ISDA

Deposition Date 2011-02-26

Release Date 2011-06-22

Last Version Date 2024-11-27

Entry Detail

PDB ID:

3QW0

Keywords:

OXIDOREDUCTASE

Title:

Crystal structure of the Zn-RIDC1 complex stabilized by BMB crosslinks

Biological Source:

Source Organism:

Escherichia coli (Taxon ID: 562)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.84 Å

R-Value Free:

0.24

R-Value Work:

0.18

R-Value Observed:

0.19

Space Group:

P 21 21 21

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Macromolecular Entities

Polymer Type:polypeptide(L)
Molecule:Cytochrome cb562
Chain IDs:A, B, C, D
Chain Length:106
Number of Molecules:4
Biological Source:Escherichia coli

Ligand Molecules

BTB

HEM

ME9

Primary Citation

Templated construction of a zn-selective protein dimerization motif.

Salgado, E.N, Brodin, J.D, To, M.M, Tezcan, F.A.Show

Inorg.Chem. 50 6323 6329 (2011)

PMID: 21648390 DOI: 10.1021/ic200746m

Abstact

Here, we report that the approach of metal-templated ligand synthesis can be applied to construct a dimeric protein assembly ((BMOE)RIDC1(2)), which is stabilized by noncovalent interactions and flexible covalent cross-linkers around the Zn templates. Despite its flexibility, (BMOE)RIDC1(2) selectively binds Zn(II) over other divalent metals and undergoes dimerization upon metal binding. Such simultaneous fulfillment of plasticity and selectivity is a hallmark of cellular signaling events that involve ligand/metal-induced protein dimerization.

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Primary Citation of related structures