. "CST Curation Set: 1835; Year: 2006; Biosample: SEM; Disease: acute lymphocytic leukemia; Specificity of Antibody Used to Purify Peptides prior to MS2: anti-PXsP(phosphorylation) Antibody Used to Purify Peptides prior to MS2: Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb Cat#: 2325, PTMScan(R) Phospho-MAPK/CDK Substrate Motif (PXS*P, S*PXK/R) Immunoaffinity Beads Cat#: 1982"^^ . "http://www.phosphosite.org/curatedInfoAction.do?record=3359448"^^ . "2006"^^ .