3GAH

Structure of a F112H variant 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	8.6	298	anoxic, 14% PEG 8000, 0.2M potassium chloride, 0.1 M HEPPS, 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 8.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.51	51.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.814	α = 90
b = 80.814	β = 90
c = 89.492	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	1.17	50	99.6	0.07	41.478	4.4		73398

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	1.17	1.21	97.3		0.179		2	7150

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	1.17	30	73249	3689	99.41	0.161	0.16	0.182	RANDOM	15.109

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]
0.11	0.05		0.11		-0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.162
r_dihedral_angle_4_deg	14.782
r_dihedral_angle_3_deg	11.727
r_dihedral_angle_1_deg	5.841
r_scangle_it	3.616
r_angle_refined_deg	2.849
r_scbond_it	2.651
r_mcangle_it	1.801
r_mcbond_it	1.043
r_chiral_restr	0.37
r_nbtor_refined	0.323
r_symmetry_hbond_refined	0.32
r_nbd_refined	0.252
r_symmetry_vdw_refined	0.249
r_xyhbond_nbd_refined	0.193
r_metal_ion_refined	0.107
r_symmetry_metal_ion_refined	0.074
r_bond_refined_d	0.022
r_gen_planes_refined	0.016

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1511
Nucleic Acid Atoms
Solvent Atoms	210
Heterogen Atoms	100

Software

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