2J9H

Crystal structure of human glutathione-S-transferase P1-1 cys-free mutant in complex with S-hexylglutathione at 2.4 A resolution

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	9GSS	PDB ENTRY 9GSS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.4		SITTING DROP VAPOUR TECHNIQUE, 1 MICROLITRE OF PROTEIN AT 10 MG/ML IN 20 MM TRIS-HCL, PH 8.0 CONTAINING 5MM S-HEXYLGLUTATHIONE WAS MIXED WITH 1 MICROLITRE OF RESERVOIR SOLUTION, COMPOSED OF 1.5M AMMONIUM SULFATE AND 100MM SODIUM CITRATE

Crystal Properties
Matthews coefficient	Solvent content
2.24	44.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.566	α = 90
b = 59.566	β = 90
c = 238.35	γ = 90

Symmetry
Space Group	P 43 21 2

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	MARRESEARCH		2006-04-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-2		MAX II	I911-2

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	2.4	20	90	0.09	5.8	6.5		16119		2.4	45.8

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	2.4	2.46	99		0.27	2.4	6.9

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 9GSS	2.4	20	15269	808	90.8	0.253	0.25	0.31	RANDOM	45.12

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]
0.77			0.77		-1.54

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.89
r_dihedral_angle_4_deg	23.192
r_dihedral_angle_3_deg	18.971
r_dihedral_angle_1_deg	6
r_scangle_it	2.106
r_angle_refined_deg	1.507
r_scbond_it	1.407
r_mcangle_it	0.954
r_mcbond_it	0.541
r_nbtor_refined	0.303
r_symmetry_vdw_refined	0.236
r_nbd_refined	0.211
r_xyhbond_nbd_refined	0.183
r_symmetry_hbond_refined	0.175
r_chiral_restr	0.093
r_bond_refined_d	0.012
r_gen_planes_refined	0.005
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3272
Nucleic Acid Atoms
Solvent Atoms	45
Heterogen Atoms	52

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing