1QGO

ANAEROBIC COBALT CHELATASE IN COBALAMIN BIOSYNTHESIS FROM SALMONELLA TYPHIMURIUM

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		10-15% PEG (MW 4000), 0.2 M LI2SO4, 0.1 M TRIS PH 8.5

Crystal Properties
Matthews coefficient	Solvent content
3.35	63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 128.097	α = 90
b = 128.097	β = 90
c = 84.765	γ = 120

Symmetry
Space Group	P 63 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	120	IMAGE PLATE	MARRESEARCH	MIRORS	1998-03-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	2.4	30	99.5	0.087	15	15		16699			36.21

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	2.4	2.49	99.8		0.31	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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIRAS	THROUGHOUT	2.4	20	16597	839	99	0.208	0.271	RANDOM	27.3

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
p_planar_d	0.032
p_angle_d	0.031
p_plane_restr	0.018
p_bond_d	0.009
p_angle_deg
p_hb_or_metal_coord
p_mcbond_it
p_mcangle_it
p_scbond_it
p_scangle_it
p_chiral_restr
p_singtor_nbd
p_multtor_nbd
p_xhyhbond_nbd
p_xyhbond_nbd
p_planar_tor
p_staggered_tor
p_orthonormal_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1999
Nucleic Acid Atoms
Solvent Atoms	226
Heterogen Atoms	15

Software

Software
Software Name	Purpose
MLPHARE	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling