3GUR

Crystal Structure of mu class glutathione S-transferase (GSTM2-2) in complex with glutathione and 6-(7-Nitro-2,1,3-benzoxadiazol-4-ylthio)hexanol (NBDHEX)

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	298	16% PEG 8000, 200mM NaCl, 100mM MES , pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.37	48.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.75	α = 90
b = 78.016	β = 90
c = 219.362	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	100	CCD	MARMOSAIC 225 mm CCD		2008-05-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.91841	BESSY	14.1

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	109.7	93.2	0.086	18.32	4.8	32108	32108	1	1	42.1

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	2.5	2.59	83.1		0.1	7.01

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1HNC	2.5	29.43	30437	1606	92.91	0.21623	0.21331	0.27345	RANDOM	26.211

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]
-0.74			-1.16		1.89

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.98
r_dihedral_angle_4_deg	19.461
r_dihedral_angle_3_deg	16.017
r_dihedral_angle_1_deg	7.35
r_scangle_it	1.97
r_angle_refined_deg	1.454
r_scbond_it	1.218
r_mcangle_it	0.92
r_mcbond_it	0.557
r_nbtor_refined	0.306
r_nbd_refined	0.198
r_xyhbond_nbd_refined	0.144
r_symmetry_vdw_refined	0.136
r_symmetry_hbond_refined	0.136
r_chiral_restr	0.109
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7181
Nucleic Acid Atoms
Solvent Atoms	167
Heterogen Atoms	124

Software

Software
Software Name	Purpose
MAR345	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling