7YFX

Cryo-EM structure of Hili in complex with piRNA

• PDB DOI: https://doi.org/10.2210/pdb7YFX/pdb
• EM Map EMD-33800: EMDB EMDataResource
• NAKB: 7YFX

• Classification: RNA BINDING PROTEIN/RNA
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2022-07-09 Released: 2024-01-24 
• Deposition Author(s): Li, Z.Q., Liu, H.B., Wu, J.P., Shen, E.Z.
• Funding Organization(s): Other private

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Mammalian PIWI-piRNA-target complexes reveal features for broad and efficient target silencing

Li, Z.Q., Li, Z., Zhang, Y., Zhou, L., Xu, Q., Li, L., Zeng, L., Xue, J., Niu, H., Zhong, J., Yu, Q., Li, D., Gui, M., Huang, Y., Tu, S., Zhang, Z., Song, C.-Q., Wu, J., Shen, E.-S.

(2024) Nat Struct Mol Biol 

• DOI: https://doi.org/10.1038/s41594-024-01287-6

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 122.72 kDa 
• Atom Count: 6,319 
• Modelled Residue Count: 761 
• Deposited Residue Count: 1,037 
• Unique protein chains: 1
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Piwi-like protein 2	A	1,011	Homo sapiens	Mutation(s): 0  Gene Names: PIWIL2, HILI EC: 3.1.26
UniProt & NIH Common Fund Data Resources
Find proteins for Q8TC59 (Homo sapiens) Explore Q8TC59  Go to UniProtKB:  Q8TC59
PHAROS:  Q8TC59 GTEx:  ENSG00000197181

Entity ID: 2
Molecule	Chains	Length	Organism	Image
piRNA	B	26	Homo sapiens

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	C [auth A], D [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-01-24 
Deposition Author(s): Li, Z.Q., Liu, H.B., Wu, J.P., Shen, E.Z.

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Funding Organization	Location	Grant Number
Other private	China	Westlake Education Foundation (101486021901)

Revision History  

• Version 1.0: 2024-01-24
  Type: Initial release
  
• Version 1.1: 2024-05-01
  Changes: Database references