English Dictionary |
PROTOHEME
Pronunciation (US): | (GB): |
Dictionary entry overview: What does protoheme mean?
• PROTOHEME (noun)
The noun PROTOHEME has 1 sense:
1. a complex red organic pigment containing iron and other atoms to which oxygen binds
Familiarity information: PROTOHEME used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
A complex red organic pigment containing iron and other atoms to which oxygen binds
Classified under:
Nouns denoting substances
Synonyms:
haem; haemitin; hematin; heme; protoheme
Hypernyms ("protoheme" is a kind of...):
pigment (dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.))
Holonyms ("protoheme" is a substance of...):
haemoglobin; Hb; hemoglobin (a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues)
myoglobin (a hemoprotein that receives oxygen from hemoglobin and stores it in the tissues until needed)
cytochrome ((biochemistry) a class of hemoprotein whose principal biological function is electron transfer (especially in cellular respiration))
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