2ARM

Crystal Structure of the Complex of Phospholipase A2 with a natural compound atropine at 1.2 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	298	ammonium sulphate and PEG 4000, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.4	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.35	α = 90
b = 52.35	β = 90
c = 47.828	γ = 90

Symmetry
Space Group	P 43

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	200	CCD	MARRESEARCH	Mirorr	2004-04-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.80	EMBL/DESY, HAMBURG	X11

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.23	51.99	100			36667	36667

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	1.23	1.26	100

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.23	51.99	36667	36667	767	99.82	0.2	0.18909	0.18877	0.20444	RANDOM	14.146

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]
0.19			0.19		-0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	17.451
r_dihedral_angle_1_deg	3.975
r_scangle_it	2.164
r_angle_refined_deg	1.946
r_scbond_it	1.399
r_mcangle_it	1.191
r_angle_other_deg	0.79
r_mcbond_it	0.635
r_nbd_refined	0.435
r_symmetry_hbond_refined	0.235
r_nbd_other	0.213
r_chiral_restr	0.211
r_xyhbond_nbd_refined	0.21
r_symmetry_vdw_refined	0.2
r_symmetry_vdw_other	0.162
r_bond_refined_d	0.008
r_gen_planes_refined	0.006
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	943
Nucleic Acid Atoms
Solvent Atoms	247
Heterogen Atoms	41

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
AMoRE	phasing