The bound calcium of actin.
D000199:Actins; D055592:Biophysical Phenomena; D002118:Calcium / Q000737:chemistry*; D002136:Calcium, Dietary; D009124:Muscle Proteins / Q000737:chemistry*
D000199:Actins; D002136:Calcium, Dietary; D009124:Muscle Proteins; D002118:Calcium
CALCIUM/chemistry; MUSCLE PROTEINS/chemistry