1G5M

HUMAN BCL-2, ISOFORM 1


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Submitted: 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Solution structure of the antiapoptotic protein bcl-2.

Petros, A.M.Medek, A.Nettesheim, D.G.Kim, D.H.Yoon, H.S.Swift, K.Matayoshi, E.D.Oltersdorf, T.Fesik, S.W.

(2001) Proc.Natl.Acad.Sci.USA 98: 3012-3017

  • DOI: 10.1073/pnas.041619798
  • Primary Citation of Related Structures:  1G5O, 1GJH

  • PubMed Abstract: 
  • The structures of two isoforms of Bcl-2 that differ by two amino acids have been determined by NMR spectroscopy. Because wild-type Bcl-2 behaved poorly in solution, the structures were determined by using Bcl-2/Bcl-x(L) chimeras in which part of the ...

    The structures of two isoforms of Bcl-2 that differ by two amino acids have been determined by NMR spectroscopy. Because wild-type Bcl-2 behaved poorly in solution, the structures were determined by using Bcl-2/Bcl-x(L) chimeras in which part of the putative unstructured loop of Bcl-2 was replaced with a shortened loop from Bcl-x(L). These chimeric proteins have a low pI compared with the wild-type protein and are soluble. The structures of the two Bcl-2 isoforms consist of 6 alpha-helices with a hydrophobic groove on the surface similar to that observed for the homologous protein, Bcl-x(L). Comparison of the Bcl-2 structures to that of Bcl-x(L) shows that although the overall fold is the same, there are differences in the structural topology and electrostatic potential of the binding groove. Although the structures of the two isoforms of Bcl-2 are virtually identical, differences were observed in the ability of the proteins to bind to a 25-residue peptide from the proapoptotic Bad protein and a 16-residue peptide from the proapoptotic Bak protein. These results suggest that there are subtle differences in the hydrophobic binding groove in Bcl-2 that may translate into differences in antiapoptotic activity for the two isoforms.


    Related Citations: 
    • Analysis of the structure, transcripts, and products of bcl-2, the gene involved in human follicular lymphoma
      Tsujimoto, Y.,Croce, C.M.
      (1986) Proc.Natl.Acad.Sci.USA 83: 5214


    Organizational Affiliation

    Pharmaceutical Discovery Division, Abbott Laboratories, Abbott Park, IL 60064, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
PROTEIN (APOPTOSIS REGULATOR BCL-2 WITH PUTATIVE FLEXIBLE LOOP REPLACED WITH A PORTION OF APOPTOSIS REGULATOR BCL-X PROTEIN)
A
166Homo sapiensGene Names: BCL2
Find proteins for P10415 (Homo sapiens)
Go to Gene View: BCL2
Go to UniProtKB:  P10415
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Submitted: 

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2001-03-21
    Type: Initial release
  • Version 1.1: 2008-04-27
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance