3EO6

Crystal structure of protein of unknown function (DUF1255) (AFE_2634) from ACIDITHIOBACILLUS FERROOXIDANS NCIB8455 at 0.97 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	277	0.2000M MgCl2, 30.0000% PEG-4000, 0.1M TRIS pH 8.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 30.785	α = 90
b = 82.028	β = 109.95
c = 40.847	γ = 90

Symmetry
Space Group	P 1 21 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	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2008-08-01	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837,0.97837	SSRL	BL11-1

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	0.97	28.194	99.4	0.064	0.064	5.911	4.1		111566			7.317

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)
	0.97	1	98		0.703	0.703	1.1	3.5	8165

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	MAD	THROUGHOUT	0.97	28.194	111533	5605	99.36	0.124	0.123	0.143	RANDOM	11.791

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		-0.2	-0.26		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.194
r_dihedral_angle_3_deg	13.226
r_dihedral_angle_4_deg	12.682
r_sphericity_free	10.276
r_dihedral_angle_1_deg	7.325
r_scangle_it	5.464
r_scbond_it	4.327
r_sphericity_bonded	4.001
r_mcangle_it	3.182
r_mcbond_it	2.255
r_angle_refined_deg	1.92
r_rigid_bond_restr	1.902
r_mcbond_other	1.467
r_angle_other_deg	0.973
r_chiral_restr	0.105
r_bond_refined_d	0.019
r_gen_planes_refined	0.011
r_gen_planes_other	0.005
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2227
Nucleic Acid Atoms
Solvent Atoms	454
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHARP	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction