2JM6 image
Deposition Date 2006-10-17
Release Date 2007-03-20
Last Version Date 2023-12-20
Entry Detail
PDB ID:
2JM6
Keywords:
APOPTOSIS
Title:
Solution structure of MCL-1 complexed with NOXAB
Biological Source:
Source Organism:
Mus musculus (Taxon ID: 10090)
Host Organism:
Escherichia coli BL21(DE3)
Method Details:
Experimental Method:
SOLUTION NMR
Conformers Calculated:
256
Conformers Submitted:
20
Selection Criteria:
lowest energy, least restraint violations, structures with acceptable covalent geometry
2JM6 validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Noxa
Gene (Uniprot):Pmaip1
Chain IDs:A
Chain Length:27
Number of Molecules:1
Biological Source:Mus musculus
UniProt ID:Q9JM54 Pfam ID:PF15150
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Myeloid cell leukemia-1 protein Mcl-1 homolog
Gene (Uniprot):Mcl1
Chain IDs:B
Chain Length:162
Number of Molecules:1
Biological Source:Mus musculus
UniProt ID:P97287 Pfam ID:PF00452
Ligand Molecules
NA
Primary Citation
Structural insights into the degradation of Mcl-1 induced by BH3 domains
Proc.Natl.Acad.Sci.Usa 104 6217 6222 (2007)
PMID: 17389404 DOI: 10.1073/pnas.0701297104

Abstact

Apoptosis is held in check by prosurvival proteins of the Bcl-2 family. The distantly related BH3-only proteins bind to and antagonize them, thereby promoting apoptosis. Whereas binding of the BH3-only protein Noxa to prosurvival Mcl-1 induces Mcl-1 degradation by the proteasome, binding of another BH3-only ligand, Bim, elevates Mcl-1 protein levels. We compared the three-dimensional structures of the complexes formed between BH3 peptides of both Bim and Noxa, and we show that a discrete C-terminal sequence of the Noxa BH3 is necessary to instigate Mcl-1 degradation.

Legend

Protein

Chemical

Disease

Primary Citation of related structures
1WSX