5F3O

Crystal structure of EhRNaseIII229 from Entamoeba histolytica complexed with Mn2+

• PDB DOI: https://doi.org/10.2210/pdb5F3O/pdb

• Classification: RNA BINDING PROTEIN
• Organism(s): Entamoeba histolytica
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2015-12-03 Released: 2016-12-28 
• Deposition Author(s): Yu, X., Gan, J.H., Ma, J.B.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free: 0.240 
• R-Value Work: 0.197 
• R-Value Observed: 0.199 

Literature

Structural and functional study of a noncanonical Dicer protein in Entamoeba histolytica

Yu, X., Gan, J.H., Ma, J.B.

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 and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 46.09 kDa 
• Atom Count: 3,287 
• Modelled Residue Count: 383 
• Deposited Residue Count: 390 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative uncharacterized protein	A, B	195	Entamoeba histolytica	Mutation(s): 0  Gene Names: EHI_068740
UniProt
Find proteins for C4LU64 (Entamoeba histolytica (strain ATCC 30459 / HM-1:IMSS / ABRM)) Explore C4LU64  Go to UniProtKB:  C4LU64

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], F [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
MN	D [auth B], E [auth B]	MANGANESE (II) ION Mn WAEMQWOKJMHJLA-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free: 0.240 
• R-Value Work: 0.197 
• R-Value Observed: 0.199 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.329	α = 90
b = 89.729	β = 90
c = 100.196	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data processing
Coot	model building
PHENIX	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-12-28 
Deposition Author(s): Yu, X., Gan, J.H., Ma, J.B.

Revision History  

• Version 1.0: 2016-12-28
  Type: Initial release
  
• Version 1.1: 2024-03-20
  Changes: Data collection, Database references