8B04

STRUCTURE OF PORCINE PANCREATIC ELASTASE BOUND TO A FRAGMENT OF AN ISOXAZOLONE INHIBITOR

• PDB DOI: https://doi.org/10.2210/pdb8B04/pdb

• Classification: LYASE
• Organism(s): Sus scrofa
• Mutation(s): No 


• Deposited: 2022-09-07 Released: 2023-09-20 
• Deposition Author(s): Ferraroni, M., Giovannoni, P., Masini, V.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.188 
• R-Value Work: 0.172 
• R-Value Observed: 0.173 

Literature

X-ray structural study of human neutrophil elastase inhibition with a series of azaindoles, azaindazoles and isoxazolones

Gerace, A., Masini, V., Crocetti, L., Giovannoni, M.P., Ferraroni, M.

(2023) J Mol Struct 1274: 134595

• DOI: https://doi.org/10.1016/j.molstruc.2022.134595

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 29.24 kDa 
• Atom Count: 1,946 
• Modelled Residue Count: 240 
• Deposited Residue Count: 266 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chymotrypsin-like elastase family member 1	A	266	Sus scrofa	Mutation(s): 0  EC: 3.4.21.36
UniProt
Find proteins for P00772 (Sus scrofa) Explore P00772  Go to UniProtKB:  P00772

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
OU0 (Subject of Investigation/LOI)	D [auth A]	2-cyclopropylcarbonyl-3-propan-2-yl-1,2-oxazol-5-one C10 H13 N O3 MMPUYLPCMYQJRV-UHFFFAOYSA-N
DMS	B [auth A], C [auth A]	DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N
CA	E [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.188 
• R-Value Work: 0.172 
• R-Value Observed: 0.173 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.22	α = 90
b = 58.64	β = 90
c = 74.91	γ = 90

Software Package:

Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
REFMAC	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-09-20 
Deposition Author(s): Ferraroni, M., Giovannoni, P., Masini, V.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2023-09-20
  Type: Initial release