32SH | pdb_000032sh

Crystal structure of YTHDF2 in complex with compound 4 (FE-462)

PDB DOI: https://doi.org/10.2210/pdb32SH/pdb

Classification: RNA BINDING PROTEIN
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2026-07-22 Released: 2026-11-11
Deposition Author(s): Nai, F., Errani, F., Caflisch, A.
Funding Organization(s): Swiss National Science Foundation

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.61 Å
R-Value Free:
0.220 (Depositor), 0.223 (DCC)
R-Value Work:
0.203 (Depositor), 0.205 (DCC)
R-Value Observed:
0.204 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

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

Literature

Structure-Based Design of Potent Pan-YTHDF Ligands

Errani, F., Nai, F., Bochenkova, E., Herok, M., Invernizzi, A., Bedi, R.K., Li, Y., Zalesak, F., Caflisch, A.

(2026) J Med Chem

DOI: https://doi.org/10.1021/acs.jmedchem.6c02977

Macromolecule Content

Total Structure Weight: 39.86 kDa
Atom Count: 2,692
Modeled Residue Count: 301
Deposited Residue Count: 334
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
YTH domain-containing family protein 2	A, B	167	Homo sapiens	Mutation(s): 0 Gene Names: YTHDF2, HGRG8
UniProt & NIH Common Fund Data Resources
Find proteins for Q9Y5A9 (Homo sapiens) Explore Q9Y5A9 Go to UniProtKB: Q9Y5A9
PHAROS: Q9Y5A9 GTEx: ENSG00000198492
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9Y5A9
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1KFA (Subject of Investigation/LOI) Query on A1KFA Download:Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain J [auth B] MOL2 format, chain C [auth A] MOL2 format, chain J [auth B] mmCIF format, chain C [auth A] mmCIF format, chain J [auth B]	C [auth A], J [auth B]	6-ethyl-2,7-dihydropyrazolo[3,4-b]pyridin-4-one C₈ H₉ N₃ O OCYGILHAFAZOSC-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain J [auth B] Interactions & Density Focus chain C [auth A] Focus chain J [auth B]
SO4 Query on SO4 Download:Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain H [auth A] SDF format, chain K [auth B] SDF format, chain L [auth B] SDF format, chain M [auth B] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain H [auth A] MOL2 format, chain K [auth B] MOL2 format, chain L [auth B] MOL2 format, chain M [auth B] mmCIF format, chain F [auth A] mmCIF format, chain G [auth A] mmCIF format, chain H [auth A] mmCIF format, chain K [auth B] mmCIF format, chain L [auth B] mmCIF format, chain M [auth B]	F [auth A] G [auth A] H [auth A] K [auth B] L [auth B] F [auth A], G [auth A], H [auth A], K [auth B], L [auth B], M [auth B]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Focus chain K [auth B] Focus chain L [auth B] Focus chain M [auth B] Interactions & Density Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Focus chain K [auth B] Focus chain L [auth B] Focus chain M [auth B]
GOL Query on GOL Download:Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain E [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A]	D [auth A], E [auth A]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain E [auth A] Interactions & Density Focus chain D [auth A] Focus chain E [auth A]
CL Query on CL Download:Ideal Coordinates CCD File SDF format, chain I [auth A] MOL2 format, chain I [auth A] mmCIF format, chain I [auth A]	I [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain I [auth A] Interactions & Density Focus chain I [auth A]