9KKN | pdb_00009kkn

Cryo-EM structure of human VAChT in complex with ACh

PDB DOI: https://doi.org/10.2210/pdb9KKN/pdb
EM Map EMD-62393: EMDB EMDataResource

Classification: TRANSPORT PROTEIN
Organism(s): Escherichia coli, Homo sapiens
Expression System: Homo sapiens
Mutation(s): Yes

Deposited: 2024-11-14 Released: 2026-05-27
Deposition Author(s): Zhang, W., Wei, F., Zhang, Y.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.72 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9KKN

This is version 1.0 of the entry. See complete history.

Literature

Cryo-EM structure of human VAChT in complex with ACh

Zhang, W., Wei, F., Zhang, Y.

To be published.

Macromolecule Content

Total Structure Weight: 69.47 kDa
Atom Count: 3,039
Modeled Residue Count: 404
Deposited Residue Count: 637
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Soluble cytochrome b562,Vesicular acetylcholine transporter	A	637	Escherichia coli, Homo sapiens This entity is chimeric	Mutation(s): 3 Gene Names: cybC, SLC18A3, VACHT
UniProt & NIH Common Fund Data Resources
Find proteins for P0ABE7 (Escherichia coli) Explore P0ABE7 Go to UniProtKB: P0ABE7
Find proteins for Q16572 (Homo sapiens) Explore Q16572 Go to UniProtKB: Q16572
PHAROS: Q16572 GTEx: ENSG00000187714
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Groups	P0ABE7 Q16572
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ACH (Subject of Investigation/LOI) Query on ACH Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	ACETYLCHOLINE C₇ H₁₆ N O₂ OIPILFWXSMYKGL-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.72 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-05-27

Deposition Author(s):

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

Revision History (Full details and data files)

Version 1.0: 2026-05-27
Type: Initial release

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.