Mammalian Sec23p homologue is restricted to the endoplasmic reticulum transitional cytoplasm.
Orci L, Ravazzola M, Meda P, Holcomb C, Moore HP, Hicke L, Schekman R.
Proc Natl Acad Sci U S A. 1991 Oct 1;88(19):8611-5. doi: 10.1073/pnas.88.19.8611.PMID: 1924322