Fig. 1From: Claudin18.2 is a novel molecular biomarker for tumor-targeted immunotherapyThe depiction of Claudin protein structures. Four transmembrane domains (TMDs) with two extracellular loops (ECL), ECL-1 and ECL-2. The ECL-1 contains the highest conserved sequence and the C-CPE C-terminal binds to the ECL-2. Phosphorylation sites locate at the C-terminal of the cytoplasmic siteBack to article page