Isolation and characterization of full-length cDNA for human α-, β-, and γ-actin mRNAs: skeletal but not cytoplasmic actins have an amino-terminal cysteine that is subsequently removed - Gunning, P; Ponte, P; Okayama, H; Engel, J; Blau, H; Kedes, L (Mol Cell Biol, 1983)