ISDA: 3DE9

Deposition Date 2008-06-08

Release Date 2009-04-21

Last Version Date 2024-02-21

Entry Detail

PDB ID:

3DE9

Keywords:

METAL BINDING PROTEIN

Title:

Crystal Structure of a Trimeric Cytochrome cb562 Assembly Induced by Nickel Coordination

Biological Source:

Source Organism:

Escherichia coli (Taxon ID: 562)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.04 Å

R-Value Free:

0.27

R-Value Work:

0.21

R-Value Observed:

0.22

Space Group:

H 3

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Macromolecular Entities

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Soluble cytochrome b562
Gene (Uniprot):cybC
Mutagens:K59H, D73H, K77H, R98C, Y101C
Chain IDs:A
Chain Length:106
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0ABE7 Pfam ID:PF07361

Ligand Molecules

HEM

Primary Citation

Control of protein oligomerization symmetry by metal coordination: C2 and C3 symmetrical assemblies through Cu(II) and Ni(II) coordination.

Salgado, E.N, Lewis, R.A, Mossin, S, Rheingold, A.L, Tezcan, F.A.Show

Inorg.Chem. 48 2726 2728 (2009)

PMID: 19267481 DOI: 10.1021/ic9001237

Abstact

We describe the metal-dependent self-assembly of symmetrical protein homooligomers from protein building blocks that feature appropriately engineered metal-chelating motifs on their surfaces. Crystallographic studies indicate that the same four-helix-bundle protein construct, MBPC-1, can self-assemble into C(2) and C(3) symmetrical assemblies dictated by Cu(II) and Ni(II) coordination, respectively. The symmetry inherent in metal coordination can thus be directly applied to biological self-assembly.

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