tokens: Tyrosine phosphorylation of SOCS-3 was observed upon coexpression with Jak1 and Jak2 but only weakly with Jak3 .
folded_tokens: tyrosine phosphorylation of socs-3 was observed upon coexpression with jak1 and jak2 but only weakly with jak3 .
labels: O O O B-protein_molecule O O O O O B-protein_molecule O B-protein_molecule O O O O B-protein_molecule O