enzyme kinetics Flashcards
enzyme proteins are almost always ______ proteins
globular
three major structural families of enzymes
protein kinases
chromotypsins
ABC cassette
enzymes almost always have a _________________ to _________________
physical depressions/pockets/groove, to accommodate one or more substances
substrates bind to specific
active sites
enzyme active sites often contain _________, _________, ________
weak acids (D, E), weak bases (R, K), nucleophiles
amino acids that can function as nucleophiles
serine
threonine
tyrosine
lysine
histidine
cysteine
enzyme cofactors
helpers
types of reactions catalyzed by enzymes
addition reactions
elimination reactions
substitution reactions
oxidation reduction reactions
classes of enzymes
oxidoreductases
transferases
hydrolases
lyases
isomerases
ligases
oxidoreductases
oxidation-reduction reactions
transferases
substitution reactions
hydrolases
substitution reactions
lyases
addition reactions
isomerases
substitution reactions
ligases
addition reactions