3DYS

human phosphodiestrase-5'GMP complex (EP), produced by soaking with 20mM cGMP+20 mM MnCl2+20 mM MgCl2 for 2 hours, and flash-cooled to liquid nitrogen temperature when substrate was still abudant.

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
4.69	73.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.992	α = 90
b = 103.992	β = 90
c = 269.762	γ = 90

Symmetry
Space Group	P 41 21 2

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	ADSC QUANTUM 210		2006-06-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.0	APS	17-ID

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	2.3	50	99.4	0.077	18.9	4		66436		2	42.7

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	2.3	50	59549	6712	99.48	0.18846	0.18571	0.21224	RANDOM	33.706

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]
1.75			1.75		-3.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.345
r_dihedral_angle_4_deg	19.481
r_dihedral_angle_3_deg	15.001
r_dihedral_angle_1_deg	5.378
r_scangle_it	2.473
r_scbond_it	1.711
r_angle_refined_deg	1.237
r_angle_other_deg	0.92
r_mcangle_it	0.917
r_mcbond_it	0.843
r_symmetry_vdw_other	0.288
r_symmetry_vdw_refined	0.254
r_nbd_refined	0.218
r_nbd_other	0.185
r_nbtor_refined	0.18
r_xyhbond_nbd_refined	0.169
r_mcbond_other	0.132
r_symmetry_hbond_refined	0.119
r_nbtor_other	0.087
r_chiral_restr	0.072
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5384
Nucleic Acid Atoms
Solvent Atoms	463
Heterogen Atoms	49

Software

Software
Software Name	Purpose
REFMAC	refinement