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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