the protein has an apparent mol . wt of 79,600 +/- 450 daltons , three isoforms ( pis 6.0 , 6.1 and 6.2 ) and two ca2+ binding sites ( kd 5.85 x 10 ( -7 ) m , bmax 0.81 mol ca2+/mol protein and kd 2.85 x 10 ( -6 ) m , bmax 1.87 mol ca2+/mol protein ) .
C0597298
isoforms
C0033684
protein