3OUK | pdb_00003ouk

Crystal structure of Rv3910 from Mycobacterium Tuberculosis

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		phased from SeMet crystal

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		291	3M NaCl, 0.1M Tris-HCl, pH 7.5-8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
2	VAPOR DIFFUSION, HANGING DROP		291	60% tacsimate, 4% 1,1,1,3,3,3 hexafluoro-2-propanol , VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 122.36	α = 90
b = 122.36	β = 90
c = 66.98	γ = 120

Symmetry
Space Group	P 31 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	ADSC QUANTUM 315r	double crystal monochromater	2007-08-24	M	SINGLE WAVELENGTH
2	2	x-ray	100	CCD	ADSC QUANTUM 315r	double crystal monochromater	2008-01-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.115872	ALS	8.3.1
2	SYNCHROTRON	ALS BEAMLINE 8.3.1	0.979648	ALS	8.3.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	3.4	45.172	94.4	0.103	12	4.8	8168	7693			55.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	3.4	3.52	71.8		0.383	2	4.1	568

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	phased from SeMet crystal	3.402	45.172	1.35	8168	7675	352	94.04	0.1984	0.1984	0.1966	0.1964	0.2345	0.1951	Random

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]
20.379			20.379		-40.7579

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.733
f_angle_d	1.33
f_chiral_restr	0.073
f_bond_d	0.01
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1844
Nucleic Acid Atoms
Solvent Atoms	4
Heterogen Atoms

Software

Software
Software Name	Purpose
ELVES	refinement
SOLVE	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling