The two forms of monophosphohistidine are both known to occur in cellular proteins ( Walinder, 1969b ; Chen et al., 1977 ; Fujitaki et al., 1981 ), however the diphospho form has only been reported in chemically phosphorylated proteins.

Is file-sharing, which has the recording industry so up in arms, the “dark side” of open-source attitudes?

Secrecy hath no less use than divulgation.

Coordinate term: grand apartheid