transcription kit was from Applied Biosystems (Foster City, CA). Restriction
enzymes and competent cells were purchased from New England Biolabs (Ipswich,
MA). PHUSION PCR reaction mix was from Thermo Fisher (Waltham, MA). Fetal bovine
serum and isopropyl β-D-1-thiogalactopyranoside were obtained from
Sigma-Aldrich (St. Louis, MO). HisPur cobalt resin was from Thermo Fisher
(Waltham, MA). Phenyl Sepharose CL-4B resin was from GE Healthcare Life Sciences
(Milwaukee, MI). DMEM culture medium was from Caisson Laboratories (Smithfield,
UT). Polyethylenimine and penicillin/streptomycin were from ThermoFisher
(Carlsbad, CA). Fura-2/AM was purchased from Teflabs (Austin, TX). Ionomycin and
XRhod-5F were obtained from ThermoFisher Scientific (Carlsbad, CA). Rabbit
monoclonal anti-HA antibody (C29F4) and anti-phospho-p44/42 MAPK mouse
monoclonal antibody (L34F12) were from Cell Signaling Technology (Danvers, MA).
Anti-ERK1/2 antibody was from Santa Cruz Biotechnology (SC514302, Santa Cruz,
CA). Protease inhibitor cocktail was from EMD Millipore (Burlington, MA).
Phenylmethane sulfonyl fluoride was from Sigma-Aldrich (St. Louis, MO). Amido
Black B was from Bio-Rad (Hercules, CA). A61603 and norepinephrine were from
Cayman Chemical (Ann Arbor, MI).