Phosphorylation of Ser-42 and Ser-59 in the N-terminal region of the tyrosine kinase p56lck.
Proc Natl Acad Sci U S A. 1993 Jun 1;90(11):5176-80. doi: 10.1073/pnas.90.11.5176.
Proc Natl Acad Sci U S A. 1993.
PMID: 8506364
Free PMC article.