MODEL 1: 1. His 119 6. His 119 CH O-P-O- 01 HCHO HCH Substrate O-P-O OH +H₂N OOH CH H₂N. His 12 $ His 12 Lys 41 Enzyme His 119 5. NOTES: REACTION MECHANISM 2. His 119 His12, Lys41, and His119 are key amino acid residues of the active site (enlarged in boxes below), which is a small part of the enzyme. . The substrate is RNA (ribonucleic acid). Phosphorus (P) is most stable with 5 bonds and has about the same electronegativity as C and H. • This enzyme "catalyzes" the reaction shown. . HCH O O-POHN. O HCH O O OH O HCH O-P-O OH 0.0 HN +H₂N His 12 Lys A 41 His 12 Lys 41 3. His 119 4. 119 HCH 8 HO HCH O OH HCHO 0= 0_H O HVE H₂N. His 12 A 41 H₂N. His 12 Lys
MODEL 1: 1. His 119 6. His 119 CH O-P-O- 01 HCHO HCH Substrate O-P-O OH +H₂N OOH CH H₂N. His 12 $ His 12 Lys 41 Enzyme His 119 5. NOTES: REACTION MECHANISM 2. His 119 His12, Lys41, and His119 are key amino acid residues of the active site (enlarged in boxes below), which is a small part of the enzyme. . The substrate is RNA (ribonucleic acid). Phosphorus (P) is most stable with 5 bonds and has about the same electronegativity as C and H. • This enzyme "catalyzes" the reaction shown. . HCH O O-POHN. O HCH O O OH O HCH O-P-O OH 0.0 HN +H₂N His 12 Lys A 41 His 12 Lys 41 3. His 119 4. 119 HCH 8 HO HCH O OH HCHO 0= 0_H O HVE H₂N. His 12 A 41 H₂N. His 12 Lys
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question
Plz asap with respect to above data

Transcribed Image Text:MODEL 1:
1.
His
119
6.
His
119
HCH
6 он
O-P-O-
HCH
Substrate
CO
HCHO
O-P-O
OH
+H₂N.
O OH
CH
His
12
Lys
(A) 41
H₂N
His
12
Lys
41
Enzyme
His
119
5.
His
119
NOTES:
His12, Lys41, and His119 are key amino acid
residues of the active site (enlarged in boxes
below), which is a small part of the enzyme.
The substrate is RNA (ribonucleic acid).
11+
.
REACTION MECHANISM
2.
.
●
Phosphorus (P) is most stable with 5 bonds and
has about the same electronegativity as C and H.
This enzyme "catalyzes" the reaction shown.
O
I
HCH
O-POHN.
HCH
O OH
O
HCHO
O
O=P-O
OH
His
12
Lys
A 41
HNA
H₂N:
His
12
Lys
41
3.
His
119
4.
His
119
HCH
HO
HCH
O OH
1
HCHO
0=
+H₂N.
0-H
His
12
A 41
H₂N.
His
12
41

Transcribed Image Text:In panel 1, find two different types of molecular interactions that help attract and hold the
substrate in the enzyme's active site. (Choose from hydrophobic interactions, covalent
bonds, hydrogen bonds, and ionic bonds.) Write the name of each interaction and draw an
example of the atoms/groups of atoms involved in the boxes below:
6. In panel 2:
a. Which atom has an unusual number of bonds?
b. Is the AG going from panel 1 to panel 2 positive or negative?
7. Think about the enzyme's role in the reaction mechanism:
a. What is the "job" of the two histidine (His) R-groups?
b. What is the "job" of the lysine (Lys) R-group?
8. Compare the conformation of the R-groups of the active site between panels 1 and 6.
a. Are the R-groups in the active site same or different?
b. Can the enzyme catalyze another reaction after it completes this one? Why?
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