1T9R

Catalytic Domain Of Human Phosphodiesterase 5A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	277	PEG 3000, sodium chloride, sodium phosphate-citrate, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.52	51.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.411	α = 90
b = 96.411	β = 90
c = 79.026	γ = 120

Symmetry
Space Group	P 62

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	93	CCD	ADSC QUANTUM 210		2002-12-07	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.0, 1.282927, 1.283302, 1.169662	ALS	8.3.1

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	2.1	84.51	99.35	0.047	8.2	10.9	23081	23081	-3	-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.24	99.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	MAD	THROUGHOUT	2.1	84.51	23081	23081	1227	99.35	0.20359	0.20164	0.24125	RANDOM	35.536

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]
-1.29	-0.65		-1.29		1.94

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.603
r_scangle_it	3.211
r_scbond_it	2.116
r_angle_refined_deg	1.421
r_mcangle_it	1.278
r_angle_other_deg	1.152
r_symmetry_vdw_refined	0.664
r_mcbond_it	0.656
r_symmetry_hbond_refined	0.551
r_symmetry_vdw_other	0.412
r_metal_ion_refined	0.295
r_nbd_other	0.229
r_nbd_refined	0.221
r_xyhbond_nbd_refined	0.155
r_nbtor_other	0.088
r_chiral_restr	0.082
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_gen_planes_other	0.004
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2444
Nucleic Acid Atoms
Solvent Atoms	90
Heterogen Atoms	19

Software

Software
Software Name	Purpose
REFMAC	refinement
Blu-Ice	data collection
ELVES	data scaling
CNX	phasing