4XC6

Isobutyryl-CoA mutase fused with bound adenosylcobalamin, GDP, and Mg (holo-IcmF/GDP)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	precipitant: 700 mM potassium sodium tartrate, 200 mM ammonium acetate, 100 mM imidazole pH 7. 3% (v/v) ethylene glycol additive in drop solution only. protein in 100 mM NaCl, 50 mM HEPES pH 7.5, 1 mM GDP, 3 mM MgCl2, 0.3 mM adenosylcobalamin, mixed with precipitant 1uL + 1uL set up under red light, grown in the dark

Crystal Properties
Matthews coefficient	Solvent content
6.7	82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 318.76	α = 90
b = 318.76	β = 90
c = 343.52	γ = 120

Symmetry
Space Group	H 3 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	CCD	ADSC QUANTUM 315		2011-12-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.9795	APS	24-ID-C

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	3.35	50	99.2	0.129	15.1	9.3		94999

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.35	3.44	98		2.1	6.4

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	SIRAS	FREE R-VALUE	3.35	48.69	94948	4764	99.16	0.181	0.1801	0.1979	Random selection

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	11.157
f_angle_d	0.616
f_chiral_restr	0.024
f_bond_d	0.003
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16282
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	264

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
SHELX	phasing
SHARP	phasing
Coot	model building

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 R01GM133198.