PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2830255-1 1987 We have shown that the phosphorylation of smooth muscle regulatory myosin light chain (L20) with myosin light chain kinase (MLCK) produces faster moving bands (GMP1: heterodimer myosin with 1 unphosphorylated L20 and 1 mono-phosphorylated L20, GMP2: homodimer myosin with 2 mono-phosphorylated L20S) on native pyrophosphate polyacrylamide gel electrophoresis (PP1 PAGE) (J. Biochem. diphosphoric acid 310-323 small ubiquitin like modifier 1 Homo sapiens 160-164