21NP | pdb_000021np

Structure of human SLC37A4 bound to chlorogenic acid in a lipid nanodisc

PDB DOI: https://doi.org/10.2210/pdb21NP/pdb
EM Map EMD-67846: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Homo sapiens
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2025-12-21 Released: 2026-05-27
Deposition Author(s): Wei, X., Li, H.
Funding Organization(s): Ministry of Science and Technology (MoST, China)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.30 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 21NP

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

Literature

Structural basis for substrate recognition and inhibition of human glucose 6-phosphate transporter SLC37A4

Wei, X.

To be published.

Macromolecule Content

Total Structure Weight: 46.75 kDa
Atom Count: 3,244
Modeled Residue Count: 422
Deposited Residue Count: 429
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glucose-6-phosphate exchanger SLC37A4	A	429	Homo sapiens	Mutation(s): 0 Gene Names: SLC37A4, G6PT, G6PT1, PRO0685, TRG19
UniProt & NIH Common Fund Data Resources
Find proteins for O43826 (Homo sapiens) Explore O43826 Go to UniProtKB: O43826
PHAROS: O43826
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O43826
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1EG7 (Subject of Investigation/LOI) Query on A1EG7 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]	(1S,3R,4R,5R)-3-[(E)-3-[3,4-bis(oxidanyl)phenyl]prop-2-enoyl]oxy-1,4,5-tris(oxidanyl)cyclohexane-1-carboxylic acid C₁₆ H₁₈ O₉ CWVRJTMFETXNAD-JUHZACGLSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.30 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
RECONSTRUCTION	RELION	5

Structure Validation

View Full Validation Report

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
Ministry of Science and Technology (MoST, China)	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.