Updated project metadata. Relative protein quantification of RPL4 and RPL39L in non-ribosome, 40S, 60S and ribosome fractions by PRM;Absolute quantification of RPL39 and RPL39L levels in ribosomes of GC-1 wild type cell, and RPL39L-IRES-eGFP-overexpressed RibosomeCore-/Y GC-1 cells with or without dox-induced expression of RPL39 by PRM. Bovine serum albumin (BSA) as a negative control.