Experiment was performed on 293 cells, details are presented in publication: Adenoviral E4 gene stimulates secretion of PEDF that maintains long-term survival of human glomerulus-derived endothelial cells Marina Jerebtsova‡§*, Namita Kumari‖, Yuri Obuhkov‖, and Sergei Nekhai‖†* (to be published in Molecular and Cellular Proteomics), please see more details in paper Workflow HPLC on PicoFrit C18 column, gradient 60 min from 2% to 30% ACN Nanospray 2 kV, flow rate 300 nL/min LTQ Orbitrap MS. Data dependent scan FT MS + 3 FT MS/MS. A blank water run was performed after each sample run Each 24 hours setup performance was tested on Apomyoglobin sample, 12 fmol. Coverage was 39-79 % Search is made by SEQUEST on human database