Positive test controls include: HeLa, 293T, Jurkat, Rat testis. Immunogen sequence: PQHEELPGLD SQWRQIENGE SGRERPLRAG ESWFLVEKHW YKQWEAYVQG GDQDSSTFPG CINNATLFQD EINWRLKEGL VEGEDYVLLP AAAWHYLVSW YGLEHGQPPI ERKVIELPNI Q. USP11 (ubiquitin specific peptidase