2O3A

Crystal structure of a protein AF_0751 from Archaeoglobus fulgidus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	294	100mM Hepes pH 7.5, 30% MPD, 200mM tri-sodium citrate dihydrate, Vapor diffusion, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2	38.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.294	α = 90
b = 55.89	β = 90
c = 108.784	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	77	CCD	MAR CCD 165 mm		2006-10-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.97958	APS	31-ID

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	2.2	19.49	97.7	0.109	0.109	18	12.6	17078	16685			35.1

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)
1	2.2	2.32	91.3		0.504	0.504	3.7	8.8	2227

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	2.2	19.035	17077	16683	850	97.69	0.233	0.23	0.292	RANDOM	45.209

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]
-0.48			-5.93		6.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.331
r_dihedral_angle_3_deg	16.958
r_dihedral_angle_4_deg	13.875
r_dihedral_angle_1_deg	6.542
r_scangle_it	2.627
r_scbond_it	1.565
r_angle_refined_deg	1.439
r_mcangle_it	1.208
r_mcbond_it	0.675
r_nbtor_refined	0.306
r_nbd_refined	0.215
r_symmetry_vdw_refined	0.177
r_xyhbond_nbd_refined	0.146
r_symmetry_hbond_refined	0.127
r_chiral_restr	0.123
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2588
Nucleic Acid Atoms
Solvent Atoms	91
Heterogen Atoms

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
CCP4	data scaling
SHELXD	phasing