5M58

Crystal structure of CouO, a C-methyltransferase from Streptomyces rishiriensis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		290	2.3 mg/ml CouO 12.5%(w/v) PEG 1000, 12.5%(w/v) PEG 3350, 12.5%(v/v) MPD, 0.03 M of each halide (sodium fluoride, sodium bromide and sodium iodide), 0.1 M MES/imidazole pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 33.07	α = 90
b = 82.95	β = 96.91
c = 76.88	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	MARRESEARCH		2011-10-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X12	1.0507	EMBL/DESY, HAMBURG	X12

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	2.05	40.98	97.9	0.13	6	3.5	87179	25206

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	2.05	2.16	94.2		0.25	2.5	3	3498

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	2.05	40	24235	1306	98.03	0.20662	0.20345	0.26448	RANDOM	22.234

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]
0.44		-0.24	-1.58		1.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.705
r_dihedral_angle_4_deg	17.791
r_dihedral_angle_3_deg	16.039
r_dihedral_angle_1_deg	6.321
r_long_range_B_refined	4.672
r_long_range_B_other	4.672
r_scangle_other	2.16
r_mcangle_it	2.076
r_mcangle_other	2.076
r_angle_refined_deg	1.442
r_scbond_it	1.297
r_scbond_other	1.297
r_mcbond_it	1.22
r_mcbond_other	1.22
r_angle_other_deg	0.952
r_chiral_restr	0.069
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002
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	3607
Nucleic Acid Atoms
Solvent Atoms	314
Heterogen Atoms	52

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing