1TT4

Structure of NP459575, a predicted glutathione synthase from Salmonella typhimurium

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	Drop- 50 mM Na cacodylate pH 6.5, 5 mM Tris pH 8.3, 0.125 M NaCl, 0.1 M MgS, 10 % PEG 4000, 5 mg/ml protein. Well- 0.1 M Na cacodylate pH 6.5, 0.2 M MgS, 20 % PEG 4000, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.2	61.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 188.929	α = 90
b = 188.929	β = 90
c = 188.929	γ = 90

Symmetry
Space Group	I 2 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	170	CCD	CUSTOM-MADE		2004-04-03	M	SIRAS
2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	1.00800	APS	19-ID
2	SYNCHROTRON	APS BEAMLINE 19-ID	1.0725	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	2.8	30	100	0.084	30	15		27578		-3	69

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	2.8	2.9	100		0.314	9.8	15	2714

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	SIRAS	THROUGHOUT	2.801	19.92	27578	26187	1391	95	0.21132	0.21132	0.20884	0.25768	RANDOM	46.081

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	6.635
r_dihedral_angle_1_deg	6.397
r_scbond_it	4.674
r_mcangle_it	3.652
r_mcbond_it	2.294
r_angle_other_deg	1.179
r_angle_refined_deg	1.176
r_nbd_other	0.242
r_symmetry_vdw_other	0.242
r_symmetry_vdw_refined	0.212
r_nbd_refined	0.203
r_xyhbond_nbd_refined	0.195
r_metal_ion_refined	0.115
r_symmetry_hbond_refined	0.106
r_nbtor_other	0.085
r_chiral_restr	0.07
r_bond_refined_d	0.009
r_bond_other_d	0.007
r_gen_planes_refined	0.004
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5543
Nucleic Acid Atoms
Solvent Atoms	39
Heterogen Atoms	12

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing