these methods should be especially valuable for determining myosin , actin , and elastin in tissue hydrolysates from the amounts of n tau-methylhistidine , desmosine , or isodesmosine present , respectively , and for studying protein methylation , hydroxylation , cross-linking formation , and the turnover rates of contractile and connective tissue proteins in biological systems .
C0001271
actin
C0026820
contractile