1PKZ

Crystal structure of human glutathione transferase (GST) A1-1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	MethylPEG2000, Tris-HCl, NaAc, 2-mercaptoethanol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99	α = 90
b = 89.888	β = 93.28
c = 51.082	γ = 90

Symmetry
Space Group	C 1 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	IMAGE PLATE	MARRESEARCH		2000-05-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711	0.9831	MAX II	I711

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.1	25				26111	25470		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.1	2.18	96.9

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.1	65.94	25470	22897	2573	97.55	0.1856	0.18055	0.2298	RANDOM	25.164

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]
-0.48		0.56	1.18		-0.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.01
r_scangle_it	3.273
r_scbond_it	2.038
r_angle_refined_deg	1.461
r_mcangle_it	1.435
r_angle_other_deg	1.04
r_mcbond_it	0.798
r_nbd_other	0.236
r_nbd_refined	0.216
r_symmetry_vdw_refined	0.184
r_xyhbond_nbd_refined	0.175
r_symmetry_vdw_other	0.153
r_symmetry_hbond_refined	0.133
r_nbtor_other	0.097
r_chiral_restr	0.085
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
r_gen_planes_other	0.004
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_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	3500
Nucleic Acid Atoms
Solvent Atoms	300
Heterogen Atoms	16

Software

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