5M2Q

Structure of cobinamide-bound BtuF mutant W66F, the periplasmic vitamin B12 binding protein in E.coli

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293.15	PEG3350 HEPES pH 7 Tryptone

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 136.56	α = 90
b = 90.67	β = 110.87
c = 50.81	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	123	PIXEL	DECTRIS PILATUS 6M-F		2014-12-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	0.97794	SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.7	19.71	96.27	11.05	3.1		61170

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	5M29	1.7	19.71	58109	3060	96.27	0.21087	0.20886	0.24923	RANDOM	33.948

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]
-0.24		-0.34	0.07		0.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.746
r_dihedral_angle_4_deg	21.86
r_dihedral_angle_3_deg	15.081
r_long_range_B_refined	8.55
r_long_range_B_other	8.549
r_dihedral_angle_1_deg	6.593
r_scangle_other	3.532
r_mcangle_it	2.849
r_mcangle_other	2.849
r_scbond_it	2.31
r_scbond_other	2.31
r_angle_refined_deg	2.308
r_mcbond_it	1.745
r_mcbond_other	1.739
r_angle_other_deg	0.898
r_chiral_restr	0.194
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
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	3532
Nucleic Acid Atoms
Solvent Atoms	390
Heterogen Atoms	158

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
XSCALE	data scaling
PHENIX	phasing