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Table 4 Subunits of eIF2 and eIF2B

From: Evolutionary engineering improves tolerance for medium-chain alcohols in Saccharomyces cerevisiae

 

Subunit

Protein

Function

eIF2

α

Sui2p

Regulation of eIF2 activity

β

Sui3p

tRNA binding

γ

Gcd1 1p

GTP binding

eIF2B

α

Gcn3p

Regulatory subunit; eIF2B regulation

β

Gcd7p

Regulatory subunit, role in eIF2 binding

γ

Gcd1p

Catalytic, non-active, role in eIF2 binding

δ

Gcd2p

Regulatory subunit; eIF2B formation

ε

Gcd6p

GDP to GTP exchange