Positive test controls include: 293T, Mouse kidney, Rat kidney. The target is usually found in the following locations: Secreted. Immunogen sequence: QEGALPRPSI SAEPGTVISP GSHVTFMCRG PVGVQTFRLE REDRAKYKDS YNVFRLGPSE SEARFHIDSV SEGNAGLYRC LYYKPPGWSE HSDFL