1k8k

X-ray diffraction
2Å resolution

Crystal Structure of Arp2/3 Complex

Released:
Source organism: Bos taurus
Primary publication:
Crystal structure of Arp2/3 complex.
Science 294 1679-84 (2001)
PMID: 11721045

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero heptamer (preferred)
Entry contents:
7 distinct polypeptide molecules
Macromolecules (7 distinct):
Actin-related protein 3 Chain: A
Molecule details ›
Chain: A
Length: 418 amino acids
Theoretical weight: 47.43 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P61157 (Residues: 1-418; Coverage: 100%)
Gene names: ACTR3, ARP3
Structure domains:
Actin-related protein 2 Chain: B
Molecule details ›
Chain: B
Length: 394 amino acids
Theoretical weight: 44.82 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: A7MB62 (Residues: 1-394; Coverage: 100%)
Gene names: ACTR2, ARP2
Structure domains:
Actin-related protein 2/3 complex subunit 1B Chain: C
Molecule details ›
Chain: C
Length: 372 amino acids
Theoretical weight: 41.02 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: Q58CQ2 (Residues: 1-372; Coverage: 100%)
Gene name: ARPC1B
Structure domains: YVTN repeat-like/Quinoprotein amine dehydrogenase
Actin-related protein 2/3 complex subunit 2 Chain: D
Molecule details ›
Chain: D
Length: 300 amino acids
Theoretical weight: 34.4 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: Q3MHR7 (Residues: 1-300; Coverage: 100%)
Gene name: ARPC2
Structure domains: Yope Regulator; Chain: A,
Actin-related protein 2/3 complex subunit 3 Chain: E
Molecule details ›
Chain: E
Length: 178 amino acids
Theoretical weight: 20.57 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: Q3T035 (Residues: 1-178; Coverage: 100%)
Gene name: ARPC3
Structure domains: Actin-related protein 2/3 complex subunit 3
Actin-related protein 2/3 complex subunit 4 Chain: F
Molecule details ›
Chain: F
Length: 168 amino acids
Theoretical weight: 19.7 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: Q148J6 (Residues: 1-168; Coverage: 100%)
Gene name: ARPC4
Structure domains: Yope Regulator; Chain: A,
Actin-related protein 2/3 complex subunit 5 Chain: G
Molecule details ›
Chain: G
Length: 151 amino acids
Theoretical weight: 16.3 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: Q3SYX9 (Residues: 1-151; Coverage: 100%)
Gene name: ARPC5
Structure domains: Actin-related protein 2/3 complex subunit 5

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: P212121
Unit cell:
a: 111.71Å b: 130.4Å c: 204.93Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.216 0.216 0.251