-3,4-dicarboxamide

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
2.68	54.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 136.254	α = 90
b = 136.254	β = 90
c = 236.528	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		2009-06-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.999900	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	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	2.01	43.91	99.8	0.083	0.097	0.998	9.46	3.802		108830			42.865

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.01	2.06	100		1.072	1.255	0.449	1.29	3.73

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	2.01	43.91	99356	5216	95.9	0.1888	0.1871	0.2216	RANDOM	38.211

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]
-0.5	-0.25		-0.5		1.62

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.884
r_dihedral_angle_4_deg	17.777
r_dihedral_angle_3_deg	14.788
r_dihedral_angle_1_deg	5.388
r_mcangle_it	3.135
r_mcbond_it	2.186
r_mcbond_other	2.186
r_angle_refined_deg	1.359
r_angle_other_deg	1.282
r_chiral_restr	0.069

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.884
r_dihedral_angle_4_deg	17.777
r_dihedral_angle_3_deg	14.788
r_dihedral_angle_1_deg	5.388
r_mcangle_it	3.135
r_mcbond_it	2.186
r_mcbond_other	2.186
r_angle_refined_deg	1.359
r_angle_other_deg	1.282
r_chiral_restr	0.069
r_bond_refined_d	0.006
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10152
Nucleic Acid Atoms
Solvent Atoms	587
Heterogen Atoms	128

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	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.