3M4C: A Zn-mediated tetrahedral protein lattice cage encapsulating a microperoxidase

PDB ID: 3M4CDownload
MMDB ID: 87845
PDB Deposition Date: 2010/3/10
Updated in MMDB: 2021/10
Experimental Method:
x-ray diffraction
Resolution: 1.9  Å
Source Organism:
synthetic construct▼
Similar Structures:
Biological Unit for 3M4C: 15-meric; determined by author and by software (PISA)
Molecular Components in 3M4C
Label Count Molecule
Proteins (15 molecules)
12
Soluble Cytochrome B562
Molecule annotation
3
Heme-peptide Fragment
Molecule annotation
Chemicals and Non-standard biopolymers (57 molecules)
1
15
PROTOPORPHYRIN IX CONTAINING FEPROTOPORPHYRIN IX CONTAINING FE
2
12
ACETATE IONACETATE ION
3
30
ZINC IONZINC ION
* Click molecule labels to explore molecular sequence information.
Citing MMDB
Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH. " MMDB and VAST+: tracking structural similarities between macromolecular complexes. Nucleic Acids Res. 2014 Jan; 42(Database issue):D297-303