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Figure 1. Enzyme and potential substrates

Figure 1. Enzyme and potential substrates

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Enzymes are catalytic proteins or RNA molecules that accelerate chemical reactions. Substrates 
are the molecules that are acted upon by enzymes and are converted into products through the 
binding of substrates to an enzyme’s active site. Figure 1 below shows a protein enzyme’s active 
site and four potential protein substrates. Table 1 indicates the different chemical properties at 
several locations in a hypothetical enzyme’s active site, and Table 2 indicates the different 
chemical properties at several locations in the potential substrates. Locations labeled “A” in the 
enzyme’s active site and on the substrate will attempt to interact, as will locations that are labeled 
“B” and “C.”

 

Enzyme Substrates B Figure 1. Enzyme and potential substrates Chemical Property Polar and neutral Acidic (negatively charged) Nonpolar Table 1. Enzyme active site properties Site A B
Transcribed Image Text:Enzyme Substrates B Figure 1. Enzyme and potential substrates Chemical Property Polar and neutral Acidic (negatively charged) Nonpolar Table 1. Enzyme active site properties Site A B
Site B Polar and neutral Acidic (negatively charged) Basic (positively charged) Acidic (negatively charged) Site C Substrate 1 Site D X Site A Nonpolar Polar and Polar and neutral Basic (positively charged) 2 Nonpolar neutral Polar and 3 Polar and neutral X neutral Polar and neutral 4 Nonpolar Table 2. Substrate location chemical properties
Transcribed Image Text:Site B Polar and neutral Acidic (negatively charged) Basic (positively charged) Acidic (negatively charged) Site C Substrate 1 Site D X Site A Nonpolar Polar and Polar and neutral Basic (positively charged) 2 Nonpolar neutral Polar and 3 Polar and neutral X neutral Polar and neutral 4 Nonpolar Table 2. Substrate location chemical properties
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