obsolete negative regulation of coreceptor activity involved in epidermal growth factor receptor signaling pathway (obsolete GO:0060728)
negative regulation of Neu/ErbB-2 receptor activity
narrow
negative regulation of coreceptor activity involved in epidermal growth factor receptor signalling pathway
exact
OBSOLETE. Any process that decreases the rate or frequency of coreceptor activity involved in epidermal growth factor receptor signaling pathway.