1EST | pdb_00001est

THE ATOMIC STRUCTURE OF CRYSTALLINE PORCINE PANCREATIC ELASTASE AT 2.5 ANGSTROMS RESOLUTION. COMPARISONS WITH THE STRUCTURE OF ALPHA-CHYMOTRYPSIN

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.5	α = 90
b = 58	β = 90
c = 75.5	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

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION		2.5

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	1822
Nucleic Acid Atoms
Solvent Atoms	25
Heterogen Atoms	11