7E1A

Human bile salt exporter ABCB11 in complex with taurocholate

• PDB DOI: https://doi.org/10.2210/pdb7E1A/pdb
• EM Map EMD-30938: EMDB EMDataResource

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


• Deposited: 2021-02-01 Released: 2022-02-09 
• Deposition Author(s): Wang, L., How, W.T., Chen, Y.
• Funding Organization(s): Ministry of Science and Technology (MoST, China)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.66 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structures of human bile acid exporter ABCB11 reveal a transport mechanism facilitated by two tandem substrate-binding pockets.

Wang, L., Hou, W.T., Wang, J., Xu, D., Guo, C., Sun, L., Ruan, K., Zhou, C.Z., Chen, Y.

(2022) Cell Res 32: 501-504

• PubMed: 35043010 
• DOI: https://doi.org/10.1038/s41422-021-00611-9
• Primary Citation of Related Structures:  
  7DV5, 7E1A

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Organizational Affiliation: 

The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 147.07 kDa 
• Atom Count: 9,284 
• Modelled Residue Count: 1,189 
• Deposited Residue Count: 1,321 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bile salt export pump	A [auth U]	1,321	Homo sapiens	Mutation(s): 0  Gene Names: ABCB11, BSEP EC: 7.6.2 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for O95342 (Homo sapiens) Explore O95342  Go to UniProtKB:  O95342
PHAROS:  O95342 GTEx:  ENSG00000073734

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TCH (Subject of Investigation/LOI)	B [auth U]	TAUROCHOLIC ACID C26 H45 N O7 S WBWWGRHZICKQGZ-HZAMXZRMSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.66 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	3.2

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-02-09 
Deposition Author(s): Wang, L., How, W.T., Chen, Y.

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Funding Organization	Location	Grant Number
Ministry of Science and Technology (MoST, China)	China	2019YFA0508500

Revision History  

• Version 1.0: 2022-02-09
  Type: Initial release
  
• Version 1.1: 2022-04-06
  Changes: Database references
• Version 1.2: 2022-05-18
  Changes: Database references
• Version 1.3: 2024-06-05
  Changes: Data collection