8U5C

The mTORC1 cholesterol sensor LYCHOS (GPR155) with cholesterol

• PDB DOI: https://doi.org/10.2210/pdb8U5C/pdb
• EM Map EMD-41916: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 
• Membrane Protein: Yes  PDBTM


• Deposited: 2023-09-12 Released: 2024-09-18 
• Deposition Author(s): Bayly-Jones, C., Lupton, C.J., Ellisdon, A.M.
• Funding Organization(s): Australian Research Council (ARC), Other government, Department of Defense (DOD, United States)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.68 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: in silico

Literature

The structure of GPR155

Bayly-Jones, C., Lupton, C.J., Chang, Y.G., Keen, A.C., Jones, G.D., Venugopal, H., Halls, M.L., Ellisdon, A.M.

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 (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 200.29 kDa 
• Atom Count: 9,032 
• Modelled Residue Count: 1,150 
• Deposited Residue Count: 1,780 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Integral membrane protein GPR155	A [auth E], B [auth F]	890	Homo sapiens	Mutation(s): 0  Gene Names: GPR155 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q7Z3F1 (Homo sapiens) Explore Q7Z3F1  Go to UniProtKB:  Q7Z3F1
PHAROS:  Q7Z3F1 GTEx:  ENSG00000163328

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
Y01 (Subject of Investigation/LOI)	C [auth E], D [auth E], E [auth F], F	CHOLESTEROL HEMISUCCINATE C31 H50 O4 WLNARFZDISHUGS-MIXBDBMTSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.68 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1
RECONSTRUCTION	cryoSPARC	4.1.1

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-09-18 
Deposition Author(s): Bayly-Jones, C., Lupton, C.J., Ellisdon, A.M.

---

Funding Organization	Location	Grant Number
Australian Research Council (ARC)	Australia	DE240100992
Other government	Australia	MCRF21036
Department of Defense (DOD, United States)	United States	W81XWH-19-1-0182

Revision History  

• Version 1.0: 2024-09-18
  Type: Initial release