9EIE | pdb_00009eie

Trypanosomatid-specific protein of unknown function

• PDB DOI: https://doi.org/10.2210/pdb9EIE/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Trypanosoma cruzi
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-11-25 Released: 2025-02-26 
• Deposition Author(s): Merritt, E.A., Structural Genomics of Pathogenic Protozoa Consortium (SGPP)
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 
  0.231 (Depositor), 0.229 (DCC) 
• R-Value Work: 
  0.203 (Depositor), 0.208 (DCC) 

Starting Model: in silico

Literature

Prediction and determination of a Structure Genomics target after 20 years

Merritt, E.A., Anderson, L., Boni, E., Buckner, F.S., Earnest, T.N., Hol, W.G., Holmes, M.A., Kim, D., Mehlin, C., Neely, H., Van Voorhis, W.C., Zucker, F.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 47.55 kDa 
• Atom Count: 2,774 
• Modeled Residue Count: 332 
• Deposited Residue Count: 416 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Trypanosomatid-specific protein of unknown function	A, B	208	Trypanosoma cruzi	Mutation(s): 0  Gene Names: Tc00.1047053506679.130
UniProt
Find proteins for Q4E090 (Trypanosoma cruzi (strain CL Brener)) Explore Q4E090  Go to UniProtKB:  Q4E090

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	D [auth A], F [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
K	C [auth A], E [auth B]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free:  0.231 (Depositor), 0.229 (DCC) 
• R-Value Work:  0.203 (Depositor), 0.208 (DCC) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 110.225	α = 90
b = 71.647	β = 94.616
c = 67.084	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
PHASER	phasing
DENZO	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-02-26 
Deposition Author(s): Merritt, E.A., Structural Genomics of Pathogenic Protozoa Consortium (SGPP)

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-02-26
  Type: Initial release