1PPA

THE CRYSTAL STRUCTURE OF A LYSINE 49 PHOSPHOLIPASE A2 FROM THE VENOM OF THE COTTONMOUTH SNAKE AT 2.0 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.53	α = 90
b = 71.53	β = 90
c = 57.59	γ = 90

Symmetry
Space Group	P 41 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

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		2	10	10003			0.157

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	969
Nucleic Acid Atoms
Solvent Atoms	151
Heterogen Atoms	7

Software

Software
Software Name	Purpose
CEDAR	refinement

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.