Clone 5A12 has been reported to be a mouse monoclonal antibody specific to the human gene, RUNX1T1, or RUNX1 partner transcriptional co-repressor 1. Other suppliers describe clone 5A12 to be a mouse monoclonal antibody against human LDLRAP1, or low density lipoprotein receptor adaptor protein 1. Indicated applications for antibody clone 5A12 include Western blot, flow cytometry, immunofluorescence, and ELISA.