1UNE

CARBOXYLIC ESTER HYDROLASE, 1.5 ANGSTROM ORTHORHOMBIC FORM OF THE BOVINE RECOMBINANT PLA2

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1BP2	WILD TYPE (PDB ENTRY 1BP2)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2		CRYSTALS WERE GROWN BY CO-CRYSTALLIZATION BY THE HANGING DROP VAPOR DIFFUSION METHOD USING THE CONDITIONS 5 (MICRO)L OF THE PROTEIN (15 MG/ML OF THE PROTEIN), 5MM CACL2, 50MM TRIS BUFFER, PH 7.2 AND 3.0 (MICRO)L OF 50% MPD IN THE DROPLET. THE RESERVOIR CONTAINED (50%) OF MPD., vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.12	α = 90
b = 64.59	β = 90
c = 38.14	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	291	IMAGE PLATE	RIGAKU RAXIS IIC		1996-01-26	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU R-AXIS II

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	1.5	10	92	0.046		3		17572

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)
	1.5	1.55	63		0.172		3.7

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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	THE HIGH RESOLUTION ATOMIC COORDINATES OF THE WILD TYPE (PDB ENTRY 1BP2) WERE USED AS THE STARTING MODEL FOR REFINEMENT.	WILD TYPE (PDB ENTRY 1BP2)	1.5	10	1	17572	1198	92	0.184	0.184	0.228	X-PLOR

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	21.6
x_angle_deg	1.78
x_improper_angle_d	1.31
x_bond_d	0.009
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	134
Heterogen Atoms	1

Software

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