3PCV

Crystal structure analysis of human leukotriene C4 synthase at 1.9 angstrom resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.1M MES-NaOH (pH 6.5), 1.6M ammonium sulfate, 0.8M magnesium chloride, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
4.91	74.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 168.0295	α = 90
b = 168.0295	β = 90
c = 168.0295	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	MARMOSAIC 225 mm CCD		2008-09-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL26B2	0.97	SPring-8	BL26B2

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	1.9	20.4	99.9	0.08		9.9		30950

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	1.9	2	100		0.302		7.7	4517

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2UUI	1.9	18.78	30949	29381	1568	99.97	0.17919	0.17919	0.17819	0.19763	RANDOM	29.263

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	31.661
r_dihedral_angle_4_deg	15.514
r_dihedral_angle_3_deg	12.317
r_scangle_it	6.338
r_scbond_it	4.62
r_dihedral_angle_1_deg	4.119
r_mcangle_it	3.361
r_mcbond_it	2.651
r_angle_refined_deg	1.174
r_chiral_restr	0.086

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.661
r_dihedral_angle_4_deg	15.514
r_dihedral_angle_3_deg	12.317
r_scangle_it	6.338
r_scbond_it	4.62
r_dihedral_angle_1_deg	4.119
r_mcangle_it	3.361
r_mcbond_it	2.651
r_angle_refined_deg	1.174
r_chiral_restr	0.086
r_bond_refined_d	0.013
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1110
Nucleic Acid Atoms
Solvent Atoms	94
Heterogen Atoms	156

Software

Software
Software Name	Purpose
BSS	data collection
AMoRE	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.