Immunogen sequence: AKNPVVRSKS YNTPLLNPVQ EHEAEGAAAG GTSIRRHSVS EMTSCPEPQG FSDPPGQGPT GTFRSSPAPH SGPCPSRLYP TTQPPEQGLD PTR. MARK1 (MAP/microtubule affinity-regulating kinase 1) belongs to the MARK family of serine/threonine kinases. MARK family protein k