Labeling Muscle Actin with 5-Iodoacetamidofluorescein Labeling Muscle Actin with Carboxyfluorescein Succinimidyle Ester Labeling Muscle Actin with Tetramethylrhodamine Iodoacetamide Labeling Muscle Actin with N-(1-pyrene) Iodoacetamide Labeling Gizzard Myosin with Tetramethyorhodamine Iodoacetamide (MHC and 17kD MLC) Labeling Gizzard Myosin with Tetramethylrhodamine Iodoacetamide (primarily 17kD MLC) Labeling Gizzard Alpha-actinin with Tetramethylrhodamine Iodoacetamide Labeling Gizzard Vinculin with Tetramethylrhodamine Iodoacetamide Labeling Tubulin with Tetramethylrhodamine Succinimidyl Ester Labeling Gc-Globulin with Carboxyfluorescein Succinimidyl Ester