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Kuliah 4 Transpor elektron anaerob

Kuliah 4 Transpor elektron anaerob

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cys<br />

Klaster FeS<br />

S<br />

cys<br />

Fe<br />

Fe<br />

cys<br />

S<br />

cys<br />

D. Sitokrom<br />

Sitokrom adalah pembawa 1 <strong>elektron</strong>.<br />

Grup prostetiknya heme.<br />

Heme → 4 cincin pirol dengan<br />

jembatan methene → tetrapirol.<br />

Cincin pirol + rantai panjang →<br />

porphyrin. Heme disebut porphyrin.<br />

Di pusat heme ada atom besi yang<br />

terikat pada nitrogen di cincin pirol.<br />

Besi → pembawa <strong>elektron</strong> → ferri<br />

atau ferro.

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