9QRT | pdb_00009qrt

FSP1 (tetrapod ancestor; L323A mutant) bound to FAD and NAD+ and compound 2

PDB DOI: https://doi.org/10.2210/pdb9QRT/pdb

Classification: OXIDOREDUCTASE
Organism(s): Mammalia
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-04-04 Released: 2026-04-15
Deposition Author(s): Cecchini, D., Mattevi, A.
Funding Organization(s): European Research Council (ERC), Italian Association for Cancer Research

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.40 Å
R-Value Free:
0.279 (Depositor), 0.280 (DCC)
R-Value Work:
0.216 (Depositor), 0.225 (DCC)
R-Value Observed:
0.219 (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

Best-in-Class FSP1 Inhibitors Unraveled By AI-Enhanced Adaptive Screening Platform

Cecchini, D., Mattevi, A.

To be published.

Macromolecule Content

Total Structure Weight: 82.92 kDa
Atom Count: 5,923
Modeled Residue Count: 729
Deposited Residue Count: 736
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
FSP1 (tetrapod ancestor; L323A mutant) bound to FAD and NAD+ and compound 2	A, B	368	Mammalia	Mutation(s): 0

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
FAD Query on FAD Download:Ideal Coordinates CCD File SDF format, chain G [auth B] SDF format, chain C [auth A] MOL2 format, chain G [auth B] MOL2 format, chain C [auth A] mmCIF format, chain G [auth B] mmCIF format, chain C [auth A]	C [auth A], G [auth B]	FLAVIN-ADENINE DINUCLEOTIDE C₂₇ H₃₃ N₉ O₁₅ P₂ VWWQXMAJTJZDQX-UYBVJOGSSA-N		Interactions Focus chain C [auth A] Focus chain G [auth B] Interactions & Density Focus chain C [auth A] Focus chain G [auth B]
NAD Query on NAD Download:Ideal Coordinates CCD File SDF format, chain H [auth B] SDF format, chain D [auth A] MOL2 format, chain H [auth B] MOL2 format, chain D [auth A] mmCIF format, chain H [auth B] mmCIF format, chain D [auth A]	D [auth A], H [auth B]	NICOTINAMIDE-ADENINE-DINUCLEOTIDE C₂₁ H₂₇ N₇ O₁₄ P₂ BAWFJGJZGIEFAR-NNYOXOHSSA-N		Interactions Focus chain D [auth A] Focus chain H [auth B] Interactions & Density Focus chain D [auth A] Focus chain H [auth B]
A1I9W (Subject of Investigation/LOI) Query on A1I9W Download:Ideal Coordinates CCD File SDF format, chain E [auth A] MOL2 format, chain E [auth A] mmCIF format, chain E [auth A]	E [auth A]	~{N}-[[2-[(3-phenyl-1,2-oxazol-5-yl)carbonyl]-1,3-dihydroisoindol-5-yl]methyl]cyclohept-4-ene-1-carboxamide C₂₇ H₂₇ N₃ O₃ MFVDGNSDVQIQIF-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Interactions & Density Focus chain E [auth A]
CA Query on CA Download:Ideal Coordinates CCD File SDF format, chain F [auth A] MOL2 format, chain F [auth A] mmCIF format, chain F [auth A]	F [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Interactions & Density Focus chain F [auth A]