MAB33 IgG1/Fab1 Poly lyophilizate Immunogen: h CK-MM Spleen donor: Mouse Balb/c Antibody class: IgG1 Preparation: Lyophilized from a solution containing potassium phosphate and NaCl and 6% sucrose. No further preservatives are added. ... About Roche CustomBiotech. We enable the healthcare industry to develop and produce state of the …