Ristomycin sulfate is a glycopeptide antibiotic isolated from Nocardia lurida. Ristomycin/ristocetin is a type III glycopeptide. It is a highly glycosylated glycopeptide, previously found in Amycolatopsis lurida.
Ristomycin monosulfate has been used: to activate platelet and induce platelet aggregation
to study the aggregation responses of platelets from buffalo, horse, pig and sheep
in in-house ristocetin cofactor von Willebrand factor (VWF:RCo) assay to measure glycoprotein Ib (GpIb) binding activity