2GSQ

GLUTATHIONE S-TRANSFERASE FROM SQUID DIGESTIVE GLAND COMPLEXED WITH S-(3-IODOBENZYL)GLUTATHIONE

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
3.21	61.68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.15	α = 90
b = 73.15	β = 90
c = 94.88	γ = 120

Symmetry
Space Group	P 31 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	ELECTRONICS COMPUTING TECHNOLOGIES		1994-05-29	M

Data Collection

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-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		2.2	6	2	11649			0.173			23.12

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_orthonormal_tor	29.9
p_staggered_tor	22.8
p_planar_tor	4
p_scangle_it	1.964
p_scbond_it	1.294
p_mcangle_it	1.198
p_mcbond_it	0.708
p_chiral_restr	0.214
p_multtor_nbd	0.21
p_singtor_nbd	0.198
p_xhyhbond_nbd	0.19
p_angle_d	0.037
p_planar_d	0.037
p_plane_restr	0.023
p_bond_d	0.017
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1598
Nucleic Acid Atoms
Solvent Atoms	211
Heterogen Atoms	61

Software

Software
Software Name	Purpose
PROLSQ	refinement
XENGEN	data reduction