5LSA

human catechol O-methyltransferase in complex with SAM and DNC at 1.50A

X-RAY DIFFRACTION

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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
2.12	42.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.021	α = 90
b = 61.311	β = 118.3
c = 44.773	γ = 90

Symmetry
Space Group	P 1 21 1

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		2009-03-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.999900	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.5	37.88	97.6	0.092	0.109	0.997	8.53	3.47		32181		-3	21.029

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.5	1.54	80.3		0.674	0.863	0.597	1.26

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	1.5	37.88	28358	1512	90.3	0.1694	0.1673	0.2096	RANDOM	12.995

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]
-0.47		0.88	-0.04		1.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.936
r_dihedral_angle_4_deg	19.715
r_dihedral_angle_3_deg	13.254
r_dihedral_angle_1_deg	5.564
r_scangle_it	4.263
r_scbond_it	2.683
r_mcangle_it	1.681
r_angle_refined_deg	1.653
r_angle_other_deg	0.99
r_mcbond_it	0.984
r_mcbond_other	0.307
r_chiral_restr	0.103
r_bond_refined_d	0.018
r_gen_planes_refined	0.009
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1670
Nucleic Acid Atoms
Solvent Atoms	250
Heterogen Atoms	43

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
PHASER	phasing