3HVI

Rat catechol O-methyltransferase in complex with a catechol-type, N6-ethyladenine-containing bisubstrate inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	298	25% PEG 8000, 0.1M BT pH 5.5, 0.1M ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.857	α = 90
b = 54.706	β = 90
c = 80.617	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	100	CCD	MARMOSAIC 225 mm CCD		2009-04-18	M	SINGLE WAVELENGTH

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.2	33.5	98	0.06	14.2	6.9		68810			9.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.2	1.3	94.4		0.58	0.9	6	14343

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.2	32.45	62693	3331	94.14	0.13216	0.13064	0.1614	RANDOM	10.449

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]
-0.7			0.74		-0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.352
r_dihedral_angle_4_deg	22.095
r_dihedral_angle_3_deg	10.59
r_sphericity_free	10.145
r_dihedral_angle_1_deg	5.386
r_scangle_it	4.94
r_sphericity_bonded	4.43
r_scbond_it	3.549
r_mcangle_it	2.568
r_angle_refined_deg	1.926
r_mcbond_it	1.804
r_rigid_bond_restr	1.642
r_angle_other_deg	1.039
r_mcbond_other	0.873
r_chiral_restr	0.152
r_bond_refined_d	0.017
r_gen_planes_refined	0.011
r_gen_planes_other	0.003
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1679
Nucleic Acid Atoms
Solvent Atoms	325
Heterogen Atoms	51

Software

Software
Software Name	Purpose
COMO	phasing
REFMAC	refinement
XDS	data reduction
SADABS	data scaling