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Metal-binding proteins, chelate effect

The chelate effect in proteins is also important, since the three-dimensional (3-D) structure of the protein can impose particular coordination geometry on the metal ion. This determines the ligands available for coordination, their stereochemistry and the local environment, through local hydrophobicity/hydrophilicity, hydrogen bonding by nearby residues with bound and non-bound residues in the metal ion s coordination sphere, etc. A good example is illustrated by the Zn2+-binding site of Cu/Zn superoxide dismutase, which has an affinity for Zn2+, such that the non-metallated protein can extract Zn2+ from solution into the site and can displace Cu2+ from the Zn2+ site when the di-Cu2+ protein is treated with excess Zn2+. [Pg.18]


See other pages where Metal-binding proteins, chelate effect is mentioned: [Pg.923]    [Pg.923]    [Pg.310]    [Pg.310]    [Pg.49]    [Pg.395]    [Pg.433]    [Pg.137]    [Pg.136]    [Pg.143]    [Pg.104]    [Pg.23]    [Pg.1164]    [Pg.1164]    [Pg.222]    [Pg.910]    [Pg.534]    [Pg.53]    [Pg.259]    [Pg.203]    [Pg.74]    [Pg.60]    [Pg.38]    [Pg.5549]    [Pg.6438]    [Pg.56]    [Pg.134]    [Pg.292]    [Pg.29]    [Pg.476]    [Pg.136]    [Pg.19]    [Pg.167]    [Pg.451]    [Pg.88]    [Pg.5548]    [Pg.6437]    [Pg.154]    [Pg.51]    [Pg.122]    [Pg.1466]    [Pg.482]    [Pg.255]    [Pg.113]    [Pg.69]   
See also in sourсe #XX -- [ Pg.310 ]

See also in sourсe #XX -- [ Pg.310 ]

See also in sourсe #XX -- [ Pg.310 ]

See also in sourсe #XX -- [ Pg.310 ]




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Binding effect

Binding metallic

Chelate effect

Chelates chelate effect

Chelates metalation

Chelating effect

Chelation chelate effect

Chelation effects

Metal chelates

Metal chelating

Metal chelation

Metal chelator

Metal chelators

Metal protein

Protein-binding effect

Proteins chelated metals

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