ATP5MK and cancer: Then, detailed changes in fucosylated glycan structures in AGP that occurred in association with the presence of a malignant tumor were determined, for the first time, and the relative amount of α1,3fucosylated tri- and tetra-antennary glycans in all the glycans of AGP (FUCAGP) was found to be a promising marker to predict clinical outcomes along with patients’ responses to medication with various chemotherapies [23].