4. For each description, fill-in the blank with the correct CD molecule. (14 pts

Question

4. For each description, fill-in the blank with the correct CD molecule. (14 pts) a. CD binds C3dg and is part of the BCR co-receptor b. CD is the signal transducing chain of the BCR co-receptor c. CD contains immunoreceptor tyrosine-based activation motifs d. CD_ is a phosphatase that's involved in early TCR intracellular signaling e. CD_contacts MHC Il when TCRs on T cells engage APCs f. CD ligand binding to this receptor provides Signal 2 required for T cell activation g. CDcontacts MHC I when TCRs on T cells engage APCs

Explanation / Answer

a) Cd 45 binds c3dg and is part of the bcr co receptor.

b) cd16 is the signal tranducing chain of the bcr co receptor.

c) cd25 contains immunoreceptors tyrosine based activation motif.

d) cd4 is a phosphatase that involved in early TCR intracellular signaling.

e) cd19 contactsMHC ii when tcrs on t cells engage apcs.

f) cd117 ligand binding to this receptor provides signals 2requires for t cell activation.

g) cd38 contact mhc i when tcrd on T cell engage apcs.

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