9YON | pdb_00009yon

Crystal structure of Prolyl-tRNA synthetase (ProRS, Proline--tRNA ligase) from Plasmodium falciparum in complex with inhibitor YNW69

PDB DOI: https://doi.org/10.2210/pdb9YON/pdb

Classification: LIGASE
Organism(s): Plasmodium falciparum 3D7
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2025-10-13 Released: 2025-10-22
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)
Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID), National Institutes of Health/Office of the Director

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.43 Å
R-Value Free:
0.233 (Depositor), 0.237 (DCC)
R-Value Work:
0.201 (Depositor), 0.205 (DCC)
R-Value Observed:
0.203 (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

Crystal structure of Prolyl-tRNA synthetase (ProRS, Proline--tRNA ligase) from Plasmodium falciparum in complex with inhibitor YNW69

Liu, L., Lovell, S., Seibold, S., Battaile, K.P.

To be published.

Macromolecule Content

Total Structure Weight: 60.05 kDa
Atom Count: 4,017
Modeled Residue Count: 493
Deposited Residue Count: 506
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Proline--tRNA ligase	A	506	Plasmodium falciparum 3D7	Mutation(s): 0 Gene Names: proRS, PFL0670c EC: 6.1.1.15
UniProt
Find proteins for Q8I5R7 (Plasmodium falciparum (isolate 3D7)) Explore Q8I5R7 Go to UniProtKB: Q8I5R7
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q8I5R7
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1CYM (Subject of Investigation/LOI) Query on A1CYM Download:Ideal Coordinates CCD File SDF format, chain L [auth A] MOL2 format, chain L [auth A] mmCIF format, chain L [auth A]	L [auth A]	N-[(3M)-3-(4-aminothieno[3,2-d]pyrimidin-6-yl)benzene-1-sulfonyl]-L-prolinamide C₁₇ H₁₇ N₅ O₃ S₂ CYQWGKZIYYOYCD-LBPRGKRZSA-N		Interactions Focus chain L [auth A] Interactions & Density Focus chain L [auth A]
SO4 Query on SO4 Download:Ideal Coordinates CCD File SDF format, chain G [auth A] SDF format, chain H [auth A] SDF format, chain I [auth A] SDF format, chain J [auth A] SDF format, chain K [auth A] MOL2 format, chain G [auth A] MOL2 format, chain H [auth A] MOL2 format, chain I [auth A] MOL2 format, chain J [auth A] MOL2 format, chain K [auth A] mmCIF format, chain G [auth A] mmCIF format, chain H [auth A] mmCIF format, chain I [auth A] mmCIF format, chain J [auth A] mmCIF format, chain K [auth A]	G [auth A], H [auth A], I [auth A], J [auth A], K [auth A]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain K [auth A] Interactions & Density Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain K [auth A]
CL Query on CL Download:Ideal Coordinates CCD File SDF format, chain B [auth A] SDF format, chain C [auth A] SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain F [auth A] MOL2 format, chain B [auth A] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain F [auth A] mmCIF format, chain B [auth A] mmCIF format, chain C [auth A] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A] mmCIF format, chain F [auth A]	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain B [auth A] Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Interactions & Density Focus chain B [auth A] Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.43 Å
R-Value Free: 0.233 (Depositor), 0.237 (DCC)
R-Value Work: 0.201 (Depositor), 0.205 (DCC)
R-Value Observed: 0.203 (Depositor)

Diffraction Data:

Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 106.66	α = 90
b = 106.66	β = 90
c = 185.48	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing
PDB_EXTRACT	data extraction

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

& Funding Information

Deposition Data

Released Date: 2025-10-22

Deposition Author(s):

Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	75N93022C00036
National Institutes of Health/Office of the Director	United States	S10OD030394