Macromolecule Content

• Total Structure Weight: 1.29 kDa 
• Atom Count: 89 
• Modelled Residue Count: 10 
• Deposited Residue Count: 10 
• Unique protein chains: 1

2BAU

Solution NMR structure of the micelle-bound myristoylated N-terminal Arf6

• DOI: 10.2210/pdb2BAU/pdb

• Classification: SIGNALING PROTEIN
• Mutation(s): No 


• Deposited: 2005-10-14 Released: 2006-07-25 
• Deposition Author(s): Gizachew, D.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 50 
• Conformers Submitted: 12 
• Selection Criteria: structures with the lowest energy 

Literature

NMR structural studies of the myristoylated N-terminus of ADP ribosylation factor 6 (Arf6).

Gizachew, D., Oswald, R.

(2006) FEBS Lett 580: 4296-4301

• PubMed: 16839550 
• DOI: 10.1016/j.febslet.2006.06.086
• Primary Citation of Related Structures:  
  2BAO, 2BAU


• PubMed Abstract: 
  

Arf proteins are guanine nucleotide binding proteins that are implicated in endocytotic pathways and vesicle trafficking. The two widely studied isoforms of Arf proteins (Arf1 and Arf6) have different cellular functions and localizations but similar structures. Arf proteins have an N-terminal helix with a covalently bound myristoyl group. Except structural models, there are no three dimensional structures of the myristoylated N-terminal peptide or the intact myristoylated Arf proteins. However, understanding the role of both the myristoyl group and the N-terminal helix based on the details of their molecular structures is of great interest. In the solution structure of myristoylated N-terminal peptide of Arf6 described here, the myristoyl group folds toward the N-terminus to interact with the hydrophobic residues in particular, the phenyl ring. Also, the structure of the dodecylphosphocholine (DPC) micelle-bound of the peptide together with paramagnetic studies showed that the myristoyl group is inserted into the micelle while residues V4-G10 interact with the surface of the micelle. The structural differences between the unbound and micelle-bound myristoylated N-terminal peptide of Arf6 involves the myristoyl group and the side chains of the hydrophobic residues.

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Organizational Affiliation: 

Department of Molecular Medicine, Cornell University, Ithaca, NY 14853, USA. [e-mail]

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ADP-ribosylation factor 6	A	10	N/A	Mutation(s): 0
Find proteins for P62330 (Homo sapiens) Explore P62330  Go to UniProtKB:  P62330
NIH Common Fund Data Resources
PHAROS:  P62330 GTEx:  ENSG00000165527

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MYR	A	MYRISTIC ACID C14 H28 O2 TUNFSRHWOTWDNC-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 50 
• Conformers Submitted: 12 
• Selection Criteria: structures with the lowest energy 
• OLDERADO: 2BAU Olderado

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2005-10-14 
• Released Date: 2006-07-25 
Deposition Author(s): Gizachew, D.

Revision History  

• Version 1.0: 2006-07-25
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance