1LVY

PORCINE ELASTASE

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3EST	PDB ENTRY 3EST

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		CRYSTALLIZED IN NA2SO4 SOLUTION, pH 5.5

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.637	α = 90
b = 57.973	β = 90
c = 75.32	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	295	'BLACK BOX' PROTOTYPE IMAGE PLATE	J.HENDRIX,A.LENTFER	IR-COATED CYLINDRICAL MIR	1995-07-14	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LURE BEAMLINE DW21B		LURE	DW21B

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	1.87	30.4	92.9	0.022	121	4.2		17752		3	14.75

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)
	1.87	1.97	78.6		0.05	63.9	3.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	Mean Isotropic B
X-RAY DIFFRACTION	SIRAS	FREE-R	PDB ENTRY 3EST	1.87	10	17752	17598	880	93	0.206	0.185	0.187	0.229	15.13

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	21.9
p_staggered_tor	17.3
p_scangle_it	5.27
p_scbond_it	3.41
p_mcangle_it	3.01
p_planar_tor	2.9
p_mcbond_it	2.31
p_multtor_nbd	0.293
p_xyhbond_nbd	0.216
p_chiral_restr	0.19
p_singtor_nbd	0.183
p_angle_d	0.053
p_planar_d	0.051
p_bond_d	0.02
p_plane_restr	0.017
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1822
Nucleic Acid Atoms
Solvent Atoms	79
Heterogen Atoms	6

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
SHARP	phasing
PROLSQ	refinement
CCP4	data scaling