3GAJ

Structure of a C-terminal deletion variant of a PduO-type ATP:corrinoid adenosyltransferase from Lactobacillus reuteri complexed with cobalamin and ATP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	298	anoxic, 14% PEG 8000, 0.2M potassium chloride, 0.1 M MES, 30 ug/mL E. coli FMN reductase, 50 mM NADH, 10 mM FMN, 10 mM hydoxycobalamin, 10 mM ATP, 10 mM magnesium chloride, 0.3 M sodium chloride, pH 6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.28	45.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.679	α = 90
b = 67.679	β = 90
c = 111.18	γ = 120

Symmetry
Space Group	H 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	CCD	SBC-3		2007-08-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM		APS	19-BM

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	1.38	50	97.3	0.063	47.679	6.3		38038

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	1.38	1.43	82		0.097		3.1	3192

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		THROUGHOUT	1.38	50	38032	1902	97.34	0.165	0.164	0.182	RANDOM	14.355

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	0.12		0.24		-0.36

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.4
r_dihedral_angle_4_deg	12.925
r_dihedral_angle_3_deg	11.109
r_dihedral_angle_1_deg	5.175
r_scangle_it	3.11
r_scbond_it	2.016
r_angle_refined_deg	1.955
r_mcangle_it	1.307
r_mcbond_it	0.703
r_symmetry_hbond_refined	0.353
r_nbtor_refined	0.313
r_symmetry_vdw_refined	0.239
r_nbd_refined	0.221
r_chiral_restr	0.211
r_xyhbond_nbd_refined	0.134
r_metal_ion_refined	0.076
r_symmetry_metal_ion_refined	0.056
r_bond_refined_d	0.009
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1462
Nucleic Acid Atoms
Solvent Atoms	167
Heterogen Atoms	99

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction