When the Transaminase Enzyme Is in the _____ Form, It $\alpha$

When the transaminase enzyme is in the _____ form, it will only react with _____.

A) pyridoxal; $\alpha$ -keto acid
B) pyridoxal; $\alpha$ -amino acid
C) pyridoxamine; $\alpha$ -amino acid
D) pyridoxal; $\beta$ -keto acid
E) pyridoxamine; $\beta$ -amino acid