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Role of distal histidine in myoglobin?

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1.) H-bond to O2 (g)
2.) forces carbon monoxide to bind at an angle
3.) acts as a proton scavenger prevents Fe+2--> Fe +3
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What is histidine hydrochloride?

Histidine hydrochloride carries the IUPAC name of Histidine or His.  Histidine is an amino acid used for rheumatoid arthritis, ulcers  and anemia caused by kidney failure.

What is Myoglobins?

Myoglobin is an iron- and oxygen-binding protein found in the muscle tissue of vertebrates in general and in almost all mammals. It is related to hemoglobin, which is the iron

What is the role of Myoglobin?

Myoglobin is a protein found in muscle tissue of vertebrates that  is iron- and oxygen-binding. It is a primary oxygen-carrying  pigment of muscle tissues and is related to

Functions of histidine?

Histidine is involved in many functions. It is responsible for the  transmission of your brain's signals. It also helps ride the body  of heavy metals. The substance is requ

Why histidine is polar?

because it has a double bonded nitrogen which can be protonated easily. Also, it is considered " electron sink " which clearly shows it's an electron- donor ( base ). Relative

Is histidine aromatic?

The imidazole ring of  histidine is  aromatic at all pH values. It contains six pi electrons: four  from two double bonds and two from a nitrogen lone pair.
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What does the myoglobin do?

Myoglobin are the oxygen carrying pigment in  muscles of humans and other mammals. Myoglobin comprise a  combination of protein and iron and are the cause of the red color