3SSO

MycE Methyltransferase from the Mycinamycin Biosynthetic Pathway in Complex with Mg and SAH, Crystal form 2

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	20%-25% PEG 3350, 0.15 M NaCl, 0.1 M Bis-Tris, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 144.22	α = 90
b = 250.846	β = 90
c = 158.315	γ = 90

Symmetry
Space Group	C 2 2 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 300 mm CCD		2009-03-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	1.0332	APS	23-ID-D

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	1.895	50	96.3	0.121	9.6	6.8	225078	216642			22.8

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	1.895	1.97	76.3		0.511		3.8	17039

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	1.895	49.16	216609	10937	100	0.1453	0.1436	0.1765	RANDOM	28.8522

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]
			-0.09		0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.785
r_dihedral_angle_4_deg	17.749
r_dihedral_angle_3_deg	12.068
r_dihedral_angle_1_deg	5.33
r_scangle_it	2.898
r_mcangle_it	2.273
r_scbond_it	1.95
r_mcbond_it	1.501
r_angle_refined_deg	1.061
r_chiral_restr	0.073

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.785
r_dihedral_angle_4_deg	17.749
r_dihedral_angle_3_deg	12.068
r_dihedral_angle_1_deg	5.33
r_scangle_it	2.898
r_mcangle_it	2.273
r_scbond_it	1.95
r_mcbond_it	1.501
r_angle_refined_deg	1.061
r_chiral_restr	0.073
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	18768
Nucleic Acid Atoms
Solvent Atoms	2780
Heterogen Atoms	162

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
DENZO	data reduction
HKL-2000	data scaling

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.