The monoclonal antibody CHO-131 binds to a core 2 O-glycan terminated with sialyl-Lewis x, which is a functional glycan ligand for P-selectin.
Walcheck, Bruce, Anne Leppänen, Richard Cummings, Randall Knibbs, Lloyd Stoolman, Shelia Alexander, Polly Mattila, and Rodger McEver. 2002. “The Monoclonal Antibody CHO-131 Binds to a Core 2 O-Glycan Terminated With Sialyl-Lewis X, Which Is a Functional Glycan Ligand for P-Selectin.”. Blood 99 (11): 4063-9.