1XN0

Catalytic Domain Of Human Phosphodiesterase 4B In Complex With (R,S)-Rolipram

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	10	277	ammonium sulfate and lithium sulfate , pH 10.0, VAPOR DIFFUSION, SITTING DROP, temperature 277.0K

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.926	α = 90
b = 94.996	β = 90
c = 106.833	γ = 90

Symmetry
Space Group	P 21 21 21

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		2003-07-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.1	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	2.31	70.71	98.6	0.091	5	3.8	38227	38227

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.31	2.37	100		0.345	3	3.7

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.31	70.71	38227	38227	2013	98.64	0.20757	0.2053	0.2497	RANDOM	19.927

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]
-2.05			-1.5		3.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	3.288
r_scangle_it	3.171
r_scbond_it	1.998
r_angle_refined_deg	1.587
r_mcangle_it	1.174
r_angle_other_deg	1.093
r_mcbond_it	0.629
r_symmetry_vdw_other	0.321
r_nbd_other	0.224
r_nbd_refined	0.22
r_symmetry_hbond_refined	0.215
r_metal_ion_refined	0.182
r_xyhbond_nbd_refined	0.158
r_symmetry_vdw_refined	0.156
r_nbtor_other	0.109
r_chiral_restr	0.1
r_bond_refined_d	0.018
r_gen_planes_refined	0.011
r_gen_planes_other	0.006
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	5250
Nucleic Acid Atoms
Solvent Atoms	209
Heterogen Atoms	84

Software

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