9JU6 | pdb_00009ju6

Tribolium castaneum ABCH-9C in complex with NBD-ceramide(d36:1)

• PDB DOI: https://doi.org/10.2210/pdb9JU6/pdb
• EM Map EMD-61821: EMDB EMDataResource

• Classification: TRANSPORT PROTEIN
• Organism(s): Tribolium castaneum
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2024-10-07 Released: 2025-10-22 
• Deposition Author(s): Chen, J., Duan, Y., Zhou, Y., Yang, Q.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.02 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural basis of ceramide transportation and its regulation by ABCH transporter

Chen, J., Duan, Y., Zhou, Y., Yang, Q.

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: electron microscopy

Macromolecule Content 

• Total Structure Weight: 177.8 kDa 
• Atom Count: 10,225 
• Modeled Residue Count: 1,284 
• Deposited Residue Count: 1,584 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ABC transporter G family member 23-like Protein	A, B	792	Tribolium castaneum	Mutation(s): 0  Gene Names: AUGUSTUS-3.0.2_34444, TcasGA2_TC034444
UniProt
Find proteins for A0A139WBS7 (Tribolium castaneum) Explore A0A139WBS7  Go to UniProtKB:  A0A139WBS7

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1D7S (Subject of Investigation/LOI)	D [auth A], E [auth B]	[(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-[(5~{Z},8~{Z},11~{E},14~{E},17~{Z})-icosa-5,8,11,14,17-pentaenoxy]propan-2-yl] octadecanoate C43 H78 N O7 P BCVRSQNGADAZKS-GZACMAKJSA-N
A1EC8 (Subject of Investigation/LOI)	C [auth A]	~{N}-[(~{E},2~{S},3~{R})-18-[(4-nitro-2,1,3-benzoxadiazol-7-yl)amino]-1,3-bis(oxidanyl)octadec-4-en-2-yl]octadecanamide C42 H73 N5 O6 VBDLKCVULNLCGA-HVRWNUQKSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.02 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487:

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-10-22 
Deposition Author(s): Chen, J., Duan, Y., Zhou, Y., Yang, Q.

---

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32161133010

Revision History  

• Version 1.0: 2025-10-22
  Type: Initial release