high molecular weight B cell growth factor receptor activity
immune receptor activity +
leucokinin receptor activity
neurotransmitter receptor activity +
neurotrophin receptor activity +
nuclear receptor activity +
pattern recognition receptor activity +
peptide receptor activity +
phorbol ester receptor activity +
photoreceptor activity +
protein-hormone receptor activity +
thrombospondin receptor activity
transmembrane signaling receptor activity +
Combining with an extracellular or intracellular signal and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity or state as part of signal transduction.