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(enamine form) (imine form) Porphobilinogen Draw curved arrows to illustrate the movement of electrons in this step of the reaction.

(enamine form) (imine form) Porphobilinogen Draw curved arrows to illustrate the movement of electrons in this step of the reaction.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Chlorophyll, heme, vitamin B12, and a host of other substances are synthesized from porphobilinogen, which is itself formed from the condensation of two molecules of 5-aminolevulinate. The two 5-aminolevulinates are bound to lysine (Lys) residues in the enzyme, one in the enamine form and the other in the imine form. Condensation is thought to occur via a several step process, one of which is shown below. ÇO2 ÇO2 CO2 + NH3 NH3 H H3N 5-aminolevulinate (enamine form) 5-aminolevulinate (imine form) Porphobilinogen Draw curved arrows to illustrate the movement of electrons in this step of the reaction. Arrow-pushing Instructions CO2 CO2 CO2 CO2 :B BH* H-A H3N H3Ņ
Transcribed Image Text:Chlorophyll, heme, vitamin B12, and a host of other substances are synthesized from porphobilinogen, which is itself formed from the condensation of two molecules of 5-aminolevulinate. The two 5-aminolevulinates are bound to lysine (Lys) residues in the enzyme, one in the enamine form and the other in the imine form. Condensation is thought to occur via a several step process, one of which is shown below. ÇO2 ÇO2 CO2 + NH3 NH3 H H3N 5-aminolevulinate (enamine form) 5-aminolevulinate (imine form) Porphobilinogen Draw curved arrows to illustrate the movement of electrons in this step of the reaction. Arrow-pushing Instructions CO2 CO2 CO2 CO2 :B BH* H-A H3N H3Ņ
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