Macromolecule Content

• Total Structure Weight: 31.88 kDa 
• Atom Count: 2187 
• Residue Count: 285 
• Unique protein chains: 1

2K4T

Solution structure of human VDAC-1 in LDAO micelles

• DOI: 10.2210/pdb2K4T/pdb
• BMRB: 16381

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


• Deposited: 2008-06-17 Released: 2008-09-09 
• Deposition Author(s): Hiller, S., Garces, R.G., Malia, T.J., Orekhov, V.Y., Colombini, M., Wagner, G.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 500 
• Conformers Submitted: 20 
• Selection Criteria: target function 

Literature

Solution structure of the integral human membrane protein VDAC-1 in detergent micelles.

Hiller, S., Garces, R.G., Malia, T.J., Orekhov, V.Y., Colombini, M., Wagner, G.

(2008) Science 321: 1206-1210

• PubMed: 18755977 
• DOI: 10.1126/science.1161302
• Primary Citation of Related Structures:  
  2K4T


• PubMed Abstract: 
  

The voltage-dependent anion channel (VDAC) mediates trafficking of small molecules and ions across the eukaryotic outer mitochondrial membrane. VDAC also interacts with antiapoptotic proteins from the Bcl-2 family, and this interaction inhibits release of apoptogenic proteins from the mitochondrion. We present the nuclear magnetic resonance (NMR) solution structure of recombinant human VDAC-1 reconstituted in detergent micelles. It forms a 19-stranded beta barrel with the first and last strand parallel. The hydrophobic outside perimeter of the barrel is covered by detergent molecules in a beltlike fashion. In the presence of cholesterol, recombinant VDAC-1 can form voltage-gated channels in phospholipid bilayers similar to those of the native protein. NMR measurements revealed the binding sites of VDAC-1 for the Bcl-2 protein Bcl-x(L), for reduced beta-nicotinamide adenine dinucleotide, and for cholesterol. Bcl-x(L) interacts with the VDAC barrel laterally at strands 17 and 18.

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Organizational Affiliation: 

Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Voltage-dependent anion-selective channel protein 1	A	291	Homo sapiens	Mutation(s): 0  Gene Names: VDAC1, VDAC
Find proteins for P21796 (Homo sapiens) Explore P21796  Go to UniProtKB:  P21796
NIH Common Fund Data Resources
PHAROS:  P21796 GTEx:  ENSG00000213585

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 500 
• Conformers Submitted: 20 
• Selection Criteria: target function 
• OLDERADO: 2K4T Olderado

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2008-06-17 
• Released Date: 2008-09-09 
Deposition Author(s): Hiller, S., Garces, R.G., Malia, T.J., Orekhov, V.Y., Colombini, M., Wagner, G.

Revision History 

• Version 1.0: 2008-09-09
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance