3EEQ

Crystal structure of a putative cobalamin biosynthesis protein G homolog from Sulfolobus solfataricus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	4.5	294	100mM sodium acetate pH 4.5, 19% PEG 4K, 200mM ammonium sulfate, Vapor diffusion, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.015	α = 90
b = 97.5	β = 90
c = 107.322	γ = 90

Symmetry
Space Group	P 21 21 21

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		2008-08-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	0.97958	ALS	8.3.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.3	48.737	99.8	0.079	0.079	25.2	14.5	31478	31415			43.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.3	2.42	99.8		0.593	0.593	4.6	14.8	4510

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	SAD	THROUGHOUT	2.3	20	31407	31347	1532	99.81	0.239	0.237	0.284	RANDOM	52.98

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]
1.23			-2.96		1.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.387
r_dihedral_angle_4_deg	24.827
r_dihedral_angle_3_deg	18.394
r_dihedral_angle_1_deg	6.755
r_scangle_it	4.272
r_scbond_it	2.655
r_mcangle_it	1.949
r_angle_refined_deg	1.734
r_mcbond_it	1.06
r_chiral_restr	0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.387
r_dihedral_angle_4_deg	24.827
r_dihedral_angle_3_deg	18.394
r_dihedral_angle_1_deg	6.755
r_scangle_it	4.272
r_scbond_it	2.655
r_mcangle_it	1.949
r_angle_refined_deg	1.734
r_mcbond_it	1.06
r_chiral_restr	0.11
r_bond_refined_d	0.017
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4657
Nucleic Acid Atoms
Solvent Atoms	34
Heterogen Atoms	30

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
DENZO	data reduction
SHELXCD	phasing
SHELXE	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.