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Which statement is the correct description of hemerythrin:
- a)A heme protein will one Fe centre at the active site.
- b)A non-heme protein containing two Fe centres at the active site.
- c)A non-heme protein with one Fe centre at the active site
- d)A copper protein with two Cu centres at the active site.
Correct answer is option 'B'. Can you explain this answer?
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Which statement is the correct description of hemerythrin:a)A heme pro...
Hemerythrin: A non-heme protein containing two Fe centres at the active site
Hemerythrin is a metalloprotein that is found in the blood of certain marine invertebrates, such as worms and crustaceans. It is involved in oxygen transport and storage, and has a unique structure that distinguishes it from other oxygen-binding proteins like hemoglobin and myoglobin.
Structure of Hemerythrin
Hemerythrin has a quaternary structure, meaning it is made up of four subunits that are arranged in a symmetrical pattern. Each subunit contains two iron atoms that are coordinated by four histidine residues and two carboxylate residues.
Function of Hemerythrin
Hemerythrin is involved in oxygen transport and storage, and is able to bind and release oxygen in a reversible manner. When oxygen is bound to the iron atoms in hemerythrin, the protein undergoes a conformational change that allows it to store the oxygen until it is needed.
Conclusion
In conclusion, hemerythrin is a non-heme protein that contains two iron atoms at the active site. It is involved in oxygen transport and storage, and has a unique structure that distinguishes it from other oxygen-binding proteins.
Hemerythrin is a metalloprotein that is found in the blood of certain marine invertebrates, such as worms and crustaceans. It is involved in oxygen transport and storage, and has a unique structure that distinguishes it from other oxygen-binding proteins like hemoglobin and myoglobin.
Structure of Hemerythrin
Hemerythrin has a quaternary structure, meaning it is made up of four subunits that are arranged in a symmetrical pattern. Each subunit contains two iron atoms that are coordinated by four histidine residues and two carboxylate residues.
Function of Hemerythrin
Hemerythrin is involved in oxygen transport and storage, and is able to bind and release oxygen in a reversible manner. When oxygen is bound to the iron atoms in hemerythrin, the protein undergoes a conformational change that allows it to store the oxygen until it is needed.
Conclusion
In conclusion, hemerythrin is a non-heme protein that contains two iron atoms at the active site. It is involved in oxygen transport and storage, and has a unique structure that distinguishes it from other oxygen-binding proteins.
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Which statement is the correct description of hemerythrin:a)A heme protein will one Fe centre at the active site.b)A non-heme protein containing two Fe centres at the active site.c)A non-heme protein with one Fe centre at the active sited)A copper protein with two Cu centres at the active site.Correct answer is option 'B'. Can you explain this answer?
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