4DC9

Hexameric ring of Methanococcus voltae RadA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.7	294	33% PEG 400, 1.0 M NaNO3, 0.05 M MES-NaOH Buffer at pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.97	58.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 186.351	α = 90
b = 118.577	β = 138.05
c = 141.731	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	100	CCD	Brukers Proteum		2009-01-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	Cu FINE FOCUS	1.5418

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	2.6	30	90.5	0.07	0.07	8.5	3.6	63397	57374			55

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)
1	2.6	2.69	90.1		0.293	0.293	2.6	3.1	6401

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1T4G	2.6	30	63397	54446	2928	90.11	0.20916	0.20916	0.20599	0.26584	RANDOM	55.71

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]
-3.91		-1.72	2.55		-1.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.438
r_dihedral_angle_4_deg	21.157
r_dihedral_angle_3_deg	20.634
r_dihedral_angle_1_deg	6.113
r_angle_refined_deg	1.7
r_chiral_restr	0.111
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_mcbond_it
r_mcbond_other
r_mcangle_it
r_scbond_it
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	11982
Nucleic Acid Atoms
Solvent Atoms	62
Heterogen Atoms	48

Software

Software
Software Name	Purpose
PROTEUM PLUS	data collection
PHASER	phasing
REFMAC	refinement
PROTEUM PLUS	data reduction
PROTEUM PLUS	data scaling