iProXProteomicsZilong ZhangHomo Sapienshttp://www.iprox.org/page/project.html?id=IPX0017046000459154033@qq.comJingzhou Hospital Affiliated to Yangtze UniversityiProXfalseDetection of STAT3 ubiquitination modification sitesIdentify all the lysine sites of STAT3 that may be ubiquitinated,The search criteria were as follows: no enzyme was choosed as unspecific; two missed cleavage was allowed; carbamidomethylation (C) were set as the fixed modifications; the oxidation (M) and ubiquitination were set as the variable modification; precursor ion mass tolerances were set at 20 ppm for all MS acquired in an orbitrap mass analyzer; and the fragment ion mass tolerance was set at 0.02Da for all MS2 spectra. Confidence levels were set to 1% FDR (high confidence)Thu May 07 00:00:00 BST 2026PXD0781679606