Biological Assembly 1  

 3D View: Structure | 1D-3D View | Validation Report

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 5.92 kDa 
• Atom Count: 412 
• Modelled Residue Count: 50 
• Deposited Residue Count: 50 
• Unique protein chains: 1

1IOX

NMR Structure of human Betacellulin-2

• PDB DOI: 10.2210/pdb1IOX/pdb
• BMRB: 4990

• Classification: HORMONE/GROWTH FACTOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2001-04-18 Released: 2002-07-24 
• Deposition Author(s): Miura, K., Doura, H., Aizawa, T., Tada, H., Seno, M., Yamada, H., Kawano, K.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 50 
• Conformers Submitted: 40 
• Selection Criteria: structures with the lowest energy 

Literature

Solution structure of betacellulin, a new member of EGF-family ligands.

Miura, K., Doura, H., Aizawa, T., Tada, H., Seno, M., Yamada, H., Kawano, K.

(2002) Biochem Biophys Res Commun 294: 1040-1046

• PubMed: 12074582 
• DOI: 10.1016/S0006-291X(02)00585-5
• Primary Citation of Related Structures:  
  1IOX, 1IP0


• PubMed Abstract: 
  

The solution structure of the EGF-like domain of betacellulin (BTCe), a newly discovered member of the epidermal growth factor (EGF) family, has been determined using two-dimensional nuclear magnetic resonance spectroscopy. This is the first report to identify the solution structure of the EGF-family ligand monomers that interact with both ErbB-1 and ErbB-4. The solution structure of BTCe was calculated using 538 NMR-derived restraints. The overall structure of BTCe was stabilized by three disulfide bonds, a hydrophobic core, and 23 hydrogen bonds. It appears that BTCe is comprised of five beta-strands and one short 3(10) helical turn. The secondary structural elements of BTCe are basically similar to those of the other EGF-family proteins, except that several significant variations of the structural properties were found. It is suggested that the structural variations between BTCe and the other EGF-family ligands may affect the specific receptor-recognition properties of EGF-family ligands.

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Organizational Affiliation: 

Bio-oriented Technology Research Advancement Institution, 1-40-2 Nisshin, Saitama, Saitama 331-8537, Japan.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Betacellulin	A	50	Homo sapiens	Mutation(s): 0  Gene Names: BTC
UniProt & NIH Common Fund Data Resources
Find proteins for P35070 (Homo sapiens) Explore P35070  Go to UniProtKB:  P35070
PHAROS:  P35070

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 50 
• Conformers Submitted: 40 
• Selection Criteria: structures with the lowest energy 
• OLDERADO: 1IOX Olderado

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2001-04-18 
• Released Date: 2002-07-24 
Deposition Author(s): Miura, K., Doura, H., Aizawa, T., Tada, H., Seno, M., Yamada, H., Kawano, K.

Revision History  

• Version 1.0: 2002-07-24
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2022-02-23
  Changes: Database references, Derived calculations