National Center for
Biotechnology Information

1MA3: Structure of a Sir2 enzyme bound to an acetylated p53 peptide

PDB ID:

MMDB ID:

20968

PDB Deposition Date:

2002/7/31

Updated in MMDB:

2024/12

Experimental Method:

x-ray diffraction

Resolution:

2 Å

Source Organism:

synthetic construct▼

Taxonomy	Molecule
synthetic construct	B
Archaeoglobus fulgidus	A

Similar Structures:

Biological Unit for 1MA3: dimeric; determined by author and by software (PISA)

Molecular Components in 1MA3
Label	Count	Molecule
Proteins (2 molecules)
A	1	Transcriptional Regulatory Protein, Sir2 Family
B	1	Cellular Tumor Antigen P53
Chemicals and Non-standard biopolymers (2 molecules)
1	1	ZINC ION
2	1	2-(N-MORPHOLINO)-ETHANESULFONIC ACID

* Click molecule labels to explore molecular sequence information.

Citing MMDB