Required for vesicular transport from the ER to the Golgi complex. Functions as a SNARE associated with ER-derived vesicles (By similarity). Belongs to the BET1 family. The predicted gene At4g14450 has been split into 2 genes: At4g14450 and At4g14455. The predicted gene At4g14450 has been split into 2 genes: At4g14450 and At4g14455.