Immunogen sequence: TMPPPINPIL ASLQHNSILT PTRVSSSATK QKVLSPPHIK ADFNLADFEC EEDPFDNLEL KTIDEKEELR NILVGTTGPI MAQLLDNNLP RG. Originally named because of its sequence similarity to the Saccharomyces cerevisiae NHP2 (non-histone protein 2), this protein appe