Low molecular weight, calcium binding muscle proteins. Their physiological function is possibly related to the contractile process. ... (12 Dec 1998) ... 
Calcium binding proteins (12 kD), found in teleost and amphibian muscle, with sequence homology to calmodulin but only two EF-hand calcium binding sites.
parvalbumins Low molecular weight, calcium binding muscle proteins. Their physiological function is possibly related to the contractile process.