English Dictionary

PROTOHEME

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 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 bindsplay

  Familiarity information: PROTOHEME used as a noun is very rare.


 Dictionary entry details 


PROTOHEME (noun)


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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