ubiquitin associated and SH3 domain containing B KIAA1959 STS-1 TULA2 TULA-2 SH3 domain-containing 70 kDa protein, suppressor of T-cell receptor signaling 1, nm23-phosphorylated unknown substrate T-cell ubiquitin ligand 2 STS1 p70 ubiquitin-associated and SH3 domain-containing protein B Cbl-interacting protein Sts-1 cbl-interacting protein p70 nm23-phosphorylated unknown substrate suppressor of T-cell receptor signaling 1 tyrosine-protein phosphatase STS1/TULA2 Ubiquitin-associated and SH3 domain-containing protein B Cbl-interacting protein p70 Suppressor of T-cell receptor signaling 1 Tyrosine-protein phosphatase STS1/TULA2 EC 3.1.3.48