3B7R

Leukotriene A4 Hydrolase Complexed with Inhibitor RB3040

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1H19	pdb entry 1H19

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	liquid-liquid diffusion		298	CO-CRYSTALLIZED WITH LTA4H BY LIQUID-LIQUID DIFFUSION IN MELTING-POINT CAPILLARIES. A TRIS-BUFFERED (10 mM, PH 7.5) SOLUTION OF PROTEIN AND INHIBITOR IN APPROXIMATELY EQUIMOLAR CONCENTRATIONS (~70 MICROM) WAS LAYERED ON THE PRECIPITATE SOLUTION CONTAINING 28% (WEIGHT/VOLUME) POLYETHYLENE GLYCOL (MW 8000), 50 mM NA ACETATE, 100 mM IMIDAZOLE, PH 6.8, AND 5 MM YBCL3, liquid-liquid diffusion, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.41	48.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.33	α = 90
b = 86.937	β = 90
c = 99.109	γ = 90

Symmetry
Space Group	P 21 21 21

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		2003-05-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711	0.97	MAX II	I711

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	1.811	15.534	99.2	0.06	0.06	10.8	4.1		61881		2

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)
	1.811	1.91	95.7		0.255	0.255	2.8	3.9	8603

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		THROUGHOUT	pdb entry 1H19	1.811	15.534	61817	59767	2050	99.34	0.15	0.149	0.185	RANDOM	13.789

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]
0.07			-0.61		0.54

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.149
r_scangle_it	4.369
r_scbond_it	2.733
r_mcangle_it	1.604
r_angle_refined_deg	1.574
r_angle_other_deg	1.059
r_mcbond_it	0.888
r_symmetry_hbond_refined	0.413
r_symmetry_vdw_refined	0.32
r_symmetry_vdw_other	0.281
r_nbd_other	0.25
r_nbd_refined	0.211
r_xyhbond_nbd_refined	0.159
r_chiral_restr	0.11
r_nbtor_other	0.086
r_metal_ion_refined	0.05
r_bond_refined_d	0.017
r_gen_planes_other	0.013
r_gen_planes_refined	0.011
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4877
Nucleic Acid Atoms
Solvent Atoms	668
Heterogen Atoms	36

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection