Biological Assembly 1  

 3D View: Structure | Electron Density

Global Symmetry: Cyclic - C2  (3D View)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 55.14 kDa 
• Atom Count: 3708 
• Residue Count: 476 
• Unique protein chains: 1

1LM7

Structures of two intermediate filament-binding fragments of desmoplakin reveal a unique repeat motif structure

• DOI: 10.2210/pdb1LM7/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2002-04-30 Released: 2002-07-31 
• Deposition Author(s): Choi, H.J., Park-Snyder, S., Pascoe, L.T., Green, K.J., Weis, W.I.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.296 
• R-Value Work: 0.249 
• R-Value Observed: 0.249 

Literature

Structures of two intermediate filament-binding fragments of desmoplakin reveal a unique repeat motif structure.

Choi, H.J., Park-Snyder, S., Pascoe, L.T., Green, K.J., Weis, W.I.

(2002) Nat Struct Biol 9: 612-620

• PubMed: 12101406 
• DOI: 10.1038/nsb818
• Primary Citation of Related Structures:  
  1LM7, 1LM5


• PubMed Abstract: 
  

Desmosomes are intercellular junctions in which cadherin cell adhesion molecules are linked to the intermediate filament (IF) system. Desmoplakin is a member of the plakin family of IF-binding proteins. The C-terminal domain of desmoplakin (DPCT) mediates binding to IFs in desmosomes. The DPCT sequence contains three regions, termed A, B and C, consisting of 4.5 copies of a 38-amino acid repeat motif. We demonstrate that these regions form discrete subdomains that bind to IFs and report the crystal structures of domains B and C. In contrast to the elongated structures formed by other kinds of repeat motifs, the plakin repeats form a globular structure with a unique fold. A conserved basic groove found on the domain may represent an IF-binding site.

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Organizational Affiliation: 

Department of Structural Biology, Stanford University School of Medicine, 299 Campus Drive West, Stanford, California 94305, USA.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
subdomain of Desmoplakin Carboxy-Terminal domain (DPCT)	A, B	248	Homo sapiens	Mutation(s): 0  Gene Names: DSP
Find proteins for P15924 (Homo sapiens) Explore P15924  Go to UniProtKB:  P15924
NIH Common Fund Data Resources
PHAROS:  P15924 GTEx:  ENSG00000096696

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.296 
• R-Value Work: 0.249 
• R-Value Observed: 0.249 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.293	α = 90
b = 99.773	β = 97.58
c = 51.687	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	refinement
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2002-04-30 
• Released Date: 2002-07-31 
Deposition Author(s): Choi, H.J., Park-Snyder, S., Pascoe, L.T., Green, K.J., Weis, W.I.

Revision History 

• Version 1.0: 2002-07-31
  Type: Initial release
  
• Version 1.1: 2008-04-28
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance