The figure below shows the structure of a porin subunit embedded in the lipid bilayer (left: side view, right: top view). Hydrophobic residues are shown as yellow sticks, polar residues are shown as green sticks, negatively charged residues are shown as red sticks, and positively charged residues are shown as blue sticks. Porins form open water-filled channels that passively diffuses nutrients and waste products across the membrane. s From its structure, discuss physical properties of molecules that can pass through the porin. Also, discuss how its structure relates to its function. Identify the secondary structure/s present in the protein.

Biochemistry
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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
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The figure below shows the structure of a porin subunit embedded in the lipid bilayer (left: side
view, right: top view). Hydrophobic residues are shown as yellow sticks, polar residues are shown
as green sticks, negatively charged residues are shown as red sticks, and positively charged
residues are shown as blue sticks. Porins form open water-filled channels that passively diffuses
nutrients and waste products across the membrane.
s
From its structure, discuss physical properties of molecules that can pass through the porin. Also,
discuss how its structure relates to its function. Identify the secondary structure/s present in the
protein.
Transcribed Image Text:The figure below shows the structure of a porin subunit embedded in the lipid bilayer (left: side view, right: top view). Hydrophobic residues are shown as yellow sticks, polar residues are shown as green sticks, negatively charged residues are shown as red sticks, and positively charged residues are shown as blue sticks. Porins form open water-filled channels that passively diffuses nutrients and waste products across the membrane. s From its structure, discuss physical properties of molecules that can pass through the porin. Also, discuss how its structure relates to its function. Identify the secondary structure/s present in the protein.
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