3AAX | pdb_00003aax

Crystal structure of probable thiosulfate sulfurtransferase cysa3 (RV3117) from Mycobacterium tuberculosis: monoclinic FORM

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1UAR	PDB ENTRY 1UAR

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	Protein concentration 8mg/ml, 0.1M Tris HCl pH 8.5, Precipitant 0.2M MgCl2, 25% PEG 3350., VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.37	48.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.862	α = 90
b = 91.428	β = 96.58
c = 83.569	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 315r		2007-11-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.11587	ALS	8.3.1

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	2.5	45.7	98.8	0.104	11.8	3.6	20078	20078

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)
	2.5	2.59	98		0.546	2.1	3.4	2006

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1UAR	2.5	41.51	18909	18909	1028	98.75	0.23696	0.23393	0.2333	0.29123	0.2898	RANDOM	50.363

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]
3.63		0.87	0.56		-3.99

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.748
r_dihedral_angle_3_deg	19.048
r_dihedral_angle_4_deg	13.674
r_dihedral_angle_1_deg	5.289
r_scangle_it	1.097
r_angle_refined_deg	0.902
r_scbond_it	0.634
r_mcangle_it	0.608
r_mcbond_it	0.327
r_chiral_restr	0.069
r_bond_refined_d	0.005
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4329
Nucleic Acid Atoms
Solvent Atoms	68
Heterogen Atoms

Software

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