1BMQ

CRYSTAL STRUCTURE OF THE COMPLEX OF INTERLEUKIN-1BETA CONVERTING ENZYME (ICE) WITH A PEPTIDE BASED INHIBITOR, (3S )-N-METHANESULFONYL-3-({1-[N-(2-NAPHTOYL)-L-VALYL]-L-PROLYL }AMINO)-4-OXOBUTANAMIDE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		PROTEIN WAS CRYSTALLIZED FROM 10-15% PEG 6000, 100MM HEPES PH 7.0

Crystal Properties
Matthews coefficient	Solvent content
2.9	57.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.7	α = 90
b = 64.7	β = 90
c = 161.4	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	IMAGE PLATE	RIGAKU RAXIS II	MIRRORS	1997-08-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	2	60	84.1	0.097	0.097		3.1		15819		1	13.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	OTHER	THROUGHOUT	1ICE	2.5	8	2	10838	1085	89.7	0.233	0.233	0.317	RANDOM	29

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
x_dihedral_angle_d	26.9
x_scangle_it	4.23
x_mcangle_it	2.88
x_scbond_it	2.71
x_mcbond_it	1.77
x_angle_deg	1.1
x_improper_angle_d	0.5
x_bond_d	0.006
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2032
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	38

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
PROCESS	data reduction
PROCESS	data scaling
X-PLOR	phasing