1N2A

Crystal Structure of a Bacterial Glutathione Transferase from Escherichia coli with Glutathione Sulfonate in the Active Site

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.7	298	PEG 3000, B-n-octyl-glucopyranoside, glutathione sulfonate, sodium acetate, pH 4.7, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2	38.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.616	α = 90
b = 57.166	β = 90
c = 134.927	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	113	IMAGE PLATE	RIGAKU RAXIS IV		1997-09-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.54

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	1.9	19.7	87.53	0.042				23318	4	-3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1AOF	1.9	19.17	4	23318	2563	87.53	0.234	0.20089	0.19452	0.26005	RANDOM	28.321

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]
-0.01			0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.24
r_scangle_it	4.759
r_scbond_it	2.894
r_mcangle_it	2.081
r_angle_refined_deg	1.858
r_mcbond_it	1.164
r_angle_other_deg	1.056
r_symmetry_vdw_other	0.343
r_nbd_other	0.235
r_nbd_refined	0.223
r_xyhbond_nbd_refined	0.171
r_symmetry_vdw_refined	0.16
r_chiral_restr	0.141
r_symmetry_hbond_refined	0.118
r_nbtor_other	0.088
r_bond_refined_d	0.02
r_gen_planes_refined	0.008
r_gen_planes_other	0.007
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_xyhbond_nbd_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3107
Nucleic Acid Atoms
Solvent Atoms	153
Heterogen Atoms	46

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
REFMAC	refinement