5PA3

humanized COMT in complex with 8-hydroxy-6-[2-(methoxymethyl)phenyl]-3H-quinazolin-4-one

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		inhouse model

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9	295	AMMONIUM SULPHATE, CHES, PH 9

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.577	α = 90
b = 53.503	β = 90
c = 80.997	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	PIXEL	DECTRIS PILATUS 6M		2011-07-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.999800	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.6	44.64	99.5	0.154	0.154	0.172	0.997	7.74	6.44		29029		-3	24.597

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.7	99.6		0.782	0.782	0.042	0.999	1.25	6.55

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	1.6	44.64	26240	1342	94.72	0.1721	0.1704	0.2077	RANDOM	17.332

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]
0.24			0.8		-1.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.748
r_dihedral_angle_4_deg	23.104
r_dihedral_angle_3_deg	12.547
r_dihedral_angle_1_deg	5.454
r_angle_refined_deg	1.725
r_angle_other_deg	0.983
r_chiral_restr	0.103
r_bond_refined_d	0.016
r_gen_planes_refined	0.009
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.748
r_dihedral_angle_4_deg	23.104
r_dihedral_angle_3_deg	12.547
r_dihedral_angle_1_deg	5.454
r_angle_refined_deg	1.725
r_angle_other_deg	0.983
r_chiral_restr	0.103
r_bond_refined_d	0.016
r_gen_planes_refined	0.009
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1673
Nucleic Acid Atoms
Solvent Atoms	219
Heterogen Atoms	59

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
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 R01GM157729.