9JW0 | pdb_00009jw0

Structure of the N-terminal 3 domains (V1-V3) villin bound to actin

• PDB DOI: https://doi.org/10.2210/pdb9JW0/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Paralvinella sulfincola, Gallus gallus
• Expression System: Escherichia coli, Gallus gallus
• Mutation(s): No 


• Deposited: 2024-10-09 Released: 2025-10-15 
• Deposition Author(s): Robinson, R.C.
• Funding Organization(s): Other private, Human Frontier Science Program (HFSP)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.69 Å
• R-Value Free: 
  0.259 (Depositor), 0.255 (DCC) 
• R-Value Work: 
  0.203 (Depositor), 0.204 (DCC) 

Starting Model: experimental

Literature

Structure of the N-terminal 3 domains (V1-V3) villin bound to actin

Robinson, R.C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 88.05 kDa 
• Atom Count: 5,731 
• Modeled Residue Count: 706 
• Deposited Residue Count: 777 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Villin	A	400	Paralvinella sulfincola	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Actin, alpha skeletal muscle	B	377	Gallus gallus	Mutation(s): 0  Gene Names: ACTA1, ACTA EC: 3.6.4
UniProt
Find proteins for P68139 (Gallus gallus) Explore P68139  Go to UniProtKB:  P68139

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ATP (Subject of Investigation/LOI)	G [auth B]	ADENOSINE-5'-TRIPHOSPHATE C10 H16 N5 O13 P3 ZKHQWZAMYRWXGA-KQYNXXCUSA-N
CA (Subject of Investigation/LOI)	C [auth A], D [auth A], E [auth A], F [auth A], H [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.69 Å
• R-Value Free:  0.259 (Depositor), 0.255 (DCC) 
• R-Value Work:  0.203 (Depositor), 0.204 (DCC) 

Space Group: P 2 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 84.71	α = 90
b = 93.762	β = 90
c = 114.323	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-10-15 
Deposition Author(s): Robinson, R.C.

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Funding Organization	Location	Grant Number
Other private	United States	Moore-Simons GBMF9743
Human Frontier Science Program (HFSP)	France	RGP0028/2018

Revision History  

• Version 1.0: 2025-10-15
  Type: Initial release