Primary antibodies: anti-SNAP-25 (SMI81, ab24737) was purchased from Abcam(Cambridge, UK), while anti-syntaxin-1A (STX-1A, 110111) and anti-VAMP-2 were purchased from Synaptic System (Göttingen, Germany). Secondary antibodies: HRP-conjugated Ab were purchased from Calbiochem® (San Diego, CA, USA), Alexa Fluorophores 488- or 555-conjugated Ab were from Thermo-Fisher Scientific (Waltham, MA, USA). Native TeNT was purified as previously described [58 (link)].
Inhibitors: myricetin [3,3′,4′,5,5′7-Hexahydroxyflavone] and Curcumin [(E,E)-1,7-bis(4-Hydroxy-3- methoxyphenyl)-1,6-heptadiene-3,5-dione] were purchased from Sigma Aldrich. PX12 [2-[(1-Methylpropyl) dithio]-1H-imidazole] and Ebselen [2-Phenyl-1,2-benzisoselenazol3(2H)-one] were purchased from Santa Cruz Biotechnology (Dallas, TX, USA). 4-Bromobenzaldehyde N-(2,6-dimethylphenyl) semicarbazone (EGA) was synthesized as in [47 (link)].