1VPI

PHOSPHOLIPASE A2 INHIBITOR FROM VIPOXIN

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.3		PROTEIN WAS CRYSTALLIZED FROM 52% AMMONIUM SULFATE, 0.5% MPD, 100 MM TRIS, PH 8.3

Crystal Properties
Matthews coefficient	Solvent content
2.3	46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.9	α = 90
b = 68.9	β = 90
c = 52.4	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	AREA DETECTOR	OIIF, DUBNA, RUSSIA	COLLIMATOR	1993-06-26	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE

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	1.76		98	0.062	0.058		4.2		11854		1	20.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.76	1.86	48

Refinement

Statistics
Diffraction ID	Structure Solution 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	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 1PP2	1.76	6	2.5	9825		98	0.155	0.155		24.7

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	22.25
x_angle_deg	1.66
x_improper_angle_d	1.55
x_bond_d	0.012
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
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	947
Nucleic Acid Atoms
Solvent Atoms	116
Heterogen Atoms

Software

Software
Software Name	Purpose
LOCAL	data collection
BLANC	data reduction
X-PLOR	model building
X-PLOR	refinement
IN-HOUSE	data reduction
BLANC	data scaling
X-PLOR	phasing