9FSC | pdb_00009fsc

The structure of ornithine decarboxylase from Leishmania infantum

• PDB DOI: https://doi.org/10.2210/pdb9FSC/pdb

• Classification: LYASE
• Organism(s): Leishmania infantum
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-06-20 Released: 2025-07-02 
• Deposition Author(s): Fiorillo, A., Ilari, A., Antonelli, L.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.27 Å
• R-Value Free: 
  0.273 (Depositor), 0.255 (DCC) 
• R-Value Work: 
  0.235 (Depositor), 0.224 (DCC) 
• R-Value Observed: 
  0.237 (Depositor) 

Starting Model: experimental

Literature

The structure of ornithine decarboxylase from Leishmania infantum

Fiorillo, A., Ilari, A., Antonelli, L.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 79.67 kDa 
• Atom Count: 3,580 
• Modeled Residue Count: 442 
• Deposited Residue Count: 727 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ornithine decarboxylase	A	727	Leishmania infantum	Mutation(s): 0  Gene Names: LINJ.12.0100 EC: 4.1.1.17
UniProt
Find proteins for E9AGB5 (Leishmania infantum) Explore E9AGB5  Go to UniProtKB:  E9AGB5

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	B [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.27 Å
• R-Value Free:  0.273 (Depositor), 0.255 (DCC) 
• R-Value Work:  0.235 (Depositor), 0.224 (DCC) 
• R-Value Observed: 0.237 (Depositor) 

Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 119.22	α = 90
b = 119.22	β = 90
c = 85.47	γ = 120

Software Package:

Software Name	Purpose
BUSTER	refinement
XDS	data reduction
STARANISO	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-07-02 
Deposition Author(s): Fiorillo, A., Ilari, A., Antonelli, L.

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Funding Organization	Location	Grant Number
Other government	Italy	--

Revision History  

• Version 1.0: 2025-07-02
  Type: Initial release