147336-22-9 EC 2.7.1.1 EC 2.7.10.1 EC 2.7.11.1 EC 2.7.11.24 EIF4ENIF1 protein, human ERBB2 protein, human Evaluation Study Extracellular Signal-Regulated MAP Kinases Green Fluorescent Proteins Hydrogels Journal Article MTOR protein, human Nucleocytoplasmic Transport Proteins Receptor, ErbB-2 Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. TOR Serine-Threonine Kinases cancer therapies gradient gels grayscale masks hydrogel pore expansion western blots