Peptide Sequence: ALTSLVDEVK QRGLTPACPS CQRLHKKILE LERQALAKHV RAEALSSTLR LAQDEALRAK NLLLTDKMKP EEKMATLDHL HLKMCSLHDH. A novel putative serine/threonine kinase substrate gene (TSKS, for testis-specific kinase substrate) is likely the human homolog of the