1VAP

THE MONOMERIC ASP49 SECRETORY PHOSPHOLIPASE A2 FROM THE VENOM OF AGKISTRIDON PISCIVORUS PISCIVORUS

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
1.99	38.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.71	α = 94.17
b = 39.89	β = 79.1
c = 42.85	γ = 106.27

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		AREA DETECTOR	XUONG-HAMLIN MULTIWIRE		1990-12-04	M

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

Data Collection

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.6	10	1.5	21410			0.197		22.1

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
p_transverse_tor	30.9
p_staggered_tor	20.6
p_planar_tor	4.6
p_multtor_nbd	0.265
p_chiral_restr	0.213
p_singtor_nbd	0.165
p_planar_d	0.027
p_plane_restr	0.025
p_bond_d	0.01
p_angle_d
p_angle_deg
p_hb_or_metal_coord
p_mcbond_it
p_mcangle_it
p_scbond_it
p_scangle_it
p_xhyhbond_nbd
p_xyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1942
Nucleic Acid Atoms
Solvent Atoms	139
Heterogen Atoms

Software

Software
Software Name	Purpose
HAMLIN	data collection
X-PLOR	model building
PROFFT	refinement
X-PLOR	refinement
HAMLIN	data reduction
X-PLOR	phasing