____ of Tyr⁵²⁷ in the SH2 Domain of Protein Tyrosine

Multiple Choice

____ of Tyr⁵²⁷ in the SH2 domain of protein tyrosine kinase pp60^c−src ____ tyrosine kinase activity by moving an "activation loop" ____ the active site.

A) Phosphorylation; activates; away from
B) Phosphorylation; inhibits; into
C) Dephosphorylation; inhibits; away from
D) Dephosphorylation; activates; into
E) none are true