3AAE

Crystal structure of Actin capping protein in complex with CARMIL fragment

• PDB DOI: https://doi.org/10.2210/pdb3AAE/pdb

• Classification: PROTEIN BINDING
• Organism(s): Gallus gallus, Mus musculus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-11-16 Released: 2010-11-17 
• Deposition Author(s): Takeda, S., Minakata, S., Narita, A., Kitazawa, M., Yamakuni, T., Maeda, Y., Nitanai, Y.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.30 Å
• R-Value Free: 0.271 
• R-Value Work: 0.243 
• R-Value Observed: 0.245 

Starting Model: experimental

Literature

Two distinct mechanisms for the regulation of actin capping protein-competitive or allosteric inhibitions

Takeda, S., Minakata, S., Narita, A., Kitazawa, M., Yamakuni, T., Maeda, Y., Nitanai, Y.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 3-mer - A2B1 

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

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 3-mer - A2B1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 3-mer - A2B1 

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 3-mer - A2B1 

Biological assembly 4 assigned by authors and generated by PISA (software)

Biological Assembly 5  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 3-mer - A2B1 

Biological assembly 5 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 342.86 kDa 
• Atom Count: 22,177 
• Modelled Residue Count: 2,758 
• Deposited Residue Count: 3,000 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
F-actin-capping protein subunit alpha-1	A, C, E, G, I	286	Gallus gallus	Mutation(s): 0  Gene Names: CAPZA1
UniProt
Find proteins for P13127 (Gallus gallus) Explore P13127  Go to UniProtKB:  P13127

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
F-actin-capping protein subunit beta isoforms 1 and 2	B, D, F, H, J	277	Gallus gallus	Mutation(s): 0  Gene Names: CAPZB
UniProt
Find proteins for P14315 (Gallus gallus) Explore P14315  Go to UniProtKB:  P14315

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
32mer peptide from Leucine-rich repeat-containing protein 16A	K [auth X], L [auth Y], M [auth Z], N [auth W], O [auth V]	37	Mus musculus	Mutation(s): 0  Gene Names: Lrrc16a
UniProt
Find proteins for Q6EDY6 (Mus musculus) Explore Q6EDY6  Go to UniProtKB:  Q6EDY6

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.30 Å
• R-Value Free: 0.271 
• R-Value Work: 0.243 
• R-Value Observed: 0.245 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 231.153	α = 90
b = 104.358	β = 119.09
c = 186.633	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
DPS	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-11-17 
Deposition Author(s): Takeda, S., Minakata, S., Narita, A., Kitazawa, M., Yamakuni, T., Maeda, Y., Nitanai, Y.

Revision History  

• Version 1.0: 2010-11-17
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Refinement description