The shown image is a reaction diagram for the hydrolysis of peptide bonds. Appropriately substituted phosphonates (structure shown above) were successfully designed as strong inhibitors for proteolytic enzymes.  Explain why this strategy was successful. Note that the lengths of P–O bonds in phosphonates are significantly longer than the corresponding C–O bonds.

Introduction to General, Organic and Biochemistry
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Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter23: Enzymes
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Problem 23.18P: 8 The optimal temperature for the action of lactate dehydrogenase is 36°C. It is irreversibly...
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The shown image is a reaction diagram for the hydrolysis of peptide bonds. Appropriately substituted phosphonates (structure shown above) were successfully designed as strong inhibitors for proteolytic enzymes.  Explain why this strategy was successful.

Note that the lengths of P–O bonds in phosphonates are significantly longer than the corresponding C–O bonds.

HO
АН
A-
transition
но о
transition
state !
state ||
oxyanion
intermediate
HO O
H-N
Reaction Coordinate
(A = assisting general acid/base in the enzyme active site)
phosphonate
R'
R
Energy
Transcribed Image Text:HO АН A- transition но о transition state ! state || oxyanion intermediate HO O H-N Reaction Coordinate (A = assisting general acid/base in the enzyme active site) phosphonate R' R Energy
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