Identification of Cysteine Ubiquitylation Sites on the Sec23A Protein of the COPII Complex Required for Vesicle Formation from the ER

Fig. (4) Domain structure and sequence homology of Sec23a proteins. (A) Schematic representation of the structural domains of Sec23a (B) Protein multiple alignment obtained by HomoloGene (https://www.ncbi.nlm.nih.gov/homologene) of Sec23a proteins derived from various species. Conserved Cys 432 and Cys 449 are highlighted in red.