4X7W

MycF mycinamicin III 3'-O-methyltransferase (E35Q, E139A variant) in complex with Mg, SAH and mycinamicin VI (MycE substrate)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293.1	20-30% PEG 5000 MME, 100 mM ammonium acetate, and 100 mM BisTrisPropane pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.121	α = 90
b = 92.528	β = 90
c = 128.926	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 300 mm CCD		2013-03-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	1.033	APS	23-ID-D

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	1.45	50	93	0.119	22	6.9		56748

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	1.45	1.5	94.9		0.591	4.2	6.1

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	4XVY	1.75	32.87	56748	3014	97.58	0.17448	0.17264	0.20889	RANDOM	22.601

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]
-1.47			3.41		-1.93

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.065
r_dihedral_angle_4_deg	18.074
r_dihedral_angle_3_deg	12.943
r_dihedral_angle_1_deg	6.258
r_long_range_B_other	6.251
r_long_range_B_refined	6.248
r_scangle_other	3.856
r_scbond_it	2.563
r_scbond_other	2.562
r_angle_refined_deg	2.017
r_mcangle_it	1.855
r_mcangle_other	1.854
r_mcbond_it	1.368
r_mcbond_other	1.367
r_angle_other_deg	0.982
r_chiral_restr	0.129
r_bond_refined_d	0.021
r_gen_planes_refined	0.012
r_gen_planes_other	0.002
r_bond_other_d	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3964
Nucleic Acid Atoms
Solvent Atoms	518
Heterogen Atoms	148

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing