3G7G

Crystal structure of the protein with unknown function from Clostridium acetobutylicum ATCC 824

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	289	20% PEG 3350, 0.1M Bis-tris, 0.2M NaCl, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.048	α = 90
b = 166.841	β = 119.06
c = 66.974	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	ADSC QUANTUM 315	mirrors	2007-12-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9794	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.99	58.62	97.88	0.103	12.63	4.3	82931	81173		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.99	2.05	84.82		0.439	1.47	3.1	6459

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.99	58.62	81173	81173	4251	97.88	0.19649	0.19649	0.19344	0.2537	RANDOM	27.322

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]
2.02		2.04	-1.89		1.85

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.929
r_dihedral_angle_4_deg	21.701
r_dihedral_angle_3_deg	16.819
r_dihedral_angle_1_deg	7.971
r_scangle_it	4.301
r_scbond_it	3.107
r_mcangle_it	1.836
r_angle_refined_deg	1.648
r_mcbond_it	1.483
r_angle_other_deg	0.966
r_mcbond_other	0.408
r_symmetry_hbond_refined	0.276
r_nbd_refined	0.211
r_nbd_other	0.211
r_symmetry_vdw_other	0.205
r_symmetry_vdw_refined	0.202
r_nbtor_refined	0.182
r_xyhbond_nbd_refined	0.177
r_chiral_restr	0.105
r_nbtor_other	0.09
r_xyhbond_nbd_other	0.025
r_bond_refined_d	0.017
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9298
Nucleic Acid Atoms
Solvent Atoms	506
Heterogen Atoms

Software

Software
Software Name	Purpose
SBC-Collect	data collection
HKL-3000	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling