2AN3

Structure of PNMT with S-adenosyl-L-homocysteine and the semi-rigid analogue acceptor substrate cis-(1R,2S)-2-amino-1-tetralol.

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1HNN	PDB entry 1HNN

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.8	293	PEG 6000, LiCl, cacodylate, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.1	60.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.78	α = 90
b = 93.78	β = 90
c = 187.12	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV	Osmic mirrors (Maxscreen)	2004-08-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E	1.5418

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	2.2	66.31	99.2	0.079	12.8	6.67	43227	42859

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	2.2	2.28	99.4	99.4	0.464	3.7	6.28	4230

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB entry 1HNN	2.2	66.31	43227	42856	4317	99.1	0.217	0.256	RANDOM	44.365

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]
-6.461			-6.461		12.923

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.4
c_scangle_it	2.77
c_mcangle_it	2.02
c_scbond_it	1.97
c_angle_deg	1.3
c_mcbond_it	1.26
c_improper_angle_d	0.93
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4111
Nucleic Acid Atoms
Solvent Atoms	253
Heterogen Atoms	76

Software

Software
Software Name	Purpose
d*TREK	data processing
CNS	refinement
PDB_EXTRACT	data extraction
CrystalClear	data reduction
d*TREK	data scaling
CNS	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.