Crocodile hemoglobin does not bind 2,3-BPG. Instead, it binds bicarbonateion, which is a strong negative allosteric effector. Why might crocodileshave a hemoglobin that is responsive to HCO3- instead of 2,3-BPG? Recallthat crocodiles hold their prey underwater to kill them.
Proteins
We generally tend to think of proteins only from a dietary lens, as a component of what we eat. However, they are among the most important and abundant organic macromolecules in the human body, with diverse structures and functions. Every cell contains thousands and thousands of proteins, each with specific functions. Some help in the formation of cellular membrane or walls, some help the cell to move, others act as messages or signals and flow seamlessly from one cell to another, carrying information.
Protein Expression
The method by which living organisms synthesize proteins and further modify and regulate them is called protein expression. Protein expression plays a significant role in several types of research and is highly utilized in molecular biology, biochemistry, and protein research laboratories.
Crocodile hemoglobin does not bind 2,3-BPG. Instead, it binds bicarbonate
ion, which is a strong negative allosteric effector. Why might crocodiles
have a hemoglobin that is responsive to HCO3- instead of 2,3-BPG? Recall
that crocodiles hold their prey underwater to kill them.
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