3LEO

Structure of human Leukotriene C4 synthase mutant R31Q in complex with glutathione

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	298	2 M AmSO4, 0.1 M Bis-Tris, pH 6.5, Vapor diffusion, Sitting drop, temperature 298K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 169.54	α = 90
b = 169.54	β = 90
c = 169.54	γ = 90

Symmetry
Space Group	F 2 3

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	ADSC QUANTUM 210	Horizontally bended Ge(220)	2008-06-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.93340	ESRF	ID14-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	99.1	0.07	0.07	20.85	7.1	31399	31117

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.2	91.6		0.014	0.53	1.1	7.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	2UUH	2.1	50	23641	22369	1201	99.7	0.1729	0.17163	0.196	RANDOM	36.111

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
r_dihedral_angle_2_deg	31.504
r_dihedral_angle_3_deg	15.649
r_dihedral_angle_4_deg	15.098
r_scangle_it	6.496
r_dihedral_angle_1_deg	4.844
r_scbond_it	4.464
r_mcangle_it	2.734
r_angle_refined_deg	1.814
r_mcbond_it	1.62
r_nbtor_refined	0.313
r_symmetry_vdw_refined	0.299
r_symmetry_hbond_refined	0.271
r_nbd_refined	0.228
r_xyhbond_nbd_refined	0.174
r_chiral_restr	0.138
r_bond_refined_d	0.018
r_gen_planes_refined	0.007
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	1183
Nucleic Acid Atoms
Solvent Atoms	76
Heterogen Atoms	161

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
XDS	data reduction