Which One of the Following Statements About the Molecule Lck

question 1

Multiple Choice

Which one of the following statements about the molecule Lck is NOT true?

• A)It is a member of the Src family of kinases.
• B)It binds to the cytoplasmic tails of T cell coreceptors CD4 or CD8.
• C)It phosphorylates ITAM motifs on the CD3 complex.
• D)It phosphorylates tyrosine residues on Zap-70 and activates it.
• E)It phosphorylates PIP2 to PIP3 and leads to the activation of Itk.

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