Contrast the resultant orientation of the macrodipoles of cytochrome b562 consisting of 4 alpha-heli- ces with that in bacteriorhodopsin consisting of 7 alpha-heli- ces. The diagram of bacteriorhodopsin on the right taken from the textbook (Figure 11-10) shows that the C-termi- nal end of the helix-7 is located in the cytoplasm. The function of this protein is translocate protons from the cy- toplasm to the exterior. How might the terminal -COO- group and the helix dipole of helix #7 augment or dimin- ish the function of the protein?.

Biochemistry
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ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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Chapter1: Biochemistry: An Evolving Science
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Contrast the resultant orientation of the
macrodipoles of cytochrome b562 consisting of 4 alpha-heli-
ces with that in bacteriorhodopsin consisting of 7 alpha-heli-
ces. The diagram of bacteriorhodopsin on the right taken
from the textbook (Figure 11-10) shows that the C-termi-
nal end of the helix-7 is located in the cytoplasm. The
function of this protein is translocate protons from the cy-
toplasm to the exterior. How might the terminal -COO-
group and the helix dipole of helix #7 augment or dimin-
ish the function of the protein?.
 
 
UT
WF
N
с
Transcribed Image Text:UT WF N с
Outside
0000
Inside
ww
Amino
terminus
DEST NU
Carboxyl
terminus
000
Transcribed Image Text:Outside 0000 Inside ww Amino terminus DEST NU Carboxyl terminus 000
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