1MKV

CARBOXYLIC ESTER HYDROLASE COMPLEX (PLA2 + TRANSITION STATE ANALOG COMPLEX)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5		CRYSTALS WERE GROWN BY CO-CRYSTALLIZATION BY THE HANGING DROP VAPOR DIFFUSION METHOD USING THE CONDITIONS 5 (MICRO)L OF THE MUTANT PROTEIN (20MG/ML OF THE PROTEIN), 5MM CACL2, 50MM TRIS BUFFER, PH 7.2 AND 2.5 (MICRO)L OF 75% MPD AND 2.0 (MICRO)L OF (2MM) IN THE DROPLET. THE RESERVOIR CONTAINED (50%) OF MPD., pH 7.5, vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.58	α = 90
b = 46.58	β = 90
c = 102.91	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	291		SIEMENS		1995-11-08	M

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.89	15	8	0.071		5		8758

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.89	2.01			0.434

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	THE HIGH RESOLUTION ATOMIC COORDINATES OF THE WILD TYPE	WILD TYPE	1.89	8	2	8758		72	0.18	0.18

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	22.7
x_improper_angle_d	3.6
x_angle_deg	1.87
x_bond_d	0.014
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	957
Nucleic Acid Atoms
Solvent Atoms	88
Heterogen Atoms	32

Software

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