Enzymes use several types of catalytic mechanisms. Differentiate between acid-base catalysis, covalent catalysis, and metal ion catalysis. Acid‑base catalysis Covalent catalysis Metal ion catalysis All

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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Chapter1: Biochemistry: An Evolving Science
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Enzymes use several types of catalytic mechanisms. Differentiate between acid-base catalysis, covalent catalysis, and metal ion catalysis.
Acid‑base catalysis
Covalent catalysis
Metal ion catalysis
All
 
 
Answer Bank
a Zn2+ cofactor may properly
a covalent bond forms
may take part in interactions
a proton is transferred
orient the substrate in the active
between enzyme and substrate
involving Fe2+
between enzyme and substrate
site through ionic interactions
two part catalytic process (for example,
catalyst retains its original
uses a nucleophilic
lowers the energy or stabilizes
the chymotrypsin mechanism)
form after reaction occurs
functional group
the transition state or intermediate
may use amino acids such as
catalysts may participate in
aspartate or lysine for
oxidation-reduction reactions
protonation or proton abstraction
by changes in the oxidation state
Transcribed Image Text:Answer Bank a Zn2+ cofactor may properly a covalent bond forms may take part in interactions a proton is transferred orient the substrate in the active between enzyme and substrate involving Fe2+ between enzyme and substrate site through ionic interactions two part catalytic process (for example, catalyst retains its original uses a nucleophilic lowers the energy or stabilizes the chymotrypsin mechanism) form after reaction occurs functional group the transition state or intermediate may use amino acids such as catalysts may participate in aspartate or lysine for oxidation-reduction reactions protonation or proton abstraction by changes in the oxidation state
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