3AJ2

The structure of AxCeSD octamer (C-terminal HIS-tag) from Acetobacter xylinum

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION	5.4	293	0.2M LI2SO4, 0.1M PHOSPHATE-CITRATE pH 5.4, 10% (V/V) ISO-PROPANOL, EVAPORATION, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.32	62.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 133.351	α = 90
b = 133.351	β = 90
c = 217.759	γ = 90

Symmetry
Space Group	I 41 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	100	IMAGE PLATE	RIGAKU RAXIS IV++	MIRRORS	2007-02-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007	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	2.7	50	99.8	0.061	0.061	20.9	8.7	27157	27157			65.2

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)
	2.7	2.8	99.2		0.432	0.432	2.4	4.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 2Z9E	2.7	19.8	24434	2691	100	0.21553	0.2089	0.27551	RANDOM	64.396

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]
0.98			0.98		-1.96

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.739
r_dihedral_angle_3_deg	23.359
r_dihedral_angle_4_deg	23.132
r_dihedral_angle_1_deg	8.003
r_scangle_it	3.462
r_scbond_it	2.052
r_angle_refined_deg	1.845
r_mcangle_it	1.617
r_mcbond_it	0.908
r_nbtor_refined	0.326
r_nbd_refined	0.274
r_symmetry_vdw_refined	0.23
r_symmetry_hbond_refined	0.229
r_xyhbond_nbd_refined	0.184
r_chiral_restr	0.128
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4785
Nucleic Acid Atoms
Solvent Atoms	261
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling