5SGN

Crystal Structure of human phosphodiesterase 10 in complex with 2,3-dimethyl-6-[2-(2-methyl-5-pyrrolidin-1-yl-1,2,4-triazol-3-yl)ethyl]-7-(trifluoromethyl)imidazo[1,2-b]pyridazine

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	53.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 135.42	α = 90
b = 135.42	β = 90
c = 235.183	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	PIXEL	PSI PILATUS 6M		2012-09-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	1.000040	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	2.07	43.56	100	0.078	0.087	0.999	14.94	5.179		97978			45.242

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	2.07	2.12	99.9		1.438	1.611	0.427	1.21	4.939

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	2.07	43.56	89750	4696	96.35	0.1745	0.1721	0.2221	RANDOM	40.469

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]
-0.48	-0.24		-0.48		1.57

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.908
r_dihedral_angle_4_deg	20.107
r_dihedral_angle_3_deg	16.766
r_dihedral_angle_1_deg	6.292
r_mcangle_it	5.219
r_mcbond_it	4.27
r_mcbond_other	4.266
r_angle_refined_deg	2.017
r_angle_other_deg	1.523
r_chiral_restr	0.108

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.908
r_dihedral_angle_4_deg	20.107
r_dihedral_angle_3_deg	16.766
r_dihedral_angle_1_deg	6.292
r_mcangle_it	5.219
r_mcbond_it	4.27
r_mcbond_other	4.266
r_angle_refined_deg	2.017
r_angle_other_deg	1.523
r_chiral_restr	0.108
r_bond_refined_d	0.016
r_gen_planes_refined	0.012
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10171
Nucleic Acid Atoms
Solvent Atoms	443
Heterogen Atoms	120

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.