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Moreover, evidence has been gathered thatsyntaxin 1A forms physical complexes with the NET homologuesGAT1 and GLYT1 (Beckman et al., 1998; Geerlings et al., 2000).In particular, the GAT1 GABA transporters interact with syn-taxin 1A in a phorbol ester-sensitive manner, with evidence thatmultiple PKC-linked receptors can trigger GAT1 redistributionand syntaxin 1A/GAT1 complex disassembly.