6GSX

FIRST-SPHERE AND SECOND-SPHERE ELECTROSTATIC EFFECTS IN THE ACTIVE SITE OF A CLASS MU GLUTATHIONE TRANSFERASE

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.3	47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.84	α = 90
b = 69.22	β = 105.9
c = 81.32	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		AREA DETECTOR	SIEMENS		1994-04-18	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
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	1.91	50	99.8	0.07		2.55		36475

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.91	6	4	29198		92.1	0.152		22.65

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
p_transverse_tor	18.1
p_staggered_tor	17.7
p_planar_tor	4
p_scangle_it	2.798
p_scbond_it	1.779
p_mcangle_it	1.575
p_mcbond_it	0.953
p_xyhbond_nbd	0.236
p_chiral_restr	0.225
p_singtor_nbd	0.196
p_multtor_nbd	0.196
p_planar_d	0.043
p_angle_d	0.037
p_plane_restr	0.023
p_bond_d	0.018
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3634
Nucleic Acid Atoms
Solvent Atoms	448
Heterogen Atoms	85

Software

Software
Software Name	Purpose
GPRLSA	refinement
XENGEN	data reduction
XENGEN	data scaling