epidermal growth factor egf signaling protein molecule. cartoon representation combined with semi-transparent surfaces.

acid afatinib amino atoms brigatinib cancer cartoon cell cetuximab colon combined disease egf egfr epidermal erlotinib factor gefitinib growth health icotinib inhibitor lapatinib lung model molecular molecule osimertinib panitumumab pdb2kv4 peptide polymer polypeptide protein receptor representation residue science scientific semitransparent signaling structure surfaces targeted tumor